# Body+ Measurement Tracker vs Hydrai

The clearest difference is in-app purchases: Body+ Measurement Tracker at none against Hydrai's 2. Hydrai's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Hydrai sells 2 in-app purchases, starting at $0.99 per 7 days. Body+ Measurement Tracker asks for nothing beyond the download.

Body+ Measurement Tracker ships an update monthly, Hydrai every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Body+ Measurement Tracker | Hydrai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 6 MB | 35 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alien Toes AB](https://appshunter.io/developer/554736345) | [Kenny Kronholm](https://appshunter.io/developer/1536322233) |

## What reviewers say

### Body+ Measurement Tracker

[App page](https://appshunter.io/ios/app/body-plus-measurement-tracker/id6736954700)

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

**In-app purchases:** none


### Hydrai

[App page](https://appshunter.io/ios/app/hydrai/id6748283922)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |


## Frequently asked questions

### Is Body+ Measurement Tracker free?

Body+ Measurement Tracker is free to download, with no in-app purchases.

### Is Hydrai free?

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

### Do Body+ Measurement Tracker or Hydrai have ads?

Neither Body+ Measurement Tracker nor Hydrai shows ads.

### Which is updated more often, Body+ Measurement Tracker or Hydrai?

Body+ Measurement Tracker ships an update monthly, and Hydrai every 2 weeks. Most recently, Body+ Measurement Tracker was updated on October 27, 2026 and Hydrai on October 25, 2026.

---

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