# Conversions vs Lumenus Vault

The clearest difference is update cadence: Conversions at every 2 weeks against Lumenus Vault's every 5 months. Lumenus Vault's advantage is iOS requirement (16.6 vs 18.6). 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.

Conversions ships an update every 2 weeks, Lumenus Vault every 5 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Conversions | Lumenus Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 6 MB | 32 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piotr Bakker](https://appshunter.io/developer/1741809059) | [萍 公](https://appshunter.io/developer/1854281135) |

## What reviewers say

### Conversions

[App page](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598)

Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.

**Highlights:** Convert 100+ units, Temperature, length, weight conversions, View conversion formulas, Copy and share conversions, Native iOS design, Ad-free experience

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

**In-app purchases:** none


### Lumenus Vault

[App page](https://appshunter.io/ios/app/lumenus-vault/id6756407795)

**In-app purchases:** none


## Frequently asked questions

### Is Conversions free?

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

### Is Lumenus Vault free?

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

### Do Conversions or Lumenus Vault have ads?

Neither Conversions nor Lumenus Vault shows ads.

### Which is updated more often, Conversions or Lumenus Vault?

Conversions ships an update every 2 weeks, and Lumenus Vault every 5 months. Most recently, Conversions was updated on October 21, 2026 and Lumenus Vault on October 18, 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.*