# Don't Forget vs PurrNest

The clearest difference is in-app purchases: Don't Forget at none against PurrNest's 1. Don't Forget also leads on device support (4 vs 2). PurrNest's advantage is update cadence (every 5 days vs fortnightly). On price, ads and iOS requirement there is nothing between them.

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

Don't Forget ships an update fortnightly, PurrNest every 5 days. The most recent releases landed on October 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Don't Forget | PurrNest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 27 MB | 85 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Leoni](https://appshunter.io/developer/1484190257) | [伟健 刘](https://appshunter.io/developer/6794169557) |

## 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:** none


### PurrNest

[App page](https://appshunter.io/ios/app/purrnest-cat-focus-timer/id6795890873)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is Don't Forget free?

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

### Is PurrNest free?

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

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

Neither Don't Forget nor PurrNest shows ads.

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

Don't Forget ships an update fortnightly, and PurrNest every 5 days. Most recently, Don't Forget was updated on October 17, 2026 and PurrNest on September 27, 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.*