# String Master vs RacketLog

The clearest difference is in-app purchases: String Master at none against RacketLog's 1. String Master also leads on iOS requirement (15.6 vs 18.5). RacketLog's advantage is update cadence (daily vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. RacketLog sells 1 in-app purchase, starting at $14.99 per year. String Master asks for nothing beyond the download.

String Master ships an update weekly, RacketLog daily. The most recent releases landed on September 14, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | String Master | RacketLog |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free | — |
| Size | 71 MB | 5 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ORYONG KIM](https://appshunter.io/developer/1864541863) | [FrearBros Labs USA Inc.](https://appshunter.io/developer/1833510300) |

## 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


### RacketLog

[App page](https://appshunter.io/ios/app/racketlog/id6759014238)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RacketLog Premium | $14.99 | per year |


## Frequently asked questions

### Is String Master free?

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

### Is RacketLog free?

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

### Do String Master or RacketLog have ads?

Neither String Master nor RacketLog shows ads.

### Which is updated more often, String Master or RacketLog?

String Master ships an update weekly, and RacketLog daily. Most recently, String Master was updated on September 14, 2026 and RacketLog on August 20, 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.*