This medical app calculates the probability of a disease after a diagnostic test. It uses pre-test probability, test sensitivity, and specificity to determine post-test probabilities for both positive and negative results.
Bayes by Martin Vergara



87+ iOS apps curated and reviewed
If you already know Bayes, this is the deeper bench. 87+ bayes apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Aug 2026 | ||
| 2 | Free | — | No | No | Jul 2026 | ||
| 3 | Free | 3.7★ (3) | No | No | May 2026 | ||
| 4 | Free | 5.0★ (3) | No | No | May 2026 | ||
| 5 | Free | 5.0★ (3) | No | No | Jul 2026 | ||
| 6 | Free | — | No | Yes | May 2026 | ||
| 7 | Free | 1.0★ (1) | No | No | May 2026 | ||
| 8 | Free | — | No | No | May 2026 |










This medical app calculates the probability of a disease after a diagnostic test. It uses pre-test probability, test sensitivity, and specificity to determine post-test probabilities for both positive and negative results.