# OnTime Clock vs Grumpy Sharky

The clearest difference is ads: OnTime Clock at none against Grumpy Sharky's shown. Grumpy Sharky's advantage is update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OnTime Clock ships an update every 2 months, Grumpy Sharky every 2 days. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | OnTime Clock | Grumpy Sharky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 18 MB | 136 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文巧 刘](https://appshunter.io/developer/1870071617) | [Longhong Chiang](https://appshunter.io/developer/1698889494) |

## What reviewers say

### OnTime Clock

[App page](https://appshunter.io/ios/app/ontime-clock/id6758231595)

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

**In-app purchases:** none


### Grumpy Sharky

[App page](https://appshunter.io/ios/app/grumpy-sharky-stop-alarm/id6759364258)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnTime Clock free?

OnTime Clock is free to download, with no in-app purchases.

### Is Grumpy Sharky free?

Grumpy Sharky is free to download, with no in-app purchases.

### Do OnTime Clock or Grumpy Sharky have ads?

Grumpy Sharky shows ads; OnTime Clock does not.

### Which is updated more often, OnTime Clock or Grumpy Sharky?

OnTime Clock ships an update every 2 months, and Grumpy Sharky every 2 days. Most recently, OnTime Clock was updated on October 31, 2026 and Grumpy Sharky on November 9, 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.*