# Sand Clock vs ByWhen

The clearest difference is in-app purchases: Sand Clock at none against ByWhen's 3. Sand Clock also leads on update cadence (every 2 days vs weekly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. ByWhen sells 3 in-app purchases, starting at $4.99 per month. Sand Clock asks for nothing beyond the download.

Sand Clock ships an update every 2 days, ByWhen weekly. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Sand Clock | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 31 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Akshavi Inc Private Limited](https://appshunter.io/developer/1810204463) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### Sand Clock

[App page](https://appshunter.io/ios/app/sand-clock-manage-your-time/id6752852807)

**Features:** macOS Compatibility

**In-app purchases:** none


### ByWhen

[App page](https://appshunter.io/ios/app/bywhen-deadline-task-planner/id6778767584)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is Sand Clock free?

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

### Is ByWhen free?

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

### Do Sand Clock or ByWhen have ads?

Neither Sand Clock nor ByWhen shows ads.

### Which is updated more often, Sand Clock or ByWhen?

Sand Clock ships an update every 2 days, and ByWhen weekly. Most recently, Sand Clock was updated on November 8, 2026 and ByWhen on November 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.*