# ChallengeGo vs Атом

The clearest difference is review sentiment: ChallengeGo at 91% against Атом's 38%. ChallengeGo also leads on rating (5.0 vs 4.0) and update cadence (every 3 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ChallengeGo holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 91% of ChallengeGo's written reviews are positive against 38% of Атом's.

ChallengeGo ships an update every 3 days, Атом every 2 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ChallengeGo | Атом |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/challengego/id1608138787/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/id1608701054/reviews) |
| Number of ratings | **10** | 3 |
| Positive reviews | **90.9% of reviews** | 38.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 106 MB | 130 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Konstantin Yuzhniy](https://appshunter.io/developer/1565538933) | [Sport vmeste OOO](https://appshunter.io/developer/973915039) |

## What reviewers say

### ChallengeGo

[App page](https://appshunter.io/ios/app/challengego/id1608138787)

This app fosters corporate sports, well-being, and team spirit through engaging challenges. It inspires healthy habits and an active lifestyle via gamified competition, connecting individuals and teams globally. Access expert content, track various activities, and engage with a supportive community.

**Highlights:** Global team challenges, Individual motivation challenges, Corporate sports events, Expert health and nutrition content, In-app community chat, Activity tracking for various sports, Integration with health platforms

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

**In-app purchases:** none


### Атом

[App page](https://appshunter.io/ios/app/id1608701054)

This app is a sports and healthy lifestyle ecosystem for Rosatom employees. It features leaderboards, expert masterclasses, health challenges, and activity tracking. It also integrates with various health platforms and offers personalized health recommendations.

**Highlights:** Division and participant leaderboards, Expert-led health and wellness masterclasses, Health and wellness challenges, Activity tracking and device synchronization, Personalized health index with recommendations, Event calendar for Rosatom well-being programs

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

**In-app purchases:** none


## Frequently asked questions

### Is ChallengeGo free?

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

### Is Атом free?

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

### Which has better reviews, ChallengeGo or Атом?

ChallengeGo is rated higher. ChallengeGo averages 5.0 out of 5 from 10 ratings, while Атом averages 4.0 from 3 ratings.

### Do ChallengeGo or Атом have ads?

Neither ChallengeGo nor Атом shows ads.

### Which is updated more often, ChallengeGo or Атом?

ChallengeGo ships an update every 3 days, and Атом every 2 months. Most recently, ChallengeGo was updated on October 20, 2026 and Атом on October 21, 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.*