# ErgData vs Fluid Connect

The clearest difference is review sentiment: ErgData at 47% against Fluid Connect's 7%. ErgData also leads on update cadence (fortnightly vs every 7 months). Fluid Connect's advantage is iOS requirement (14.0 vs 16.0). 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.

ErgData ships an update fortnightly, Fluid Connect every 7 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ErgData | Fluid Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.4K ratings)](https://appshunter.io/ios/app/ergdata/id561716382/reviews)** | — |
| Number of ratings | **6.4K** | — |
| Positive reviews | **47.2% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free | Free |
| Size | 75 MB | 26 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Concept2, Inc.](https://appshunter.io/developer/446481798) | [FIRST DEGREE FITNESS LIMITED](https://appshunter.io/developer/1449683561) |

## What reviewers say

### ErgData

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

This training partner app allows you to set up and track workouts from your phone or tablet. View customized stats, monitor progress, and sync data with your Concept2 Online Logbook. It offers detailed post-workout analysis and optional voice guidance.

**Highlights:** Workout setup and customization, Real-time workout stats, Progress tracking, Sync with Concept2 Logbook, Post-workout analysis, Optional voice guidance, 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


### Fluid Connect

[App page](https://appshunter.io/ios/app/fluid-connect/id1514909463)

Record and review your rowing workouts with various styles like HIIT and distance challenges. Track session statistics, view charts, and monitor your total distance, time, and calories burned. The app also supports automatic firmware updates for compatible rowers.

**Highlights:** Bluetooth FTMS protocol communication, Multiple workout styles (Just Row, Target Distance, Target Time, HIIT), Session statistics and charts, Sortable workout history, Odometer for total metrics, Automatic firmware updates

**In-app purchases:** none


## Frequently asked questions

### Is ErgData free?

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

### Is Fluid Connect free?

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

### Do ErgData or Fluid Connect have ads?

Neither ErgData nor Fluid Connect shows ads.

### Which is updated more often, ErgData or Fluid Connect?

ErgData ships an update fortnightly, and Fluid Connect every 7 months. Most recently, ErgData was updated on November 11, 2026 and Fluid Connect on November 7, 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.*