# Union Three vs Seriously Strong Training App

The clearest difference is ratings volume: Union Three at 259 against Seriously Strong Training App's 20. Union Three also leads on update cadence (every 3 weeks vs every 6 weeks). Seriously Strong Training App's advantage is monetization model (free vs ad-supported) and device support (4 vs 1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Union Three against 5.0 for Seriously Strong Training App. That said, the two scores are not equally well evidenced: Union Three has 259 ratings behind it against 20, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Union Three ships an update every 3 weeks, Seriously Strong Training App every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Union Three | Seriously Strong Training App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (259 ratings)](https://appshunter.io/ios/app/union-three/id1477343238/reviews) | **[5.0 (20 ratings)](https://appshunter.io/ios/app/seriously-strong-training-app/id6469570022/reviews)** |
| Number of ratings | **259** | 20 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 170 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mariana Tek Corporation](https://appshunter.io/developer/1178746980) | [Seriously Strong Training LLC](https://appshunter.io/developer/1712196071) |

## What reviewers say

### Union Three

[App page](https://appshunter.io/ios/app/union-three/id1477343238)

This app provides a platform for managing your fitness profile and booking classes. It fosters a supportive community focused on self-acceptance and personal growth through various fitness activities.

**Highlights:** Profile management, Class booking, Class reservations, Community connection, Fitness transformation

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

**In-app purchases:** none


### Seriously Strong Training App

[App page](https://appshunter.io/ios/app/seriously-strong-training-app/id6469570022)

Access personalized workout programs and track your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach guidance. Join communities for motivation and earn badges for achievements.

**Highlights:** Access training plans, Track workouts and meals, Follow exercise videos, Monitor daily habits, Set and track goals, Message your coach, Join digital communities

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Union Three free?

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

### Is Seriously Strong Training App free?

Seriously Strong Training App is free to download, with no in-app purchases.

### Which has better reviews, Union Three or Seriously Strong Training App?

Seriously Strong Training App is rated higher. Union Three averages 5.0 out of 5 from 259 ratings, while Seriously Strong Training App averages 5.0 from 20 ratings.

### Do Union Three or Seriously Strong Training App have ads?

Neither Union Three nor Seriously Strong Training App shows ads.

### Which is updated more often, Union Three or Seriously Strong Training App?

Union Three ships an update every 3 weeks, and Seriously Strong Training App every 6 weeks. Most recently, Union Three was updated on October 23, 2026 and Seriously Strong Training App 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.*