# Reef Bubbles vs Lumen

The clearest difference is update cadence: Reef Bubbles at daily against Lumen's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Reef Bubbles ships an update daily, Lumen every 5 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Reef Bubbles | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 weeks |
| Size | 50 MB | 7 MB |
| Requires iOS | **14.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) | [勇 吴](https://appshunter.io/developer/1883755443) |

## What reviewers say

### Reef Bubbles

[App page](https://appshunter.io/ios/app/reef-bubbles/id6761497043)

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

**In-app purchases:** none


### Lumen

[App page](https://appshunter.io/ios/app/lumen-orbital-refraction/id6761524896)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reef Bubbles free?

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

### Is Lumen free?

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

### Do Reef Bubbles or Lumen have ads?

Neither Reef Bubbles nor Lumen shows ads.

### Which is updated more often, Reef Bubbles or Lumen?

Reef Bubbles ships an update daily, and Lumen every 5 weeks. Most recently, Reef Bubbles was updated on October 25, 2026 and Lumen 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.*