247+ iOS apps curated and reviewed
Whether you're new to market research sample size calculator or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (6) | — | No | Aug 2026 | |
| 2 |  | $0.99 | 3.5★ (2) | No | No | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | $1.99 | 5.0★ (1) | No | No | Jun 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | Aug 2026 | |
| 6 |  | Free | 4.7★ (4.7K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 5.0★ (1) | No | No | Sep 2026 | |
| 8 |  | Free | 3.0★ (1) | No | No | Aug 2026 |
This tool helps marketers and researchers calculate sample size requirements and confidence intervals. It offers customizable startup screens and explanations of research terms.
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.
