The field guide to police apps in 2026

Search “best police app” or “cop apps” and the top results are written by a shift-scheduling company, a body-camera transcription startup, and a college’s marketing blog. They are fine lists. They recommend a translation app and a sleep app. The lists of apps for police officers are not written from the seat, and they cannot tell you the thing you actually want to know before you spend nine dollars or ninety: which of these will still be right when a defense attorney reads it back to you.

This guide is our attempt at that. We build one of the apps in this category ourselves, so weigh what we say about our own tool accordingly. Each section below describes what that part of the category actually looks like today, by kind rather than by brand, because a fair look at a crowded field does not require naming every seller in it, and then says where Officer One fits. The five questions work on any app you are looking at, including ours.

This reflects the category as of September 2026, and it will drift, categories do. If something here goes stale, tell us and we will fix it.

The five questions

Ask these of any law enforcement app before you put it on the phone you carry on shift.

Where does the law come from, and can you open it?

The direct answer: a statute or case in an app should link to the government publication it was read from, and the link should open. A summary written by a vendor is that vendor’s opinion of the law. The text on the legislature’s site is the law. Any app can say “verified.” The one that lets you tap through to the state’s own page has nothing to hide.

Does it work with zero bars?

The direct answer: the content you rely on should be on the phone, not on a server. A reference that needs signal is a reference for the station parking lot. The places a stop gets complicated are the places the phone gives up: county roads, sally ports, basements, metal roofs. Read the listing for the word offline, then read what exactly is offline. Some apps cache what you opened. Some carry the whole book.

Who is the affiant?

The direct answer: you are, always, and the app has to be built like it knows that. Anything that drafts a sworn document, a warrant affidavit or a report, should show you every proposed sentence before it lands, keep a record of what you accepted and rejected, and keep the original draft. A tool that quietly fills a form is putting words under your signature. Ask how the app handles that. If the listing does not say, assume the worst.

What happens to your work when you stop paying?

The direct answer: your warrants, your reports, and your notes are your records, and you should be able to read and export them after the subscription ends. Most listings say nothing about this. Silence usually means the answer is that it goes dark.

Who can read your drafts?

The direct answer: your agency should be able to pay for seats without reading a word you wrote, and the vendor should not train models on your work or sell it. This is not paranoia. California wrote it into law for AI-assisted reports in 2026, and every officer has watched a draft become a discovery exhibit.

Now, the categories.

Statute references: the law on the phone

This is the crowded category and the one with the most honest products in it, because a statute app either has the text or it does not.

The big multi-state readers

A few apps in this category each carry a large slice of the country: one carries dozens of states’ worth of criminal and traffic titles as full statute text, offline, sold by the title or by the state, aimed at officers, attorneys, and court staff alike. Another sells the law as modules, one app per code, built more around a lawyer’s reading tools, bookmarks, highlights, notes, than a patrol officer’s workflow. Where these are strong: breadth, and the fact that it is text, not summary. Where they stop: they are books. They do not know what you are trying to do with the section.

The one-state penal code apps

Search any state’s name plus penal code and you will find a cluster of single-state apps: one person’s project, most of them. Most are offline, most are cheap or free. Some are updated every session; some froze years ago. The tell is the last-updated date on the listing and whether the app says which edition of the code it carries. A penal code that does not say what year it is from is a guess.

The publisher’s app

At least one major law enforcement legal publisher, the kind behind hundreds of printed criminal and traffic law titles in briefing rooms, has moved into an app: a reader for the publications you already buy from them, with search, fines-and-penalties tables, and a plain-English search tab across whatever you subscribe to. The app itself is free; the books are not. Where it is strong: publishing pedigree, the charging manuals and field guides are edited by people who do this for a living. Where it stops: it is a bookstore first and an app second, and the toolkit around the books is thin.

Patrol law with decision tools

At least one app in the store takes the patrol-first approach on purpose: searchable statutes and case law in plain English, described in its own words as answering what the court held, why it matters, and the field takeaway, with interactive decision trees across roughly fifty jurisdictions, downloaded as content packs so it works offline by design. It is priced at a lunch a year for the basic tier, more for the full kit, and it says outright that none of its legal content is AI-generated, calling it a reference summary drawn from official public sources. Where it is strong: the decision trees are a real idea, it is offline, and by its own account it was built by a working officer. Where it stops: it is a reference and a walkthrough. It does not draft anything, which is a choice it makes on purpose, and its case law is summary, which is exactly right for reading at a stop and exactly what you cannot cite in a motion.

Another has been around longer than most of the phones it runs on, built by a working officer who writes software, and keeps turning up on every list that has existed since a trade-magazine review over a decade ago. It runs to a couple thousand pages: accident-investigation formulas, traffic-stop case law, tint laws by state, commercial-vehicle rules, training modules, and a pill identifier with the DEA schedule. It is a reference binder, not a workflow, and never pretended to be anything else. Where it is strong: breadth of the odd stuff nobody else bothers with. Where it stops: it is a binder. You find the page; the page does not find you.

Warrants

Until recently there was no such thing as a search warrant app for an individual officer. The affidavit lived in a Word template on the department share drive, and the judge’s form lived in a drawer. At least one product now takes this on directly: a drafting tool for sworn officers, live in a handful of states, across dozens of warrant families, person, place, thing, and vehicle searches, DUI blood draws, GPS trackers, phone pings, tower dumps, arrest warrants. A one-tap mode produces a complete warrant template; a guided mode walks the form field by field; it carries a directory of the phone carriers, platforms, and banks a records warrant goes to. It is priced by the week, the month, or the year, and its listing does not say whether AI writes the text, though it does say the sworn officer is solely responsible for verifying every document before signing. Where it is strong: the provider directory is genuinely useful for records warrants. Where it stops: a handful of states, and silence on how the draft is produced and what record is kept of that.

Officer One

This is ours, so the shortest honest version. You talk through the stop like you would on the radio. Every blank on your state’s form fills as you speak, and a row of chips shows which blanks the form still needs. Everything the model pulls from your words is a proposal; nothing enters the warrant until you confirm it, and the record keeps what you applied and what you rejected. The paper comes out on the state template, or on your own court’s PDF, uploaded once. Property, vehicle, phone, and DUI blood-draw warrants, with a footer that says the draft was AI-assisted and that you reviewed and attest to it. We wrote up the whole thing, including what it refuses to do, in A search warrant by voice, and why you still swear to every line.

Reports and narratives

This is the category with the most money in it and the most to be careful about.

At least one vendor in this space turns a voice recording, bodycam audio, or an interview into a report draft, with transcription, narrative generation, a quality score, statute detection, and an editor with suggested language. It says it runs on cloud infrastructure built for criminal-justice data, with encryption, audit trails, and compliance with the newest state AI-disclosure laws. Its pitch leans on the clock: time handed back every shift.

About that pitch. The only randomized trial anyone has run on AI report writing, published in 2024 in the Journal of Experimental Criminology, found no significant time savings. That does not make the tools worthless. It means the honest case for them is not the stopwatch. It is structure, completeness, and a draft that has the elements in it, and any vendor selling hours is selling something the evidence does not support. We do not sell time, and this is why.

The department-bought tier

Several vendors sell narrative tools directly to agencies, priced per officer per month at rates an individual would never pay, fed by body-camera audio. They are outside this guide because you do not choose them; your chief does. One thing worth knowing if yours is choosing: prosecutors in King County, Washington, told their police chiefs in 2024 they would not accept reports from one of these systems, Connecticut paused statewide use in 2026, and an advocacy group’s 2025 investigation raised concerns that at least one widely deployed system was not designed to keep the original draft. Whatever tool your agency buys, ask whether the first draft survives. In California, since January 2026, it has to.

Officer One

Ours: you speak the facts, you get a first-person draft that keeps the beats your case type needs, and your original is always preserved, with the AI draft kept beside your edits. Every export carries the disclosure footer, and California officers get the exact sentence SB 524 requires. It is one door of the kit, not a separate product.

What the law says about AI-drafted police documents

This is moving fast and it decides what you can file, so here is the state of it on the day of reading.

• California, SB 524, in force since January 1, 2026: an AI-assisted law enforcement report must say on every page that it was written in whole or in part with artificial intelligence, name the program, carry the officer’s signature attesting review and accuracy, keep the original AI draft for the report’s whole retention period, keep an audit trail, and the vendor may not sell or share agency data or train on it. The strictest rule anywhere, and the one a vendor should be built to.
• Utah, SB 180, in force since May 2025: agencies need a written generative-AI policy, AI content in a report carries a clear disclaimer, and the officer certifies review.
• Places that currently refuse AI-drafted reports outright: King County, Washington, where the prosecuting attorney told chiefs in September 2024 the office would not accept them; Connecticut, where the Chief State’s Attorney paused statewide use in April 2026; San Diego PD, by policy, since December 2025. Minnesota has a bill that would prohibit them. If you work in one of these places, a narrative from any tool should not be filed, whatever the listing says.
• Everywhere else the rule is the one that was always there: you are the affiant, Franks v. Delaware applies to what you sign, and a draft you did not read is a draft you cannot defend.

Any app in the report or warrant category should be able to answer, from its listing, which of these it was built to satisfy. Ours keeps the original draft everywhere, stamps every output with the prompt revision that produced it, prints the California sentence for California officers, and carries the AI report rules by state under Law.

Miranda

The Miranda rights apps

A couple of Miranda rights apps carry most of the store. Between them they read the warning in ten or more languages, highlight the words as they read, generate a PDF report with timestamps and an acknowledgment, and work offline. They are free, and by their own privacy labels collect no data. Both are the laminated card, done well, in more languages than the card. Neither tells you when the warning is required, which is the question that actually gets statements suppressed.

Officer One

Ours reads the warning in English and in a Spanish wording chosen to survive court: “sin costo alguno” for the appointed lawyer, never “libre,” because “libre” got statements suppressed in a Ninth Circuit case in 2013. It carries the juvenile variant. And before the warning it answers the question the cards skip: when it applies. Custody plus interrogation. A roadside stop is usually not custody, per Berkemer. SFSTs are not interrogation. Booking questions usually are not. Each beat is cited to the opinion.

DUI and SFST

The SFST apps

A couple of apps in this category are notepads for the roadside: subject information, the clues you observed, a PDF with a timestamp, an English-and-Spanish script for talking to the driver in at least one of them, and an email button. They are useful for exactly what they are. An app that helps you record an SFST is not the same as one that walks you through administering it, and the difference shows up on cross.

Officer One

Ours is the NHTSA three-phase investigation as a walk: vehicle in motion, personal contact, and each standardized test with its clues and its decision point, HGN’s six, walk-and-turn’s eight, one-leg-stand’s four, in the order the manual teaches, each step cited to the NHTSA curriculum. Then the implied-consent script in your state’s own words, with the real cost of refusal, and the blood-draw warrant one door over, on your court’s packet.

FTO sheets

The FTO app landscape

There is no consumer FTO app to speak of. Field training documentation mostly lives inside larger agency records and policy systems, or in general-purpose mobile-forms products, where a Daily Observation Report is a form template an agency subscribes to. The trainee’s file is the department’s file, and the software is bought by the department.

Officer One

Ours is the Daily Observation Report on the San Jose scale, on the phone: the one-to-seven ratings, N.O. and N.R.T., most and least acceptable performance, the trainee’s acknowledgment and the FTO’s signature, as a signable PDF, no printer. It exists because the officers we build with were printing the same sheet every day and keeping notes on the rookie in their phones anyway.

Pills and first aid

Pill identifier

Most officers end up on a general drug-reference website, on a phone browser, with one bar. Ours is built from the same government source those sites draw on, the FDA’s DailyMed labels, carried onto the phone so it works in the evidence room with no signal, and pointed at the two questions you actually have: is this scheduled, and is this imprint being counterfeited. The DEA schedule is the first thing on the card. A match is presumptive, and the card says so, because counterfeits wear real imprints, which is the entire reason the counterfeit table exists.

First aid

A well-known nonprofit’s first-aid app is good and free and every list recommends it. Ours is the bridge until EMS arrives, written for the officer who is first on scene: bleeding, chest wounds, choking, CPR for adults and infants, anaphylaxis, heat stroke, fentanyl exposure. Every card prints the guideline edition it follows and the date we last read that guideline, so if our answer is getting old you can see it without asking us.

Not this category, but you will be told to install them

A few kinds of apps come up on every list and are not reference tools. A policy-manual app, for agencies that subscribe to that platform; if yours does, that is where your daily training bulletins live. A CAD companion, for agencies on that dispatch system. An app that lets you call the public from a number that is not your own. Shift-scheduling apps that put the bid on your phone. General law-enforcement news apps. All useful. None of them is the thing you open at the window.

How to test any of them in ten minutes

A listing tells you what a vendor wants you to know. Ten minutes in a parking lot tells you the rest.

1. Airplane mode. Turn it on, then open the section you looked up yesterday and a section you have never opened. If the second one loads, the book is on the phone. If it spins, it is a website.
2. Tap the citation. Turn the signal back on and tap the cite under a statute or a case. It should land on the legislature’s page or the court’s opinion, not on the vendor’s summary of it. No tap, no trust.
3. Say something false. In any app that drafts, dictate a fact you did not observe and watch what happens. It should land as a proposal you have to accept, on the record, or not land at all. If it flows straight into the document, the app is writing under your name.
4. Find the original. After you edit a draft, look for the first version. If the app cannot show it, it will not be able to show it to a court either.
5. Read the last-updated date on the listing, and the edition date inside the app if it has one. A code with no date is a code from whenever.
6. Read the cancellation line. Search the listing and the terms for what happens to your documents when you stop paying. If it is not written down, plan on losing them.
7. Ask a person. Send the support address a real question. How fast and how human the answer is tells you what the next two years look like.

We built Officer One to pass all seven, and if it ever does not, the support tab reaches a person who ships.

What Officer One covers

• Statutes, full official text: forty-six states and the District of Columbia, each cited to its own legislature.
• Works offline: your state’s whole book on the phone.
• Case law: the Supreme Court cases the field runs on, cited to the reporter.
• Walkthroughs: Miranda, consent, stop, DUI and SFST, traffic, K9, implied consent, blood draw.
• Search warrants by voice, on the state form or your court’s PDF.
• Narratives and reports, with the original draft always kept.
• What’s-the-charge, with elements met and missing, cited.
• Miranda in English and Spanish, plus the juvenile variant and when it applies.
• FTO sheets, on the San Jose scale.
• Pill identifier, DEA schedule first, counterfeit alerts.
• First aid, with edition dates.
• AI in the product: proposals only. You confirm each one.
• Individual price: $7.99 a month or $79 a year.
• Your work after you stop paying: readable and exportable, always.

How to choose

Run the five questions on whatever app you are looking at, including ours. The money is small in this category, a lunch to a tank of gas a year, and the price should not be the deciding factor. What decides it is what the app will look like read back to you by someone paid to make you look wrong. Official text you can open. Offline where you work. You as the affiant, with a record. Your work kept. Your drafts yours.

Officer One is $7.99 a month or $79 a year, cancel any time, at officerone.app/get. If it is missing the thing your shift needs, the support tab reaches a person who ships.