# Reminder vs dapter

The clearest difference is update cadence: dapter at every 2 weeks against Reminder's every 3 months. dapter also leads on iOS requirement (16.4 vs 18.0). Reminder's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Reminder sells 1 one-off in-app purchase and dapter sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Reminder ships an update every 3 months, dapter every 2 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Reminder | dapter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 7 MB | 65 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Velit Tolga MUSTO](https://appshunter.io/developer/1865729768) | [Anuar Shaidenov](https://appshunter.io/developer/6786665450) |

## What reviewers say

### Reminder

[App page](https://appshunter.io/ios/app/reminder-tasks-and-to-do-list/id6757705800)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Ömür Boyu | $4.99 | one-time |


### dapter

[App page](https://appshunter.io/ios/app/dapter-notes-that-do-math/id6786665448)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dapter Plus Monthly | $3.99 | per month |
| Dapter Plus Yearly | $19.99 | per year |
| Dapter Plus Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Reminder free?

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

### Is dapter free?

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

### Do Reminder or dapter have ads?

Neither Reminder nor dapter shows ads.

### Which is updated more often, Reminder or dapter?

Reminder ships an update every 3 months, and dapter every 2 weeks. Most recently, Reminder was updated on October 14, 2026 and dapter on October 15, 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.*