# Chrono TimeBlocks vs Luma

The clearest difference is in-app purchases: Chrono TimeBlocks at none against Luma's 2. Chrono TimeBlocks also leads on device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Luma sells 2 in-app purchases, starting at $9.99 per month. Chrono TimeBlocks asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chrono TimeBlocks | Luma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 20 MB | 33 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鑫 刘](https://appshunter.io/developer/1887145874) | [Ashton McHardy](https://appshunter.io/developer/1827861021) |

## What reviewers say

### Chrono TimeBlocks

[App page](https://appshunter.io/ios/app/chrono-timeblocks/id6761002985)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Luma

[App page](https://appshunter.io/ios/app/luma-work-and-shift-alarm/id6806915998)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luma Monthly | $9.99 | per month |
| Luma Annual | $39.99 | per year |


## Frequently asked questions

### Is Chrono TimeBlocks free?

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

### Is Luma free?

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

### Do Chrono TimeBlocks or Luma have ads?

Neither Chrono TimeBlocks nor Luma shows ads.

### Which is updated more often, Chrono TimeBlocks or Luma?

Chrono TimeBlocks ships an update every 3 weeks, and Luma every 3 weeks. Most recently, Chrono TimeBlocks was updated on October 31, 2026 and Luma on November 6, 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.*