# Active Theory Experiments vs Ethan's Alarm

The clearest difference is update cadence: Active Theory Experiments at every 3 days against Ethan's Alarm's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Active Theory Experiments ships an update every 3 days, Ethan's Alarm every 2 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Active Theory Experiments | Ethan's Alarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 1 MB | 32 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Active Theory](https://appshunter.io/developer/956025432) | [ETHAN WEI-MIN HO](https://appshunter.io/developer/1896630813) |

## What reviewers say

### Active Theory Experiments

[App page](https://appshunter.io/ios/app/active-theory-experiments/id6476633034)

**In-app purchases:** none


### Ethan's Alarm

[App page](https://appshunter.io/ios/app/ethans-alarm/id6769114793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Active Theory Experiments free?

Active Theory Experiments is free to download, with no in-app purchases.

### Is Ethan's Alarm free?

Ethan's Alarm is free to download, with no in-app purchases.

### Do Active Theory Experiments or Ethan's Alarm have ads?

Neither Active Theory Experiments nor Ethan's Alarm shows ads.

### Which is updated more often, Active Theory Experiments or Ethan's Alarm?

Active Theory Experiments ships an update every 3 days, and Ethan's Alarm every 2 weeks. Most recently, Active Theory Experiments was updated on October 7, 2026 and Ethan's Alarm on October 8, 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.*