# Albert I’mStein vs Atomic Habits

The clearest difference is in-app purchases: Albert I’mStein at none against Atomic Habits's 2. Albert I’mStein also leads on update cadence (every 2 months vs every 8 months) and iOS requirement (12.0 vs 15.0.0). On price, ads and device support there is nothing between them.

Both are free to download. Atomic Habits sells 2 in-app purchases, starting at $3.99 per 7 days. Albert I’mStein asks for nothing beyond the download.

Albert I’mStein ships an update every 2 months, Atomic Habits every 8 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Albert I’mStein | Atomic Habits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 219 MB | 45 MB |
| Requires iOS | **12.0** | 15.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AR-Labs.io](https://appshunter.io/developer/1586984189) | [ICarta](https://appshunter.io/developer/1505094938) |

## What reviewers say

### Albert I’mStein

[App page](https://appshunter.io/ios/app/albert-imstein/id6447842999)

**In-app purchases:** none


### Atomic Habits

[App page](https://appshunter.io/ios/app/atomic-habits-habit-tracker/id6745477105)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Habits Weekly Unlimited | $3.99 | per 7 days |
| Atomic Habits Annual Unlimited | $24.99 | per year |


## Frequently asked questions

### Is Albert I’mStein free?

Albert I’mStein is free to download, with no in-app purchases.

### Is Atomic Habits free?

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

### Do Albert I’mStein or Atomic Habits have ads?

Neither Albert I’mStein nor Atomic Habits shows ads.

### Which is updated more often, Albert I’mStein or Atomic Habits?

Albert I’mStein ships an update every 2 months, and Atomic Habits every 8 months. Most recently, Albert I’mStein was updated on October 30, 2026 and Atomic Habits on October 25, 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.*