250+ iOS apps curated and reviewed
Transparency Harm Reduction is the household name in transparency harm reduction, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (6) | No | No | Sep 2026 | |
| 2 |  | Free | 4.7★ (38) | No | Yes | Sep 2026 | |
| 3 |  | $2.99 | — | No | No | Sep 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 4.9★ (2.2K) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.8★ (79K) | No | No | Oct 2026 | |
| 8 |  | Free | 4.4★ (25) | No | No | Oct 2026 |
This AI-powered app offers immediate guidance for substance testing, featuring a database of reaction videos and advice on kit usage. It aims to make substance testing accessible and easy with expert-backed information.
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.
