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Published October 16, 2026 · The RxVue Editorial Team · fact-checked against the sources below

A search for a free pill identifier app returns a page of store listings and large drug-information websites, each offering to name a tablet at no cost. What the results never mention is that the United States government used to run exactly that service, free and without advertising, and switched it off in 2021. Knowing what replaced it, and what each “free” option actually asks of you, makes the choice much simpler.

There is no longer a free government pill identifier. The National Library of Medicine retired Pillbox on 29 January 2021. The free options that remain are search forms on drug-information websites, photo identification apps that are free to download, and your pharmacist, who will look at a tablet at no charge. Each suits a different moment.

What happened to the free government tool

For years, the National Library of Medicine ran Pillbox, a public website and dataset built for exactly this job: you entered the imprint, color and shape of a tablet and it returned matching products with images. It was free to use and drew on the same labeling manufacturers submit to the FDA.

NLM announced in its Technical Bulletin that Pillbox would be retired on 29 January 2021, and that the retirement covered the drug identification and search websites, the dataset, the image library and the programming interfaces that other tools had been built on. The same notice pointed users to MedlinePlus for consumer drug information and to DailyMed for FDA labeling, and was explicit that those resources do not provide pill identification. The final Pillbox data was left online as static files for research and education, with a warning that it will not be updated and should not be used to identify pills.

That last instruction is the important one. A tablet’s imprint belongs to a specific product from a specific labeler, and that mapping changes as manufacturers change products and new generics arrive. A frozen dataset quietly drifts out of date, which is why NLM told people to stop using it for identification. Any free tool you use today should be drawing on current labeling, not on an archive.

Free pill identifier app options that remain

Three routes are still free at the point of use, and they answer slightly different questions.

Search forms on drug-information websites. Several large health websites offer a pill identifier where you type the imprint and choose a color and shape from menus. They cost nothing to use and are usually paid for by advertising. They work well when you can read the imprint clearly, because the imprint does almost all of the work: federal rules in 21 CFR Part 206 require most solid oral medicines to carry a code imprint that, together with size, shape and color, identifies the product and its maker. They work poorly when the imprint is worn, partly hidden, or hard to read, because the form can only search for the characters you typed.

Photo identification apps that are free to download. A camera-based identifier reads the tablet from a photograph, including the imprint, which helps most when you are unsure what the characters are, when a letter could be a number, or when the light makes the code hard to see with the naked eye. Many are free to download; what the free version includes varies from app to app, so check the listing before you rely on one. What separates a good one from a poor one, whatever it costs, is covered in what to look for in a pill identifier by picture app.

Your pharmacist. This is the free option people forget. A community pharmacist will look at a loose tablet and tell you whether it matches something they dispensed, usually in a couple of minutes and at no charge, and they can check the product against the dispensing record. It is the slowest route if you have to travel, and the most authoritative once you are there.

What “free” usually costs instead

Money is not the only thing a free tool can ask for. Before installing any free pill identifier app, two minutes on its App Store page tells you most of what you need.

  • The privacy information section. Apple requires each app’s product page to show the kinds of data the app may collect, whether that data is linked to your identity, and whether it is used to track you across other companies’ apps and websites for advertising. Apple’s support page explains each category. A tool you will use to photograph medicines is worth choosing on this basis as much as on its star rating.
  • Different practices for free and paid versions. Apple notes that when an app collects data differently in its free and paid versions, the privacy section should report both. Read it as the full picture rather than assuming the free tier collects less.
  • Advertising on medicine searches. An ad-supported website is not a bad tool for that reason alone, but it is worth noticing what the page is trying to sell you next to the result.

None of this is a reason to avoid free tools. It is a reason to choose one deliberately, once, rather than downloading whichever listing appears first at a worried moment.

A two-minute test for any free identifier

The fastest way to judge a tool is to give it a question you already know the answer to.

  1. Pick a tablet you can name for certain. Something from a labeled pharmacy bottle in your own cabinet is ideal.
  2. Photograph or search it the way you would a mystery tablet. Use ordinary light first, then try again from a different angle. The photography technique is set out in how to photograph a pill so the imprint is readable.
  3. Check what the tool shows you. A good result tells you what imprint it read, names the product and the company that labeled it, and lets you compare that with your bottle. A result that gives a drug name without showing what it read gives you nothing to check.
  4. Try it on something hard. Turn the tablet so the imprint is face down, or use a tablet with a worn code. The honest response is a partial match or no match, not a confident answer.

A tool that passes those four steps on a tablet you know is one you can use as a first read on a tablet you do not.

Where free tools cannot help

Two situations sit outside every identifier, free or paid.

The first is an unmarked tablet. Dietary supplements, compounded medicines, many products bought outside the United States and some veterinary products do not carry imprints under the federal rule, so no database or app can name them by appearance alone. The categories are set out in what an unmarked tablet usually is.

The second is anything urgent. If a child or adult may have swallowed a tablet that is not theirs, contact Poison Help at 1-800-222-1222 in the United States, or emergency services, before trying to identify it; the specialists who answer can work from a description, and the call is free. If a pet may have swallowed one, call your veterinarian, an emergency animal hospital or an animal poison control center first.

For everything else, a free tool gives you a candidate, and the pharmacist confirms it. That pairing is the whole method, and it costs nothing.

Where RxVue fits

RxVue is free to download on the App Store for iPhone. It reads a tablet from a photo, starting with the imprint and using shape and color to narrow the match, and when you cannot get a clear photo you can search by imprint, shape or color instead. The approach behind the camera read is explained in how to identify a pill from a picture. Run the two-minute test above on it the same way you would on any other tool: photograph a tablet you know and see whether it tells you what you can already see for yourself.

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