# LIBRO vs MTU Arena

The clearest difference is update cadence: MTU Arena at every 6 weeks against LIBRO's every 7 months. LIBRO's advantage is iOS requirement (14.0 vs 16.4). 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.

LIBRO ships an update every 7 months, MTU Arena every 6 weeks. The most recent releases landed on October 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | LIBRO | MTU Arena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/libro/id1322524427/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 4.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 157 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nutritics Limited](https://appshunter.io/developer/1322524426) | [Legitfit Limited](https://appshunter.io/developer/1550159231) |

## What reviewers say

### LIBRO

[App page](https://appshunter.io/ios/app/libro/id1322524427)

This AI-powered health assistant helps you track diet, exercise, and lifestyle goals with features like voice logging and a barcode scanner. It offers personalized suggestions and meal planning tools. Access is currently by invitation only from an accredited nutrition professional.

**Highlights:** AI-powered health tracking, Voice logging, Barcode scanner, Personalized suggestions, Diet and activity logging, Meal planning

**Features:** macOS Compatibility

**In-app purchases:** none


### MTU Arena

[App page](https://appshunter.io/ios/app/mtu-arena/id6445824096)

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

**In-app purchases:** none


## Frequently asked questions

### Is LIBRO free?

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

### Is MTU Arena free?

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

### Do LIBRO or MTU Arena have ads?

Neither LIBRO nor MTU Arena shows ads.

### Which is updated more often, LIBRO or MTU Arena?

LIBRO ships an update every 7 months, and MTU Arena every 6 weeks. Most recently, LIBRO was updated on October 7, 2026 and MTU Arena on September 20, 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.*