249+ iOS apps curated and reviewed
Looking for free sample size calculator app? 18 of our 249+ 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 | — | No | No | Oct 2026 | |
| 2 |  | $0.99 | 3.5★ (2) | No | No | Sep 2026 | |
| 3 |  | $1.99 | 5.0★ (1) | No | No | Jun 2026 | |
| 4 |  | Free | 4.3★ (6) | No | No | Oct 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | 5.0★ (1) | No | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | Yes | Yes | Jul 2026 |
This app calculates sample sizes for statistical studies. It dynamically adjusts the sample size based on user inputs for margin of error, confidence level, population size, and proportion.
This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.
