# ITZ Athletics vs T1OS

The clearest difference is rating: T1OS at 5.0 against ITZ Athletics's 3.7. T1OS also leads on update cadence (every 2 days vs every 9 months). ITZ Athletics's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

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

T1OS holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ITZ Athletics ships an update every 9 months, T1OS every 2 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ITZ Athletics | T1OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/itz-athletics/id6499323392/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/t1os/id6807931016/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 32 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PTR - In The Zone, LLC](https://appshunter.io/developer/1743186587) | [MARKES JULYUS CRUZ](https://appshunter.io/developer/6807931018) |

## What reviewers say

### ITZ Athletics

[App page](https://appshunter.io/ios/app/itz-athletics/id6499323392)

Easily book fitness classes and manage your membership from your mobile device. Make reservations, join waitlists, and check your profile and membership status on the go.

**Highlights:** Book fitness classes, Manage membership status, Join waitlists, Check profile, Class reservations

**Features:** macOS Compatibility

**In-app purchases:** none


### T1OS

[App page](https://appshunter.io/ios/app/t1os/id6807931016)

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

**In-app purchases:** none


## Frequently asked questions

### Is ITZ Athletics free?

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

### Is T1OS free?

T1OS is free to download, with no in-app purchases.

### Which has better reviews, ITZ Athletics or T1OS?

T1OS is rated higher. ITZ Athletics averages 3.7 out of 5 from 3 ratings, while T1OS averages 5.0 from 1 ratings.

### Do ITZ Athletics or T1OS have ads?

Neither ITZ Athletics nor T1OS shows ads.

### Which is updated more often, ITZ Athletics or T1OS?

ITZ Athletics ships an update every 9 months, and T1OS every 2 days. Most recently, ITZ Athletics was updated on October 27, 2026 and T1OS on October 31, 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.*