# 3T vs Sit Trening

The clearest difference is update cadence: Sit Trening at fortnightly against 3T's every 3 months. 3T's advantage is iOS requirement (13.4 vs 15.6). 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.

3T ships an update every 3 months, Sit Trening fortnightly. The most recent releases landed on June 5, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 3T | Sit Trening |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/3t/id456943404/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 46 MB | 82 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3T-Produkter Holding AS](https://appshunter.io/developer/1719791748) | [Sit Studentsamskipnaden i Gjovik, Alesund og Trondheim](https://appshunter.io/developer/1538788523) |

## What reviewers say

### 3T

[App page](https://appshunter.io/ios/app/3t/id456943404)

Easily book and manage your classes at 3T fitness centers. You can reserve spots, cancel bookings, join waitlists, and view your schedule. Integrates with your phone's calendar for convenience.

**Highlights:** Book classes, Cancel bookings, Join waitlists, View booked classes, Add bookings to calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### Sit Trening

[App page](https://appshunter.io/ios/app/sit-trening/id6499204129)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3T free?

3T is free to download, with no in-app purchases.

### Is Sit Trening free?

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

### Do 3T or Sit Trening have ads?

Neither 3T nor Sit Trening shows ads.

### Which is updated more often, 3T or Sit Trening?

3T ships an update every 3 months, and Sit Trening fortnightly. Most recently, 3T was updated on June 5, 2026 and Sit Trening on September 13, 2026.

---

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