# Sample Size Calculator vs STATS™ Mobile

The clearest difference is update cadence: Sample Size Calculator at every 6 days against STATS™ Mobile's every 6 weeks. Sample Size Calculator also leads on iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sample Size Calculator ships an update every 6 days, STATS™ Mobile every 6 weeks. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Sample Size Calculator | STATS™ Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stats-mobile/id1513218922/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | — | Free |
| Size | 24 MB | 30 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Relief Applications](https://appshunter.io/developer/1110805584) | [Decision Analyst](https://appshunter.io/developer/1250212248) |

## What reviewers say

### Sample Size Calculator

[App page](https://appshunter.io/ios/app/sample-size-calculator-light/id1436831899)

**Features:** macOS Compatibility

**In-app purchases:** none


### STATS™ Mobile

[App page](https://appshunter.io/ios/app/stats-mobile/id1513218922)

This application offers essential statistical calculators for marketing researchers and students. It provides tools for summary statistics, sample size determination, standard error calculations, and significance testing, with clear explanations of formulas.

**Highlights:** Summary statistics for CSV files, Sample size determination, Standard error of proportion, Significance testing, Formula explanations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sample Size Calculator free?

Sample Size Calculator is free to download, with no in-app purchases.

### Is STATS™ Mobile free?

STATS™ Mobile is free to download, with no in-app purchases.

### Do Sample Size Calculator or STATS™ Mobile have ads?

Neither Sample Size Calculator nor STATS™ Mobile shows ads.

### Which is updated more often, Sample Size Calculator or STATS™ Mobile?

Sample Size Calculator ships an update every 6 days, and STATS™ Mobile every 6 weeks. Most recently, Sample Size Calculator was updated on October 6, 2026 and STATS™ Mobile on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*