# Weighback vs CTS ActivityLab

The clearest difference is update cadence: CTS ActivityLab at every 2 days against Weighback's every 3 weeks. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Weighback sells 1 one-off in-app purchase and CTS ActivityLab sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Weighback against 5.0 for CTS ActivityLab. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Weighback ships an update every 3 weeks, CTS ActivityLab every 2 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Weighback | CTS ActivityLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/weighback/id6773008122/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cts-activitylab/id6786826686/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 1 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Brian Jackson](https://appshunter.io/developer/6773008124) | [CTS Media Group LLC](https://appshunter.io/developer/6786826688) |

## What reviewers say

### Weighback

[App page](https://appshunter.io/ios/app/weighback/id6773008122)

This app helps you track your weight by analyzing your history from Apple Health. It identifies meaningful goals based on past readings and presents them as achievable milestones. The app focuses on privacy, keeping all your data on your device.

**Highlights:** Reads weight from Apple Health, Identifies historical weight goals, Presents goals as a milestone staircase, Shows all-time low and peak weight, Displays date of current weight history, Zoomable historical weight chart

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |


### CTS ActivityLab

[App page](https://appshunter.io/ios/app/cts-activitylab/id6786826686)

Analyze detailed fitness data from various sports devices. Compare multiple activities, inspect GPS accuracy, and visualize routes and statistics with powerful charts. Gain insights beyond basic watch metrics.

**Highlights:** Compare multiple activities side-by-side, Import activities from Apple Health, Analyze GPS accuracy and track quality, Inspect elevation and altitude data, Review sensor metrics (heart rate, pace, etc.), Visualize routes and statistics with charts, Compare device accuracy with custom algorithm

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CTS ActiveLab Monthly | $1.99 | per month |


## Frequently asked questions

### Is Weighback free?

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

### Is CTS ActivityLab free?

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

### Which has better reviews, Weighback or CTS ActivityLab?

Weighback and CTS ActivityLab are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Weighback or CTS ActivityLab have ads?

Neither Weighback nor CTS ActivityLab shows ads.

### Which is updated more often, Weighback or CTS ActivityLab?

Weighback ships an update every 3 weeks, and CTS ActivityLab every 2 days. Most recently, Weighback was updated on October 8, 2026 and CTS ActivityLab on October 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.*