# Trion vs Atom

The clearest difference is review sentiment: Trion at 81% against Atom's 25%. Trion also leads on rating (5.0 vs 3.5) and ratings volume (9 vs 2). Atom's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Trion sells 6 in-app purchases, starting at $9.49 per month. Atom asks for nothing beyond the download.

Trion holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 81% of Trion's written reviews are positive against 25% of Atom's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Trion | Atom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/trion-workouts-improved/id1327412701/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/atom/id1418360229/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | **80.8% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 65 MB | 80 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Health Innovation by Trion AB](https://appshunter.io/developer/1361536576) | [Edgar Barba](https://appshunter.io/developer/1418360228) |

## What reviewers say

### Trion

[App page](https://appshunter.io/ios/app/trion-workouts-improved/id1327412701)

This app offers personalized workout plans tailored to your fitness level, goals, and preferences. It provides exercise instruction videos, allows for flexible workout locations and times, and includes gamification to track progress. Specialized programs are available for specific sports.

**Highlights:** Smart workout generator, Personalized training plans, Exercise instruction videos, Workout anywhere, anytime, Gamification system, Apple Health integration, Sport-specific training

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $9.49 | per month |
| 3 months | $21.99 | per 3 months |
| 1 month | $22.99 | per month |
| 3 months | $45.99 | per 3 months |
| 12 months | $69.99 | per year |
| 12 months | $109.99 | per year |


### Atom

[App page](https://appshunter.io/ios/app/atom/id1418360229)

This platform helps fitness centers attract and retain clients by creating measurable goals and challenges. It enables personalized routine creation, real-time progress tracking with smart devices, and automated check-ins. Users can sync data with Apple Health for more accurate insights.

**Highlights:** Client acquisition and retention tools, Goal and challenge creation, Real-time progress tracking, Personalized routine builder, Automated check-ins, Apple Health integration

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Trion free?

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

### Is Atom free?

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

### Which has better reviews, Trion or Atom?

Trion is rated higher. Trion averages 5.0 out of 5 from 9 ratings, while Atom averages 3.5 from 2 ratings.

### Do Trion or Atom have ads?

Trion shows ads; Atom does not.

### Which is updated more often, Trion or Atom?

Trion ships an update every 2 months, and Atom every 2 months. Most recently, Trion was updated on October 7, 2026 and Atom on October 1, 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.*