# CELUM vs BD LUX

CELUM and BD LUX are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CELUM ships an update monthly, BD LUX every 2 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CELUM | BD LUX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 14 MB | 220 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [celum gmbh](https://appshunter.io/developer/380948109) | [Rafał Zielinski](https://appshunter.io/developer/1690144900) |

## What reviewers say

### CELUM

[App page](https://appshunter.io/ios/app/celum/id6446499177)

**Features:** Vision Pro support

**In-app purchases:** none


### BD LUX

[App page](https://appshunter.io/ios/app/bd-lux/id6449732594)

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

**In-app purchases:** none


## Frequently asked questions

### Is CELUM free?

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

### Is BD LUX free?

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

### Do CELUM or BD LUX have ads?

Neither CELUM nor BD LUX shows ads.

### Which is updated more often, CELUM or BD LUX?

CELUM ships an update monthly, and BD LUX every 2 months. Most recently, CELUM was updated on October 11, 2026 and BD LUX on October 4, 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.*