This tool helps marketers and researchers calculate sample size requirements and confidence intervals. It offers customizable startup screens and explanations of research terms.
Market Research Sample Size Calculator by Actionable Research, Inc.




233+ iOS apps curated and reviewed
Finding the right marketing research apps can be overwhelming with so many options. We've analyzed 233+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (6) | No | No | Oct 2026 | ||
| 2 | Free | 3.0★ (2) | No | No | May 2026 | ||
| 3 | Free | — | No | No | Oct 2026 | ||
| 4 | Free | 1.9★ (9) | No | No | Oct 2026 | ||
| 5 | Free | 4.6★ (28) | No | No | Oct 2026 | ||
| 6 | Free | 5.0★ (2) | Yes | Yes | Oct 2026 | ||
| 7 | Free | — | No | No | Oct 2026 | ||
| 8 | Free | — | No | Yes | 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.



Participate in market research studies on various topics and categories. This app connects consumers with opportunities to share their opinions and engage in research.



