# Stable T1D vs Beta Cell Lab Notes

The clearest difference is in-app purchases: Beta Cell Lab Notes at none against Stable T1D's 2. Beta Cell Lab Notes also leads on update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Stable T1D sells 2 in-app purchases, starting at $11.99 per month. Beta Cell Lab Notes asks for nothing beyond the download.

Stable T1D ships an update every 3 weeks, Beta Cell Lab Notes every 2 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Stable T1D | Beta Cell Lab Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 44 MB | 4 MB |
| Requires iOS | 26.1 | **26.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jessica Cilia Baldacchino](https://appshunter.io/developer/1891629801) | [Beta Cell Foundation](https://appshunter.io/developer/1777125349) |

## What reviewers say

### Stable T1D

[App page](https://appshunter.io/ios/app/stable-t1d-type-1-diabetes/id6762518247)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stable Unlimited Monthly | $11.99 | per month |
| Stable Unlimited Yearly | $99.99 | per year |


### Beta Cell Lab Notes

[App page](https://appshunter.io/ios/app/beta-cell-lab-notes/id6801648423)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stable T1D free?

Stable T1D is free to download, with in-app purchases available.

### Is Beta Cell Lab Notes free?

Beta Cell Lab Notes is free to download, with no in-app purchases.

### Do Stable T1D or Beta Cell Lab Notes have ads?

Neither Stable T1D nor Beta Cell Lab Notes shows ads.

### Which is updated more often, Stable T1D or Beta Cell Lab Notes?

Stable T1D ships an update every 3 weeks, and Beta Cell Lab Notes every 2 days. Most recently, Stable T1D was updated on October 8, 2026 and Beta Cell Lab Notes on October 17, 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.*