ErgData vs RowingCoach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ErgData
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.
- Custom workout setup
- Real-time workout stats
- Progress tracking
- Sync with Concept2 Logbook
- Workout of the Day
- Post-workout analysis
- Apple Watch compatibility
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ErgData from Concept2 is your personal training partner. Set up workouts from your phone or tablet, view customized stats and information during workouts, track your progress, sync with the Concept2 Online Logbook, take part in the Workout of the Day and much more. Features -Set up workouts from your phone, making it simple to create even the most complex of interval workouts. You can choose to store workouts as favorites or rerow past efforts straight from ErgData. -Set the Concept2 Workout of the Day on the monitor with a single tap. -Compatible with the Apple Watch. Watch users can now see real-time heart rate data on the screen during the workout and in analysis afterwards. -Choose from different workout display options, including small, medium and large data screens, a pace graph screen, an interval and split table or a pace boat. Easily swipe between screens during your workout. Customize the data shown to suit you. -Syncs with the Concept2 Online Logbook, making it easy for you to take part in our many challenges. From the Online Logbook, your workouts can get sent to platforms such as Strava, Garmin Connect or Training Peaks. -Detailed post-workout analysis helps you know exactly what happened during your workout. See all your interval and split data, as well as pace and rate graphs, plus how long you spent in each heart rate zone. -Optional voice guidance to send audible workout data and results. Technical Specifications -Compatible with the PM5. -Compatible with the Concept2 RowErg, SkiErg and BikeErg -Connects to Apple Health -Connects to PM5 via Bluetooth only Note: Please do not have a USB stick in the PM5 at the same time as using ErgData, as this may prevent workouts being saved.
RowingCoach
Track your rowing sessions on land or water with detailed metrics like stroke rate, distance, pace, and calories burned. Use your iPhone or Apple Watch independently or together for flexible workout recording and progress analysis. Syncs with iCloud and Apple Health, and exports to popular fitness platforms.
- Track stroke rate, distance, pace, pulse, and calories
- Use iPhone or Apple Watch for recording
- Siri integration for workout control
- Automatic stroke detection
- Workout display on map
- Export to Strava, TrainingPeaks, and more
- iCloud synchronization
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RowingCoach, available also for the Apple Watch, allows you to track your rowing sessions, compare your workouts and see your overall progress – whether you train on land or on water. == RowingCoach displays the following metrics: • Your current and overall stroke rate (SPM) • The distance covered • Your current and overall pace • Your pulse • Your calories burned == Use the app as suits you best: • Track your session on the iPhone • Only use your Apple Watch to record the training (and leave your iPhone onshore!) • Use the iPhone as display for your Apple Watch recording. Very useful for indoor rowing. == RowingCoach also offers these features: • Use Siri to start and stop your workout • Automatic Stroke detection • Get notified after a certain distance covered, strokes reached or time passed • Display your workout on a map • Speed/pulse shown in color-coding • Share your rowing track with iMessage • Weather conditions are recorded for outdoor workouts • iCloud synchronisation: Have your workouts on all your devices. • Apple Health App integration • Watch Complication: See your weekly progress at a glance • Use Force Touch in the Watch app to quickly start and stop a workout • Today Widget: See your weekly and monthly progress from the Today screen • Add notes (to remember who was cox for example) == Export and upload your workouts to other platforms: • Upload to Strava • Export to RowsAndAll • Upload to MapMyFitness • Upload to TrainingPeaks • Upload to Concept2 Logbook • Upload to Intervals.icu External bluetooth heart rate monitors are supported. If you want to export your workouts via e-mail or want to record more than 3 workouts - you can get to a subscription right in the app.
Screenshots
Verdict
The clearest difference is rating: ErgData at 4.7 against RowingCoach's 3.3. ErgData also leads on in-app purchases (none vs 3) and ratings volume (5.1K vs 117). On price, review sentiment, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RowingCoach sells 3 one-off in-app purchases. ErgData asks for nothing beyond the download.
ErgData holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: ErgData has 5.1K ratings behind it against 117, 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 38% of RowingCoach's.
ErgData ships an update every 2 weeks, RowingCoach every 2 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | ErgData | RowingCoach |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5.1K ratings) — better | 3.3 (117 ratings) |
| Positive reviews | 45.4% of reviews — better | 38.4% of reviews |
| Number of ratings | 5.1K — better | 117 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 74 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Concept2, Inc. | Gunther Cronenberg |
Customer experience
ErgData
RowingCoach
User reviews
ErgData
From 5.1K App Store ratingsWhat we love
- 🚀 Great app
- 👍 Excellent stats
- 👍 Easy to use
- 👍 Seamless sync with Concept2 logbook
- 👍 Customizable heart rate zones
Room to improve
- 🐛 Connection issues with PM5
- 🐛 Unreliable heart rate monitoring
- 🐛 Sync issues with Apple Health
- 🐛 Crashes and data loss
- 🐛 Frequent disconnections
RowingCoach
From 117 App Store ratingsWhat we love
- ⌚ Excellent Apple Watch integration
- 🗺️ Accurate GPS tracking for on-water rowing
- ❤️ Heart rate monitoring functionality
- 📊 Comprehensive workout statistics and metrics
- 🔄 Seamless syncing with Apple Health
Room to improve
- 🐛 Frequent crashes and freezes
- 📏 Inaccurate distance estimation (especially indoors)
- ⚠️ Strokes per minute (SPM) consistently underreported
- 🔋 Excessive battery drain on Apple Watch
- ❌ Data loss after pausing workouts
Bugs and requests
ErgData
Reported bugs
6 issues- Workout data not saving
- Heart rate data freezing
- Disconnects during workouts
- Sync issues with Apple Health and Strava
- Login issues and frequent logouts
Show 1 moreShow fewer
- Incompatibility with older firmware versions
Requested features
8 requests- Add friend mode
- Integrate Apple Watch support
- Add manual workout entry
- Implement landscape mode for iPad
- Integrate pace calculator
Show 3 moreShow fewer
- Add recovery heart rate tracking
- Display METS data
- Allow custom heart rate zones in logbook
RowingCoach
Reported bugs
20 issues- Distance resets to zero when workout is paused
- SPM not displaying in real-time during workouts
- App crashes when receiving phone calls
- GPS tracking stops working after iOS updates
- Stroke count significantly underreported (off by 30-50%)
Show 15 moreShow fewer
- Distance values wildly inaccurate (2-3x actual distance)
- Workouts not appearing in app history despite being tracked
- Subscription validation fails on Apple Watch
- App hangs on workout start
- Data not uploading to Apple Health
- Clock overlay blocking metrics on Apple Watch
- Display elements overlapping when phone is rotated
- SPM showing zero for entire workouts
- Metrics switching between metric and imperial units mid-workout
- App freezing when trying to save workouts
- PM5 connection showing as connected but not syncing data
- Strava export missing distance data for indoor rows
- Watch app not appearing after installation
- Contact/feedback link in app not functional
- Inconsistent heart rate detection
Requested features
18 requests- Calibration settings for different rowing machines
- Automatic pause/resume detection
- Customizable workout countdown timers
- Bluetooth connectivity for Concept2 PM5
- Improved calorie burn calculations
Show 13 moreShow fewer
- Watt power output calculations
- Distance per stroke efficiency metric
- Audible stroke rate announcements
- Always-on display support for Apple Watch
- Manual workout editing capabilities
- Automatic Strava uploads
- Detailed heart rate and pace graphs
- Training plan integration
- Ghost/challenge mode for self-competition
- Garmin Connect integration
- Multiple language support (French, German)
- Improved watch display optimization for larger screens
- Better contrast for outdoor visibility
In-app purchases
ErgData
No in-app purchases
RowingCoach
- Unltd. recs & export (1 Month)$0.99
- Unltd. recs & export (3 Months)$1.99
- Unltd. recs & export (1 Year)$4.99









