# Briffidi SW1 vs String Master

The clearest difference is update cadence: String Master at weekly against Briffidi SW1's every 3 months. Briffidi SW1's advantage is iOS requirement (13.2 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Briffidi SW1 against 5.0 for String Master. Both are backed by a comparable volume of ratings — 7 and 8 respectively.

Briffidi SW1 ships an update every 3 months, String Master weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Briffidi SW1 | String Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/briffidi-sw1/id1569982821/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/string-master-tennis-log/id6757102423/reviews) |
| Number of ratings | 7 | **8** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 26 MB | 79 MB |
| Requires iOS | **13.2** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Briffidi, LLC](https://appshunter.io/developer/1538371632) | [ORYONG KIM](https://appshunter.io/developer/1864541863) |

## What reviewers say

### Briffidi SW1

[App page](https://appshunter.io/ios/app/briffidi-sw1/id1569982821)

This is the companion application for the Briffidi SW1 Swingweight Machine. It enhances the functionality of the physical device.

**Highlights:** Companion app functionality, Enhances SW1 machine, Sports training support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Briffidi SW1 free?

Briffidi SW1 is free to download, with no in-app purchases.

### Is String Master free?

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

### Which has better reviews, Briffidi SW1 or String Master?

Briffidi SW1 and String Master are both rated 5.0 out of 5 on the App Store, from 7 and 8 ratings respectively.

### Do Briffidi SW1 or String Master have ads?

Neither Briffidi SW1 nor String Master shows ads.

### Which is updated more often, Briffidi SW1 or String Master?

Briffidi SW1 ships an update every 3 months, and String Master weekly. Most recently, Briffidi SW1 was updated on November 3, 2026 and String Master on October 30, 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.*