# Task Timer vs TodoKnock

The clearest difference is price: TodoKnock at Free against Task Timer's $3.99. TodoKnock also leads on update cadence (every 6 days vs every 12 months). Task Timer's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

TodoKnock is free to download; Task Timer costs $3.99 up front. TodoKnock sells 1 one-off in-app purchase. Task Timer asks for nothing beyond the download.

Task Timer ships an update every 12 months, TodoKnock every 6 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Task Timer | TodoKnock |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 days** |
| Size | 11 MB | 56 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aelius Venture Private Limited](https://appshunter.io/developer/1519281356) | [Yuichi Sasaki](https://appshunter.io/developer/1831654051) |

## What reviewers say

### Task Timer

[App page](https://appshunter.io/ios/app/task-timer-to-do-alert/id1519281354)

**Features:** macOS Compatibility

**In-app purchases:** none


### TodoKnock

[App page](https://appshunter.io/ios/app/todoknock-count-your-progress/id6755919383)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Task Timer free?

Task Timer costs $3.99, with no in-app purchases.

### Is TodoKnock free?

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

### Do Task Timer or TodoKnock have ads?

Neither Task Timer nor TodoKnock shows ads.

### Which is updated more often, Task Timer or TodoKnock?

Task Timer ships an update every 12 months, and TodoKnock every 6 days. Most recently, Task Timer was updated on October 4, 2026 and TodoKnock on October 6, 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.*