# Happies vs Habit Stacking

The clearest difference is iOS requirement: Happies at 15.1 against Habit Stacking's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Happies sells 1 one-off in-app purchase and Habit Stacking sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Happies ships an update monthly, Habit Stacking every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Happies | Habit Stacking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 38 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JULIA HU](https://appshunter.io/developer/1895656381) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Happies

[App page](https://appshunter.io/ios/app/happies-to-do-list/id6764138666)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Tasks - Lifetime | $4.99 | one-time |


### Habit Stacking

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

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubit Habit Stack Weekly | $4.99 | per 7 days |
| Cubit Habit Stack Yearly | $24.99 | per year |
| Daily Checklist Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Happies free?

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

### Is Habit Stacking free?

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

### Do Happies or Habit Stacking have ads?

Neither Happies nor Habit Stacking shows ads.

### Which is updated more often, Happies or Habit Stacking?

Happies ships an update monthly, and Habit Stacking every 2 months. Most recently, Happies was updated on October 28, 2026 and Habit Stacking on October 28, 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.*