# SwimPro vs Piston

The clearest difference is iOS requirement: SwimPro at 9.1 against Piston's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SwimPro ships an update every 6 weeks, Piston monthly. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SwimPro | Piston |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/piston/id1146341747/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free |
| Size | 84 MB | 113 MB |
| Requires iOS | **9.1** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [RJB Engineering Austrlia Pty Ltd](https://appshunter.io/developer/701106919) | [Super Jump Pty Ltd](https://appshunter.io/developer/892303095) |

## What reviewers say

### SwimPro

[App page](https://appshunter.io/ios/app/swimpro/id1065684509)

**Features:** macOS Compatibility

**In-app purchases:** none


### Piston

[App page](https://appshunter.io/ios/app/piston/id1146341747)

This app facilitates learning and knowledge transfer during training and performances through multi-camera video analysis. It allows for capturing, reviewing, and annotating video from up to 16 cameras simultaneously, with options for live streaming and data export.

**Highlights:** 4K multi-camera capture, Up to 16 cameras simultaneously, Real-time annotation and markup, Drawing tools for highlighting, Live streaming and AWS S3 upload, Live Opta data import

**In-app purchases:** none


## Frequently asked questions

### Is SwimPro free?

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

### Is Piston free?

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

### Do SwimPro or Piston have ads?

Neither SwimPro nor Piston shows ads.

### Which is updated more often, SwimPro or Piston?

SwimPro ships an update every 6 weeks, and Piston monthly. Most recently, SwimPro was updated on September 17, 2026 and Piston on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*