# StringTension — Badminton & Tennis Tension

> Badminton & Tennis Tension (iPhone/iPad app by Shenzhen Huopu Software Co., Ltd..)

- Source: https://appshunter.io/ios/app/stringtension/id6761807131 (this page in markdown: same URL + `.md`)
- Developer: [Shenzhen Huopu Software Co., Ltd.](https://appshunter.io/developer/1893871919)
- Category: Sports, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 4 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China)
- Released: 2026-04-09
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/stringtension/id6761807131/reviews.md

## What is StringTension?

StringTension is a professional racket string tension measurement tool. It analyzes the sound frequency produced by tapping the string bed to estimate string tension. Supports both badminton and tennis, helping you track tension changes and find the optimal time to restring.

CORE FEATURES
- Tension Measurement — Tap the strings, get tension data in seconds
- Tension Tracking — Record every measurement, observe tension decay over time
- String Status — Visual indicators show string condition (Good / Monitor / Restring)
- Restring Reminder — Smart reminders based on your detection history

STRINGER TOOLBOX (Member Exclusive)
- Stringing Verification — Compare "machine setting vs actual tension" right after stringing
- Report Cards — Generate stringing reports to share with your clients
- Client Management — Keep local records of client stringing history

RACKET DATABASE
- 100+ popular racket models (YONEX, Li-Ning, Victor, Wilson, HEAD, Babolat, etc.)
- 50+ popular string models
- Continuously updated

SMART RECOMMENDATIONS
- Personalized tension recommendations based on sport, play style, and racket specs
- Tension guide for beginners to find their ideal string tension

MULTILINGUAL
Chinese, English, Japanese, Korean, German, French

NOTE
Measurement results are algorithmic estimates for reference only and cannot replace professional stringing machine readings. Use in a quiet environment for best results.
Terms of Use: https://hk.hkhdtp.com/legal/stringtension-terms.html
Privacy Policy: https://hk.hkhdtp.com/legal/stringtension-privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| StringTension Pro (Monthly) | $0.99 | per month |
| StringTension Pro (Yearly) | $5.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| StringTension Pro (Lifetime) | $11.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-04-09

No release notes.

## Apps similar to StringTension

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [mystrings - Tennis](https://appshunter.io/ios/app/mystrings-tennis/id6670494565) | — | Free | Sports |
| [String GOAT - for tennis](https://appshunter.io/ios/app/string-goat-for-tennis/id6444395925) | 4.1 (8) | Free | Sports |
| [RacketTune](https://appshunter.io/ios/app/rackettune/id6746103106) | 3.5 (2) | Free | Sports |
| [Tennis Strings](https://appshunter.io/ios/app/tennis-strings/id6760190408) | 5.0 (1) | Free | Sports |
| [String Tension AI](https://appshunter.io/ios/app/string-tension-ai/id6763697805) | 5.0 (2) | Free | Sports |
| [RacketLog](https://appshunter.io/ios/app/racketlog/id6759014238) | — | Free | Sports |

## More apps by Shenzhen Huopu Software Co., Ltd.

- [Retro4 - Film Camera](https://appshunter.io/ios/app/retro4-film-camera/id6760303050)
- [AI VoiceType](https://appshunter.io/ios/app/ai-voicetype/id6761058632)
- [OhMyBead](https://appshunter.io/ios/app/ohmybead/id6761826491)
- [OmniPath](https://appshunter.io/ios/app/omnipath/id6762597026)
- [长截屏拼图](https://appshunter.io/ios/app/id6769705497)

All apps by Shenzhen Huopu Software Co., Ltd.: https://appshunter.io/developer/1893871919

## Related topics

[racket tension](https://appshunter.io/ios/topics/racket-tension)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-16.*