# iSetSquare vs Biokinetics SA

The clearest difference is price: Biokinetics SA at Free against iSetSquare's $1.99. Biokinetics SA also leads on update cadence (every 5 weeks vs every 17 months). iSetSquare's advantage is iOS requirement (9.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Biokinetics SA is free to download; iSetSquare costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSetSquare ships an update every 17 months, Biokinetics SA every 5 weeks. The most recent releases landed on November 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iSetSquare | Biokinetics SA |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/isetsquare/id382820922/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 86.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 13 MB | 121 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Biokinetics Association of South Africa](https://appshunter.io/developer/1807903699) |

## What reviewers say

### iSetSquare

[App page](https://appshunter.io/ios/app/isetsquare/id382820922)

This utility app functions as a digital goniometer, utilizing your device's gyroscope to measure angles and rotations. It offers multiple unit modes, calibration options, and a scrollable ruler for precise measurements.

**Highlights:** Measure relative angles and rotation, 5 Unit modes, Background or foreground display rotation, Gyrometer fine calibration, Motion sensitive or manual lock mode, Scrollable ruler (inch or cm)

**Features:** macOS Compatibility

**In-app purchases:** none


### Biokinetics SA

[App page](https://appshunter.io/ios/app/biokinetics-sa/id6744488811)

**In-app purchases:** none


## Frequently asked questions

### Is iSetSquare free?

iSetSquare costs $1.99, with no in-app purchases.

### Is Biokinetics SA free?

Biokinetics SA is free to download, with no in-app purchases.

### Do iSetSquare or Biokinetics SA have ads?

Neither iSetSquare nor Biokinetics SA shows ads.

### Which is updated more often, iSetSquare or Biokinetics SA?

iSetSquare ships an update every 17 months, and Biokinetics SA every 5 weeks. Most recently, iSetSquare was updated on November 1, 2026 and Biokinetics SA on October 12, 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.*