# UN1T Class Booking vs VO2

The clearest difference is iOS requirement: UN1T Class Booking at 13.5 against VO2's 15.6. 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.

UN1T Class Booking ships an update every 5 months, VO2 every 4 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UN1T Class Booking | VO2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/un1t-class-booking/id1532075895/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 13 MB | 31 MB |
| Requires iOS | **13.5** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pico Fitness Holdings Ltd](https://appshunter.io/developer/1532075897) | [V O TWO GYM](https://appshunter.io/developer/1782086395) |

## What reviewers say

### UN1T Class Booking

[App page](https://appshunter.io/ios/app/un1t-class-booking/id1532075895)

Easily book fitness classes and manage your entire fitness journey from your device. Make reservations, join waitlists, purchase class packages, and track your membership status. Stay informed about the latest offerings and services.

**Highlights:** Book classes easily, Manage fitness experience, Join waitlists, Purchase class packages, Check profile and membership, Stay updated on services

**Features:** macOS Compatibility

**In-app purchases:** none


### VO2

[App page](https://appshunter.io/ios/app/vo2/id6738731923)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UN1T Class Booking free?

UN1T Class Booking is free to download, with no in-app purchases.

### Is VO2 free?

VO2 is free to download, with no in-app purchases.

### Do UN1T Class Booking or VO2 have ads?

Neither UN1T Class Booking nor VO2 shows ads.

### Which is updated more often, UN1T Class Booking or VO2?

UN1T Class Booking ships an update every 5 months, and VO2 every 4 months. Most recently, UN1T Class Booking was updated on November 3, 2026 and VO2 on October 25, 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.*