# Студия Арена vs Bowel Movement Tracker

The clearest difference is in-app purchases: Студия Арена at none against Bowel Movement Tracker's 2. Студия Арена also leads on iOS requirement (15.1 vs 17.0). Bowel Movement Tracker's advantage is update cadence (every 4 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Bowel Movement Tracker sells 2 in-app purchases, starting at $4.99 per month. Студия Арена asks for nothing beyond the download.

Студия Арена ships an update every 7 months, Bowel Movement Tracker every 4 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Студия Арена | Bowel Movement Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 33 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Likhatskiy](https://appshunter.io/developer/1535199061) | [Ilia Kukharev](https://appshunter.io/developer/1865204215) |

## What reviewers say

### Студия Арена

[App page](https://appshunter.io/ios/app/id6467221424)

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

**In-app purchases:** none


### Bowel Movement Tracker

[App page](https://appshunter.io/ios/app/bowel-movement-tracker-bm-log/id6772184356)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poop Tracker Stool Log Pro Monthly | $4.99 | per month |
| Poop Tracker Stool Log Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Студия Арена free?

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

### Is Bowel Movement Tracker free?

Bowel Movement Tracker is free to download, with in-app purchases available.

### Do Студия Арена or Bowel Movement Tracker have ads?

Neither Студия Арена nor Bowel Movement Tracker shows ads.

### Which is updated more often, Студия Арена or Bowel Movement Tracker?

Студия Арена ships an update every 7 months, and Bowel Movement Tracker every 4 days. Most recently, Студия Арена was updated on November 3, 2026 and Bowel Movement Tracker on November 10, 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.*