# Optimize. vs PUUR EMS

The clearest difference is update cadence: Optimize. at weekly against PUUR EMS's every 4 months. Optimize. also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Optimize. ships an update weekly, PUUR EMS every 4 months. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Optimize. | PUUR EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Weekly** | Every 4 months |
| Size | 105 MB | 214 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 12+ |
| Developer | [Optimize B.V.](https://appshunter.io/developer/1799974052) | [Reboot Health B.V.](https://appshunter.io/developer/1878115602) |

## What reviewers say

### Optimize.

[App page](https://appshunter.io/ios/app/optimize/id6743006167)

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

**In-app purchases:** none


### PUUR EMS

[App page](https://appshunter.io/ios/app/puur-ems/id6759331351)

**In-app purchases:** none


## Frequently asked questions

### Is Optimize. free?

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

### Is PUUR EMS free?

PUUR EMS is free to download, with no in-app purchases.

### Which is updated more often, Optimize. or PUUR EMS?

Optimize. ships an update weekly, and PUUR EMS every 4 months. Most recently, Optimize. was updated on September 11, 2026 and PUUR EMS on September 23, 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.*