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 | Oct 2026 | |
| 2 |  | Free | — | No | No | Aug 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 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.
Quickly check for potential drug-drug interactions before appointments or medication changes. Search by brand or generic names and get clear summaries with severity signals and practical notes. Designed for informational use, it keeps your medication list private and offline-ready.
