20+ iOS apps curated and reviewed
The best ssrchot apps on iPhone average 4.1★ across 20+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | — | No | Yes | Jun 2026 | |
| 3 |  | Free | 3.7★ (11) | No | Yes | Aug 2026 | |
| 4 |  | Free | 4.7★ (3) | Yes | No | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 3.3★ (3) | Yes | Yes | Jul 2026 |
Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.
