# iyizen vs Antrio

The clearest difference is update cadence: Antrio at every 3 days against iyizen's every 3 weeks. Antrio also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iyizen sells 6 in-app purchases, starting at $14.99 per month and Antrio sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

iyizen ships an update every 3 weeks, Antrio every 3 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iyizen | Antrio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 34 MB | 57 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Melih Colpan](https://appshunter.io/developer/1870403430) | [inciStudio LLC](https://appshunter.io/developer/1744704267) |

## What reviewers say

### iyizen

[App page](https://appshunter.io/ios/app/iyizen/id6758259398)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlete Pro Monthly | $14.99 | per month |
| Trainer Starter Monthly | $19.99 | per month |
| Trainer Unlimited Monthly | $29.99 | per month |
| Athlete Pro Yearly | $99.99 | per year |
| Trainer Starter Yearly | $149.99 | per year |
| Trainer Unlimited Yearly | $229.99 | per year |


### Antrio

[App page](https://appshunter.io/ios/app/antrio-gym-workout-tracker/id6792525504)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Antrio Pro | $9.99 | per month |
| Antrio Pro | $49.99 | per year |


## Frequently asked questions

### Is iyizen free?

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

### Is Antrio free?

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

### Do iyizen or Antrio have ads?

Neither iyizen nor Antrio shows ads.

### Which is updated more often, iyizen or Antrio?

iyizen ships an update every 3 weeks, and Antrio every 3 days. Most recently, iyizen was updated on October 25, 2026 and Antrio on October 14, 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.*