# Luma vs Chronos

The clearest difference is in-app purchases: Chronos at none against Luma's 1. Chronos also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Luma sells 1 one-off in-app purchase. Chronos asks for nothing beyond the download.

Luma ships an update every 3 days, Chronos weekly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Luma | Chronos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/luma-brightness-widget/id6760693098/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 45 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tomoki swanson](https://appshunter.io/developer/1579832044) | [Archest, LLC](https://appshunter.io/developer/1891573717) |

## What reviewers say

### Luma

[App page](https://appshunter.io/ios/app/luma-brightness-widget/id6760693098)

Save and instantly switch between your preferred screen brightness levels. Access these presets directly from a Home Screen widget for quick adjustments.

**Highlights:** Save custom brightness presets, Instant switching between presets, Home Screen widget access, Quick brightness adjustments

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示 | $0.99 | one-time |


### Chronos

[App page](https://appshunter.io/ios/app/chronos-time-and-pace/id6780953942)

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

**In-app purchases:** none


## Frequently asked questions

### Is Luma free?

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

### Is Chronos free?

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

### Do Luma or Chronos have ads?

Luma shows ads; Chronos does not.

### Which is updated more often, Luma or Chronos?

Luma ships an update every 3 days, and Chronos weekly. Most recently, Luma was updated on October 31, 2026 and Chronos on October 25, 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.*