# String Master vs StringTension

The clearest difference is in-app purchases: String Master at none against StringTension's 3. String Master also leads on iOS requirement (15.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. StringTension sells 3 in-app purchases, starting at $0.99 per month. String Master asks for nothing beyond the download.

## The numbers

| Metric | String Master | StringTension |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/string-master-tennis-log/id6757102423/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 71 MB | 4 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ORYONG KIM](https://appshunter.io/developer/1864541863) | [Shenzhen Huopu Software Co., Ltd.](https://appshunter.io/developer/1893871919) |

## What reviewers say

### String Master

[App page](https://appshunter.io/ios/app/string-master-tennis-log/id6757102423)

Optimize your tennis game by precisely tracking string tension and durability. Record every restring, analyze string performance, and discover the best setups for your playstyle. Never guess about your strings again.

**Highlights:** Smart Restring logging, Custom string input, Smart String Finder, Restring reminders, Detailed logs and history, Hybrid setup support

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

**In-app purchases:** none


### StringTension

[App page](https://appshunter.io/ios/app/stringtension/id6761807131)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StringTension Pro (Monthly) | $0.99 | per month |
| StringTension Pro (Yearly) | $5.99 | per year |
| StringTension Pro (Lifetime) | $11.99 | one-time |


## Frequently asked questions

### Is String Master free?

String Master is free to download, with no in-app purchases.

### Is StringTension free?

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

### Do String Master or StringTension have ads?

Neither String Master nor StringTension shows ads.

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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.*