# Tumbling Difficulty Calculator vs Stoi Replay

The clearest difference is update cadence: Stoi Replay at every 4 days against Tumbling Difficulty Calculator's every 2 weeks. Tumbling Difficulty Calculator's advantage is iOS requirement (13.0 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.

Tumbling Difficulty Calculator ships an update every 2 weeks, Stoi Replay every 4 days. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Tumbling Difficulty Calculator | Stoi Replay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 14 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yohai Wiener](https://appshunter.io/developer/1695546960) | [Owen Magraken](https://appshunter.io/developer/6783068404) |

## What reviewers say

### Tumbling Difficulty Calculator

[App page](https://appshunter.io/ios/app/tumbling-difficulty-calculator/id6450893045)

**In-app purchases:** none


### Stoi Replay

[App page](https://appshunter.io/ios/app/stoi-replay/id6783068402)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tumbling Difficulty Calculator free?

Tumbling Difficulty Calculator is free to download, with no in-app purchases.

### Is Stoi Replay free?

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

### Do Tumbling Difficulty Calculator or Stoi Replay have ads?

Neither Tumbling Difficulty Calculator nor Stoi Replay shows ads.

### Which is updated more often, Tumbling Difficulty Calculator or Stoi Replay?

Tumbling Difficulty Calculator ships an update every 2 weeks, and Stoi Replay every 4 days. Most recently, Tumbling Difficulty Calculator was updated on October 19, 2026 and Stoi Replay on October 5, 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.*