# Purem vs Time Boxing

The clearest difference is in-app purchases: Time Boxing at none against Purem's 3. Purem's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Purem sells 3 in-app purchases, starting at $2.99 per month. Time Boxing asks for nothing beyond the download.

Purem ships an update every 3 days, Time Boxing monthly. Both last shipped on November 9, 2026.

## The numbers

| Metric | Purem | Time Boxing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 3 MB | 5 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dongok Yang](https://appshunter.io/developer/1875011100) | [heewook shin](https://appshunter.io/developer/1516827497) |

## What reviewers say

### Purem

[App page](https://appshunter.io/ios/app/purem/id6758786205)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $2.99 | per month |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $36.99 | per year |


### Time Boxing

[App page](https://appshunter.io/ios/app/time-boxing-top3-task/id6759822028)

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

**In-app purchases:** none


## Frequently asked questions

### Is Purem free?

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

### Is Time Boxing free?

Time Boxing is free to download, with no in-app purchases.

### Do Purem or Time Boxing have ads?

Neither Purem nor Time Boxing shows ads.

### Which is updated more often, Purem or Time Boxing?

Purem ships an update every 3 days, and Time Boxing monthly. Most recently, Purem was updated on November 9, 2026 and Time Boxing 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.*