# Hiron vs TriSync

The clearest difference is in-app purchases: Hiron at none against TriSync's 2. Hiron also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TriSync sells 2 in-app purchases, starting at $9.99 per 7 days. Hiron asks for nothing beyond the download.

Hiron ships an update every 2 days, TriSync every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hiron | TriSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 70 MB | 63 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIRON P S A](https://appshunter.io/developer/1896747032) | [Eric Guan](https://appshunter.io/developer/1785943658) |

## What reviewers say

### Hiron

[App page](https://appshunter.io/ios/app/hiron/id6770486416)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### TriSync

[App page](https://appshunter.io/ios/app/trisync-triathlon-training/id6790627390)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TriSync Weekly 2 | $9.99 | per 7 days |
| TriSync Yearly 2 | $79.99 | per year |


## Frequently asked questions

### Is Hiron free?

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

### Is TriSync free?

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

### Do Hiron or TriSync have ads?

Neither Hiron nor TriSync shows ads.

### Which is updated more often, Hiron or TriSync?

Hiron ships an update every 2 days, and TriSync every 3 weeks. Most recently, Hiron was updated on October 28, 2026 and TriSync on October 24, 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.*