# InAppStory vs A/B Testing Calculator

The clearest difference is update cadence: A/B Testing Calculator at every 3 weeks against InAppStory's every 2 months. InAppStory's advantage is iOS requirement (15.0 vs 17.0). 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.

InAppStory ships an update every 2 months, A/B Testing Calculator every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | InAppStory | A/B Testing Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ab-testing-calculator/id6748603891/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 32 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INAPPSTORY EUROPE UNIPESSOAL LDA](https://appshunter.io/developer/1686112820) | [Mindbox, LLC](https://appshunter.io/developer/1830224290) |

## What reviewers say

### InAppStory

[App page](https://appshunter.io/ios/app/inappstory/id1550932313)

**In-app purchases:** none


### A/B Testing Calculator

[App page](https://appshunter.io/ios/app/ab-testing-calculator/id6748603891)

This app assists in planning and evaluating A/B tests by calculating required sample sizes for reliable results and determining test winners with statistical significance. It offers clear explanations and supports comparing up to five variants.

**Highlights:** Sample size calculation, Results evaluation, Compare up to 5 variants, Confidence intervals, Statistical significance testing, Clear explanations

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

**In-app purchases:** none


## Frequently asked questions

### Is InAppStory free?

InAppStory is free to download, with no in-app purchases.

### Is A/B Testing Calculator free?

A/B Testing Calculator is free to download, with no in-app purchases.

### Do InAppStory or A/B Testing Calculator have ads?

Neither InAppStory nor A/B Testing Calculator shows ads.

### Which is updated more often, InAppStory or A/B Testing Calculator?

InAppStory ships an update every 2 months, and A/B Testing Calculator every 3 weeks. Most recently, InAppStory was updated on October 27, 2026 and A/B Testing Calculator on October 28, 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.*