# PKU vs PKU Bite

The clearest difference is in-app purchases: PKU Bite at none against PKU's 1. PKU Bite also leads on update cadence (every 4 weeks vs every 2 months). PKU's advantage is iOS requirement (8.0 vs 15.1). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. PKU sells 1 one-off in-app purchase. PKU Bite asks for nothing beyond the download.

PKU ships an update every 2 months, PKU Bite every 4 weeks. The most recent releases landed on August 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PKU | PKU Bite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/pku/id1046121773/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 45 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Maik Barz](https://appshunter.io/developer/891428102) | [Imobisoft Ltd](https://appshunter.io/developer/449816364) |

## What reviewers say

### PKU

[App page](https://appshunter.io/ios/app/pku/id1046121773)

This app helps individuals manage their Phenylalanine (PHE) intake by tracking food consumption. It allows users to add custom foods, create recipes, and set supplement reminders. A daily overview shows remaining PHE allowance, and a blood value list provides a quick health summary.

**Highlights:** Track Phenylalanine (PHE) intake, Add custom foods and recipes, Daily PHE allowance overview, Supplement reminder alerts, Blood value list, Recipe management with average PHE per 100g

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock premium features | $2.99 | one-time |


### 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 PKU free?

PKU is free to download, with in-app purchases available.

### Is PKU Bite free?

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

### Do PKU or PKU Bite have ads?

Neither PKU nor PKU Bite shows ads.

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

PKU ships an update every 2 months, and PKU Bite every 4 weeks. Most recently, PKU was updated on August 9, 2026 and PKU Bite on September 10, 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.*