# Don't Forget vs Cronus

The clearest difference is in-app purchases: Cronus at none against Don't Forget's 1. Cronus also leads on update cadence (daily vs every 2 weeks). Don't Forget's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Don't Forget ships an update every 2 weeks, Cronus daily. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Don't Forget | Cronus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 26 MB | 32 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Leoni](https://appshunter.io/developer/1484190257) | [Moritz Wallawitsch](https://appshunter.io/developer/6801661115) |

## What reviewers say

### 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $19.99 | one-time |


### Cronus

[App page](https://appshunter.io/ios/app/cronus-ai-time-tracker/id6802339404)

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

**In-app purchases:** none


## Frequently asked questions

### Is Don't Forget free?

Don't Forget is free to download, with in-app purchases available.

### Is Cronus free?

Cronus is free to download, with no in-app purchases.

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

Neither Don't Forget nor Cronus shows ads.

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

Don't Forget ships an update every 2 weeks, and Cronus daily. Most recently, Don't Forget was updated on November 5, 2026 and Cronus on October 29, 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.*