# Jane DO vs Stir Fit Lab

The clearest difference is update cadence: Stir Fit Lab at every 3 weeks against Jane DO's every 2 months. Stir Fit Lab also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jane DO ships an update every 2 months, Stir Fit Lab every 3 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Jane DO | Stir Fit Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 97 MB | 89 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [THE SPORTS BARRE LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1487736088) | [Stir Fit Lab, LLC](https://appshunter.io/developer/6774324057) |

## What reviewers say

### Jane DO

[App page](https://appshunter.io/ios/app/jane-do/id6602881060)

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

**In-app purchases:** none


### Stir Fit Lab

[App page](https://appshunter.io/ios/app/stir-fit-lab/id6809694561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jane DO free?

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

### Is Stir Fit Lab free?

Stir Fit Lab is free to download, with no in-app purchases.

### Do Jane DO or Stir Fit Lab have ads?

Neither Jane DO nor Stir Fit Lab shows ads.

### Which is updated more often, Jane DO or Stir Fit Lab?

Jane DO ships an update every 2 months, and Stir Fit Lab every 3 weeks. Most recently, Jane DO was updated on October 7, 2026 and Stir Fit Lab on October 9, 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.*