# AtReminder vs HeartNote Diary

The clearest difference is in-app purchases: HeartNote Diary at none against AtReminder's 3. HeartNote Diary also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AtReminder sells 3 in-app purchases, starting at $3.99 per month. HeartNote Diary asks for nothing beyond the download.

AtReminder ships an update every 2 weeks, HeartNote Diary every 3 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | AtReminder | HeartNote Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 4 MB | 55 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tertius Wessels](https://appshunter.io/developer/1854509891) | [俐 王](https://appshunter.io/developer/1872258094) |

## What reviewers say

### AtReminder

[App page](https://appshunter.io/ios/app/atreminder-location-reminders/id6755543902)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| @Reminder Pro — Monthly | $3.99 | per month |
| @Reminder Pro — Annual | $29.99 | per year |
| @Reminder Pro — Lifetime | $79.99 | one-time |


### HeartNote Diary

[App page](https://appshunter.io/ios/app/heartnote-diary/id6759284816)

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

**In-app purchases:** none


## Frequently asked questions

### Is AtReminder free?

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

### Is HeartNote Diary free?

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

### Do AtReminder or HeartNote Diary have ads?

Neither AtReminder nor HeartNote Diary shows ads.

### Which is updated more often, AtReminder or HeartNote Diary?

AtReminder ships an update every 2 weeks, and HeartNote Diary every 3 weeks. Most recently, AtReminder was updated on September 10, 2026 and HeartNote Diary on September 22, 2026.

---

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