# StringTension vs Badminton Speed Meter

The clearest difference is in-app purchases: Badminton Speed Meter at none against StringTension's 3. Badminton Speed Meter also leads on iOS requirement (16.4 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. Badminton Speed Meter asks for nothing beyond the download.

## The numbers

| Metric | StringTension | Badminton Speed Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/badminton-speed-meter/id6778542883/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 4 MB | 30 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Huopu Software Co., Ltd.](https://appshunter.io/developer/1893871919) | [Lifang An](https://appshunter.io/developer/6778542885) |

## What reviewers say

### 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 |


### Badminton Speed Meter

[App page](https://appshunter.io/ios/app/badminton-speed-meter/id6778542883)

Estimate shuttlecock speed from your own badminton training videos. Upload clips, mark the impact point, and get an estimated speed in km/h. Review past analyses and manage your stored videos.

**Highlights:** Estimate shuttle speed from video, Upload training videos for analysis, Mark impact frame and shuttle position, Review past analyses in history, Delete uploaded videos from cloud storage

**In-app purchases:** none


## Frequently asked questions

### Is StringTension free?

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

### Is Badminton Speed Meter free?

Badminton Speed Meter is free to download, with no in-app purchases.

### Do StringTension or Badminton Speed Meter have ads?

Neither StringTension nor Badminton Speed Meter 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.*