# Gym Tracker vs CTS ActivityLab

The clearest difference is update cadence: CTS ActivityLab at every 2 days against Gym Tracker's every 2 months. CTS ActivityLab also leads on monetization model (freemium vs paid) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Gym Tracker sells 2 one-off in-app purchases 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 Gym Tracker against 5.0 for CTS ActivityLab. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Gym Tracker ships an update every 2 months, CTS ActivityLab every 2 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gym Tracker | CTS ActivityLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gym-tracker-hybrid/id6744580206/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cts-activitylab/id6786826686/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 9 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Dor Yaloz](https://appshunter.io/developer/1808280366) | [CTS Media Group LLC](https://appshunter.io/developer/6786826688) |

## What reviewers say

### Gym Tracker

[App page](https://appshunter.io/ios/app/gym-tracker-hybrid/id6744580206)

This workout logger helps you track your gym progress with features like previous set recall and weekly volume tracking. It offers AI-generated routines and mesocycle planning to optimize your training. The app works offline and supports various workout splits and styles.

**Highlights:** Previous-set recall, Mesocycle planning with deload suggestions, AI workout generator, Excel import for custom programs, Weekly volume tracker, Offline functionality, Supports any split or style

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hybrid Plus Access | $0.99 | one-time |
| Hybrid Plus Access | $19.99 | 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 Gym Tracker free?

Gym Tracker 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, Gym Tracker or CTS ActivityLab?

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

### Do Gym Tracker or CTS ActivityLab have ads?

Neither Gym Tracker nor CTS ActivityLab shows ads.

### Which is updated more often, Gym Tracker or CTS ActivityLab?

Gym Tracker ships an update every 2 months, and CTS ActivityLab every 2 days. Most recently, Gym Tracker was updated on October 7, 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.*