# InstantTODO vs AIrClock

The clearest difference is ads: AIrClock at none against InstantTODO's shown. AIrClock also leads on update cadence (every 9 days vs every 6 weeks). InstantTODO's advantage is iOS requirement (18.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. InstantTODO sells 2 in-app purchases, starting at $2.49 per month and AIrClock sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

InstantTODO ships an update every 6 weeks, AIrClock every 9 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | InstantTODO | AIrClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/instanttodo-never-forget-task/id1528323467/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 77.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 3 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [flickfrog](https://appshunter.io/developer/513272768) | [kazuaki morooka](https://appshunter.io/developer/6788705137) |

## What reviewers say

### InstantTODO

[App page](https://appshunter.io/ios/app/instanttodo-never-forget-task/id1528323467)

This is a straightforward to-do list application designed for users who struggle with remembering tasks. It features persistent alarms to ensure nothing is forgotten, simple one-tap task addition, and easy management through swiping and holding. It also offers iCloud backup and synchronization.

**Highlights:** Persistent alarms, One-tap task addition, Simple single list, iCloud backup and sync, Easy sorting and deletion, Customizable backgrounds

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.49 | per month |
| Premium Plan(Annual) | $23.49 | per year |


### AIrClock

[App page](https://appshunter.io/ios/app/airclock/id6790003094)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム月額プラン | $1.99 | per month |
| プレミアム年額プラン | $19.99 | per year |


## Frequently asked questions

### Is InstantTODO free?

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

### Is AIrClock free?

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

### Do InstantTODO or AIrClock have ads?

InstantTODO shows ads; AIrClock does not.

### Which is updated more often, InstantTODO or AIrClock?

InstantTODO ships an update every 6 weeks, and AIrClock every 9 days. Most recently, InstantTODO was updated on October 17, 2026 and AIrClock on October 10, 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.*