# ErgData vs Rogue App

The clearest difference is rating: ErgData at 4.7 against Rogue App's 2.9. ErgData also leads on review sentiment (45% vs 18%) and ratings volume (5.1K vs 39). 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.

ErgData holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: ErgData has 5.1K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 45% of ErgData's written reviews are positive against 18% of Rogue App's.

ErgData ships an update every 2 weeks, Rogue App fortnightly. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ErgData | Rogue App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.1K ratings)](https://appshunter.io/ios/app/ergdata/id561716382/reviews)** | [2.9 (39 ratings)](https://appshunter.io/ios/app/rogue-app/id1106322870/reviews) |
| Number of ratings | **5.1K** | 39 |
| Positive reviews | **45.4% of reviews** | 17.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 74 MB | 51 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Concept2, Inc.](https://appshunter.io/developer/446481798) | [Rogue Fitness](https://appshunter.io/developer/981786288) |

## What reviewers say

### ErgData

[App page](https://appshunter.io/ios/app/ergdata/id561716382)

This app acts as a personal training partner for Concept2 equipment. It allows users to set up custom workouts, view real-time stats, track progress, and sync data with online platforms. It also offers workout of the day challenges and detailed post-workout analysis.

**Highlights:** Custom workout setup, Real-time workout stats, Progress tracking, Sync with Concept2 Logbook, Workout of the Day, Post-workout analysis, Apple Watch compatibility

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Excellent stats
- 👍 Easy to use
- 👍 Seamless sync with Concept2 logbook
- 👍 Customizable heart rate zones

**What reviewers complain about**

- 🐛 Connection issues with PM5
- 🐛 Unreliable heart rate monitoring
- 🐛 Sync issues with Apple Health
- 🐛 Crashes and data loss
- 🐛 Frequent disconnections

**Reported bugs**

- Workout data not saving
- Heart rate data freezing
- Disconnects during workouts
- Sync issues with Apple Health and Strava
- Login issues and frequent logouts

**Requested features**

- Add friend mode
- Integrate Apple Watch support
- Add manual workout entry
- Implement landscape mode for iPad
- Integrate pace calculator


### Rogue App

[App page](https://appshunter.io/ios/app/rogue-app/id1106322870)

This app integrates fitness tracking, equipment management, and shopping for athletic gear. Monitor your Rogue machines live, log workouts, access training programs, and manage orders seamlessly. Stay updated on new product releases and track your progress with detailed analytics.

**Highlights:** Live machine activity monitoring, Workout logging and history, Custom workout creation, Training program access, Order tracking and management, New product release alerts, In-app timer controls

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ErgData free?

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

### Is Rogue App free?

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

### Which has better reviews, ErgData or Rogue App?

ErgData is rated higher. ErgData averages 4.7 out of 5 from 5.1K ratings, while Rogue App averages 2.9 from 39 ratings.

### Do ErgData or Rogue App have ads?

Neither ErgData nor Rogue App shows ads.

### Which is updated more often, ErgData or Rogue App?

ErgData ships an update every 2 weeks, and Rogue App fortnightly. Most recently, ErgData was updated on September 23, 2026 and Rogue App on September 19, 2026.

---

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