# Brainstorm by Allinson vs Habit Stacking

The clearest difference is in-app purchases: Brainstorm by Allinson at none against Habit Stacking's 2. Brainstorm by Allinson also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Habit Stacking's advantage is update cadence (every 2 months vs every 44 months). On price and ads there is nothing between them.

Both are free to download. Habit Stacking sells 2 in-app purchases, starting at $9.99 per 7 days. Brainstorm by Allinson asks for nothing beyond the download.

Brainstorm by Allinson ships an update every 44 months, Habit Stacking every 2 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | Brainstorm by Allinson | Habit Stacking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 months** |
| Size | 6 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chris Allinson](https://appshunter.io/developer/363434350) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Brainstorm by Allinson

[App page](https://appshunter.io/ios/app/brainstorm-by-allinson/id374194218)

**Features:** macOS Compatibility

**In-app purchases:** none


### Habit Stacking

[App page](https://appshunter.io/ios/app/habit-stacking-micro-habits/id6773756708)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubit Habit Stack Weekly | $9.99 | per 7 days |
| Cubit Habit Stack Yearly | $49.99 | per year |


## Frequently asked questions

### Is Brainstorm by Allinson free?

Brainstorm by Allinson is free to download, with no in-app purchases.

### Is Habit Stacking free?

Habit Stacking is free to download, with in-app purchases available.

### Do Brainstorm by Allinson or Habit Stacking have ads?

Neither Brainstorm by Allinson nor Habit Stacking shows ads.

### Which is updated more often, Brainstorm by Allinson or Habit Stacking?

Brainstorm by Allinson ships an update every 44 months, and Habit Stacking every 2 months. Most recently, Brainstorm by Allinson was updated on October 5, 2026 and Habit Stacking on October 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.*