# Active iTrain vs PKU Bite

Active iTrain and PKU Bite 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.

Active iTrain ships an update monthly, PKU Bite every 4 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | Active iTrain | PKU Bite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 40 MB | 45 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Fit Cloud Technology Limited](https://appshunter.io/developer/1079311129) | [Imobisoft Ltd](https://appshunter.io/developer/449816364) |

## What reviewers say

### Active iTrain

[App page](https://appshunter.io/ios/app/active-itrain/id1505293042)

**Features:** Vision Pro support

**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 Active iTrain free?

Active iTrain 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 Active iTrain or PKU Bite have ads?

Neither Active iTrain nor PKU Bite shows ads.

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

Active iTrain ships an update monthly, and PKU Bite every 4 weeks. Most recently, Active iTrain was updated on September 10, 2026 and PKU Bite on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*