# Notification Todo vs CheckOne

The clearest difference is in-app purchases: Notification Todo at none against CheckOne's 1. Notification Todo also leads on update cadence (every 6 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CheckOne sells 1 one-off in-app purchase. Notification Todo asks for nothing beyond the download.

Notification Todo ships an update every 6 days, CheckOne every 4 months. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Notification Todo | CheckOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Size | 4 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SOTOCHA](https://appshunter.io/developer/501449724) | [Mishima Design](https://appshunter.io/developer/373060551) |

## What reviewers say

### Notification Todo

[App page](https://appshunter.io/ios/app/notification-todo/id6448881266)

**Features:** macOS Compatibility

**In-app purchases:** none


### CheckOne

[App page](https://appshunter.io/ios/app/checkone/id6785709065)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CheckOne Plus | $9.99 | one-time |


## Frequently asked questions

### Is Notification Todo free?

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

### Is CheckOne free?

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

### Do Notification Todo or CheckOne have ads?

Neither Notification Todo nor CheckOne shows ads.

### Which is updated more often, Notification Todo or CheckOne?

Notification Todo ships an update every 6 days, and CheckOne every 4 months. Most recently, Notification Todo was updated on November 8, 2026 and CheckOne on November 13, 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.*