# Energy vs Don't Forget

The clearest difference is in-app purchases: Don't Forget at none against Energy's 1. Don't Forget also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). Energy's advantage is iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Energy sells 1 one-off in-app purchase. Don't Forget asks for nothing beyond the download.

Energy ships an update every 3 months, Don't Forget fortnightly. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Energy | Don't Forget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 207 MB | 27 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Wendl](https://appshunter.io/developer/1754836410) | [Francesco Leoni](https://appshunter.io/developer/1484190257) |

## What reviewers say

### Energy

[App page](https://appshunter.io/ios/app/energy-based-routine/id6745750243)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Version | $3.99 | one-time |


### Don't Forget

[App page](https://appshunter.io/ios/app/dont-forget-adhd-task-timer/id6759551127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Energy free?

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

### Is Don't Forget free?

Don't Forget is free to download, with no in-app purchases.

### Do Energy or Don't Forget have ads?

Energy shows ads; Don't Forget does not.

### Which is updated more often, Energy or Don't Forget?

Energy ships an update every 3 months, and Don't Forget fortnightly. Most recently, Energy was updated on October 12, 2026 and Don't Forget 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.*