# Tummy Time Tracker vs Stable Jiu Jitsu Riverside

The clearest difference is update cadence: Tummy Time Tracker at every 3 weeks against Stable Jiu Jitsu Riverside's every 10 months. Stable Jiu Jitsu Riverside's advantage is iOS requirement (13.5 vs 26.1). 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.

Tummy Time Tracker ships an update every 3 weeks, Stable Jiu Jitsu Riverside every 10 months. The most recent releases landed on October 19, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Tummy Time Tracker | Stable Jiu Jitsu Riverside |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tummy-time-tracker/id6459053931/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 6 MB | 14 MB |
| Requires iOS | 26.1 | **13.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daumantas Versockas](https://appshunter.io/developer/1447897781) | [STABLE JJ LLC](https://appshunter.io/developer/1747280713) |

## What reviewers say

### Tummy Time Tracker

[App page](https://appshunter.io/ios/app/tummy-time-tracker/id6459053931)

This app assists parents in tracking and improving their baby's motor skills through guided tummy time exercises. Developed with medical professionals, it provides a structured approach to this crucial developmental activity.

**Highlights:** Tummy time tracking, Motor skill improvement, Doctor-approved exercises, Baby development focus, Progress monitoring

**Features:** Vision Pro support

**In-app purchases:** none


### Stable Jiu Jitsu Riverside

[App page](https://appshunter.io/ios/app/stable-jiu-jitsu-riverside/id6502903949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tummy Time Tracker free?

Tummy Time Tracker is free to download, with no in-app purchases.

### Is Stable Jiu Jitsu Riverside free?

Stable Jiu Jitsu Riverside is free to download, with no in-app purchases.

### Do Tummy Time Tracker or Stable Jiu Jitsu Riverside have ads?

Neither Tummy Time Tracker nor Stable Jiu Jitsu Riverside shows ads.

### Which is updated more often, Tummy Time Tracker or Stable Jiu Jitsu Riverside?

Tummy Time Tracker ships an update every 3 weeks, and Stable Jiu Jitsu Riverside every 10 months. Most recently, Tummy Time Tracker was updated on October 19, 2026 and Stable Jiu Jitsu Riverside on October 27, 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.*