# 3,2,1 Run vs The Belly Lab

The clearest difference is in-app purchases: 3,2,1 Run at none against The Belly Lab's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. The Belly Lab sells 1 one-off in-app purchase. 3,2,1 Run asks for nothing beyond the download.

3,2,1 Run ships an update monthly, The Belly Lab every 6 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 3,2,1 Run | The Belly Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/321-run/id317773242/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 43.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [C Godefroy](https://appshunter.io/developer/349286215) | [The Belly Lab Limited](https://appshunter.io/developer/1578192736) |

## What reviewers say

### 3,2,1 Run

[App page](https://appshunter.io/ios/app/321-run/id317773242)

This fitness app provides structured training plans to help you start running, improve performance, and achieve fitness goals. It tracks outdoor activities like running and biking, offering real-time audio feedback on distance, speed, and calories burned. The app also includes custom training programs and an indoor mode for elliptical training.

**Highlights:** GPS activity tracking, Real-time audio feedback, Custom training programs, Workout history and stats, Music integration, Indoor training mode

**In-app purchases:** none


### The Belly Lab

[App page](https://appshunter.io/ios/app/the-belly-lab/id6756230953)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TBL Les Bases | $49.99 | one-time |


## Frequently asked questions

### Is 3,2,1 Run free?

3,2,1 Run is free to download, with no in-app purchases.

### Is The Belly Lab free?

The Belly Lab is free to download, with in-app purchases available.

### Do 3,2,1 Run or The Belly Lab have ads?

Neither 3,2,1 Run nor The Belly Lab shows ads.

### Which is updated more often, 3,2,1 Run or The Belly Lab?

3,2,1 Run ships an update monthly, and The Belly Lab every 6 weeks. Most recently, 3,2,1 Run was updated on October 31, 2026 and The Belly Lab on November 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.*