# Don't Forget vs xCalendar

The clearest difference is in-app purchases: xCalendar at none against Don't Forget's 1. xCalendar also leads on iOS requirement (13.0 vs 17.6). Don't Forget's advantage is device support (4 vs 2). On price, update cadence and ads there is nothing between them.

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

Don't Forget ships an update every 3 weeks, xCalendar every 11 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Don't Forget | xCalendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 26 MB | 40 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Francesco Leoni](https://appshunter.io/developer/1484190257) | [TP Vision Europe B.V.](https://appshunter.io/developer/528218637) |

## 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 |


### xCalendar

[App page](https://appshunter.io/ios/app/xcalendar/id6760285122)

**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 xCalendar free?

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

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

Neither Don't Forget nor xCalendar shows ads.

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

Don't Forget ships an update every 3 weeks, and xCalendar every 11 days. Most recently, Don't Forget was updated on October 28, 2026 and xCalendar on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*