250+ iOS apps curated and reviewed
Looking for free knowdrugs drug checking apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (38) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.8★ (16K) | Yes | No | Sep 2026 |
| 3 |  | Free | 4.4★ (7.1K) | Yes | Yes | Sep 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.0★ (1) | Yes | No | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 4.4★ (25) | No | No | Aug 2026 |
Access drug testing results, pill warnings, and drug alerts. Provides information on over 200 substances, harm reduction advice, and strategies for safer use. Helps users make informed decisions to minimize potential risks.
Access comprehensive information on over 24,000 medications, including prescription drugs, OTCs, and natural products. Manage your medications, check for interactions, identify pills, and find the lowest prices. Stay informed with FDA alerts and detailed side effect information.
This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.
Identify unknown pills by imprint, color, and shape. Access a comprehensive database for drug information, including uses, side effects, and interactions. Features a health calculator and user-friendly interface for informed medication management.
This app transforms your smartphone into a presumptive drug detection tool using specialized test pouches. It offers automated results in seconds for a wide range of substances, with features for report creation and sharing.
This app serves as a resource for parents and concerned individuals regarding drug testing. It offers a parent guide, a drug dictionary, motivational quotes, and the ability to order testing tools.
