# LIBRO vs PKU Bite

The clearest difference is update cadence: PKU Bite at every 4 weeks against LIBRO's every 7 months. On price, review sentiment, ads and in-app purchases 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, PKU Bite every 4 weeks. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | LIBRO | PKU Bite |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 45 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nutritics Limited](https://appshunter.io/developer/1322524426) | [Imobisoft Ltd](https://appshunter.io/developer/449816364) |

## 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


### PKU Bite

[App page](https://appshunter.io/ios/app/pku-bite/id1609993210)

This app helps individuals with phenylketonuria (PKU) manage their low-phenylalanine diet. It provides information on over 1100 foods, categorizing them by protein content and offering recipes and preparation tips. An integrated calculator assists in tracking daily protein intake.

**Highlights:** Food database with over 1100 items, Low-protein, high-protein, and exchangeable food categorization, Traffic light color-coding system, Food preparation and recipe suggestions, In-built protein exchange calculator, Search by food name or category

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

**In-app purchases:** none


## Frequently asked questions

### Is LIBRO free?

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

### Is PKU Bite free?

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

### Do LIBRO or PKU Bite have ads?

Neither LIBRO nor PKU Bite shows ads.

### Which is updated more often, LIBRO or PKU Bite?

LIBRO ships an update every 7 months, and PKU Bite every 4 weeks. Most recently, LIBRO was updated on October 11, 2026 and PKU Bite on September 28, 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.*