# Tennis Setup Tracker vs Tension Lab

The clearest difference is in-app purchases: Tension Lab at none against Tennis Setup Tracker's 2. Tension Lab also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tennis Setup Tracker sells 2 in-app purchases, starting at $1.99 per month. Tension Lab asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Tennis Setup Tracker | Tension Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tennis-setup-tracker/id6757754557/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 76 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Campodonico](https://appshunter.io/developer/1853855515) | [SEOKWON KONG](https://appshunter.io/developer/6803808680) |

## What reviewers say

### Tennis Setup Tracker

[App page](https://appshunter.io/ios/app/tennis-setup-tracker/id6757754557)

This app helps tennis players track their rackets, string jobs, and playing hours with an intuitive interface. It features a unique Tension Lab to measure string tension using sound and a comprehensive database for equipment details.

**Highlights:** Acoustic string tension measurement, Racket and string database, Racquet garage with custom photos, Detailed stringing history, Session and match tracking, Light and Dark Mode UI

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium mensile | $1.99 | per month |
| premium | $9.99 | per year |


### Tension Lab

[App page](https://appshunter.io/ios/app/tension-lab-string-tension/id6803808678)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tennis Setup Tracker free?

Tennis Setup Tracker is free to download, with in-app purchases available.

### Is Tension Lab free?

Tension Lab is free to download, with no in-app purchases.

### Do Tennis Setup Tracker or Tension Lab have ads?

Neither Tennis Setup Tracker nor Tension Lab shows ads.

### Which is updated more often, Tennis Setup Tracker or Tension Lab?

Tennis Setup Tracker ships an update every 4 days, and Tension Lab every 4 days. Most recently, Tennis Setup Tracker was updated on October 31, 2026 and Tension Lab 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.*