# ZenTimer Pro vs LastWhen

The clearest difference is in-app purchases: ZenTimer Pro at none against LastWhen's 3. ZenTimer Pro also leads on update cadence (every 2 weeks vs every 2 months). LastWhen's advantage is iOS requirement (15.1 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. LastWhen sells 3 in-app purchases, starting at $3.99 per 7 days. ZenTimer Pro asks for nothing beyond the download.

ZenTimer Pro ships an update every 2 weeks, LastWhen every 2 months. The most recent releases landed on May 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ZenTimer Pro | LastWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 11 MB | 55 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ABDESSAMAD EL MOGHIR](https://appshunter.io/developer/1837654105) | [Oussama Ouazize](https://appshunter.io/developer/1812686671) |

## What reviewers say

### ZenTimer Pro

[App page](https://appshunter.io/ios/app/zentimer-pro/id6755069116)

**Features:** macOS Compatibility

**In-app purchases:** none


### LastWhen

[App page](https://appshunter.io/ios/app/lastwhen-chores-tracker/id6762074147)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $39.99 | per year |
| Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is ZenTimer Pro free?

ZenTimer Pro is free to download, with no in-app purchases.

### Is LastWhen free?

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

### Do ZenTimer Pro or LastWhen have ads?

Neither ZenTimer Pro nor LastWhen shows ads.

### Which is updated more often, ZenTimer Pro or LastWhen?

ZenTimer Pro ships an update every 2 weeks, and LastWhen every 2 months. Most recently, ZenTimer Pro was updated on May 18, 2026 and LastWhen on September 17, 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.*