# Weight and Body Tracker vs Scalin

The clearest difference is in-app purchases: Weight and Body Tracker at none against Scalin's 2. Weight and Body Tracker also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scalin sells 2 in-app purchases, starting at $4.99 per 7 days. Weight and Body Tracker asks for nothing beyond the download.

Weight and Body Tracker ships an update every 2 weeks, Scalin every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Weight and Body Tracker | Scalin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Subscription |
| Size | 31 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [NICKI MISTARZ PEDERSEN](https://appshunter.io/developer/1865249252) | [Gleb Matsko](https://appshunter.io/developer/6772153044) |

## What reviewers say

### Weight and Body Tracker

[App page](https://appshunter.io/ios/app/weight-and-body-tracker/id6757202464)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scalin

[App page](https://appshunter.io/ios/app/scalin-weight-tracker/id6806648715)

This app helps you track your weight trends with a personalized companion. It offers insights into your progress, allows for detailed logging, and integrates with your health data. Features include shot tracking for GLP-1 users and customizable companion personalities.

**Highlights:** Weight trend analysis, Personalized companion, GLP-1 shot tracking, Apple Health integration, Apple Watch support, Customizable reminders, Data export

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scalin Membership: Weekly | $4.99 | per 7 days |
| Scalin Membership: Yearly | $44.99 | per year |


## Frequently asked questions

### Is Weight and Body Tracker free?

Weight and Body Tracker is free to download, with no in-app purchases.

### Is Scalin free?

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

### Do Weight and Body Tracker or Scalin have ads?

Neither Weight and Body Tracker nor Scalin shows ads.

### Which is updated more often, Weight and Body Tracker or Scalin?

Weight and Body Tracker ships an update every 2 weeks, and Scalin every 10 days. Most recently, Weight and Body Tracker was updated on October 31, 2026 and Scalin on October 31, 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.*