# Optimize. vs Lighten

The clearest difference is in-app purchases: Optimize. at none against Lighten's 3. Optimize. also leads on update cadence (weekly vs every 4 weeks). Lighten's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Lighten sells 3 one-off in-app purchases. Optimize. asks for nothing beyond the download.

Optimize. ships an update weekly, Lighten every 4 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Optimize. | Lighten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Size | 115 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Optimize B.V.](https://appshunter.io/developer/1799974052) | [Cyriel de Ceuninck van Capelle](https://appshunter.io/developer/1695881179) |

## What reviewers say

### Optimize.

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

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

**In-app purchases:** none


### Lighten

[App page](https://appshunter.io/ios/app/lighten/id6748280897)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 meditation sessions | $2.99 | one-time |
| 15 meditation sessions | $7.99 | one-time |
| 50 meditation sessions | $24.99 | one-time |


## Frequently asked questions

### Is Optimize. free?

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

### Is Lighten free?

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

### Do Optimize. or Lighten have ads?

Neither Optimize. nor Lighten shows ads.

### Which is updated more often, Optimize. or Lighten?

Optimize. ships an update weekly, and Lighten every 4 weeks. Most recently, Optimize. was updated on October 30, 2026 and Lighten on October 28, 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.*