Comparison

ErgData vs Hydrow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Hydrow

Access over 5,000 on-and-off rower workouts led by elite athletes filmed in beautiful locations. Track performance, connect with a community, and share achievements. Compatible with Concept2 PM5 rowers for integrated metrics and leaderboards.

Highlights
  • 5,000+ on-and-off rower workouts
  • Elite athlete instructors
  • Global scenic filming locations
  • Performance tracking
  • Rowing community features
  • Strava and Apple Health integration
  • Concept2 PM5 rower compatibility
Features
Read full description

Hydrow offers more than just a full-body workout – access over 5,000 on-and-off rower workouts led by elite athletes and filmed in stunning locations around the globe. Feature overview: • Track your performance and stay connected to a passionate rowing community: cheer on fellow rowers, form racing teams, and review racing stats • Share your achievements on Strava • Apple Health integration for further personalization • Now compatible with Concept2 PM5 rowers, Hydrow offers serious rowers the variety they seek, allowing you to pair your iPhone or iPad for in-workout rowing metrics and participate in competitive leaderboards Whether you aim to build strength, improve endurance, or perfect your technique, Hydrow delivers the benefits of rowing wherever you are.

Screenshots

ErgData4 screens
Hydrow4 screens

Verdict

The call

The clearest difference is in-app purchases: ErgData at none against Hydrow's 1. ErgData also leads on iOS requirement (16.0 vs 18.6). Hydrow's advantage is review sentiment (59% vs 45%). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hydrow sells 1 in-app purchase, starting at $29.99 per month. ErgData asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for ErgData against 4.8 for Hydrow. Both are backed by a comparable volume of ratings — 5.1K and 3.3K respectively. Written reviews are what separate them: 45% of ErgData's written reviews are positive against 59% of Hydrow's.

UpkeepUpdate frequency

ErgData ships an update every 2 weeks, Hydrow every 3 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
ErgData versus Hydrow: the parameters behind the verdict, then further details
ParameterErgDataHydrow
PriceFreeFree
Rating4.7 (5.1K ratings)4.8 (3.3K ratings) — better
Positive reviews45.4% of reviews59.2% of reviews — better
Number of ratings5.1K — better3.3K
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS16.0 — better18.6
Further details — not scored
Size74 MB188 MB
Age rating4+4+
DeveloperConcept2, Inc.Hydrow, Inc.

Customer experience

ErgData

All ratings5,055 ratings
Positive93.0%
Neutral1.6%
Negative5.4%
Written reviews678 reviews
Positive45.4%
Neutral11.2%
Negative43.4%

Hydrow

All ratings3,327 ratings
Positive96.4%
Neutral1.7%
Negative2.0%
Written reviews103 reviews
Positive59.2%
Neutral18.4%
Negative22.3%

User reviews

ErgData

From 5.1K App Store ratings

What 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

Hydrow

From 3.3K App Store ratings

What we love

  • 🚀 Smooth motion
  • 🚀 Engaging video coaching
  • 👍 Variety of workouts
  • 👍 Motivating instructors
  • 👍 Convenient for travel

Room to improve

  • 🐛 App issues (no iPad support, audio sync, etc.)
  • 🔒 Lack of account management features
  • 💰 Expensive subscription cost
  • 💰 Requires expensive rower hardware

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 more
  • 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 more
  • Add recovery heart rate tracking
  • Display METS data
  • Allow custom heart rate zones in logbook

Hydrow

Reported bugs

3 issues
  • App crashes during workouts
  • Difficulty logging in or syncing account
  • Inconsistent video/audio quality

Requested features

4 requests
  • Ability to search/filter workouts
  • More data analytics and tracking
  • Integration with other fitness devices/apps
  • Ability to manage account on app/website

In-app purchases

None

ErgData

No in-app purchases

1 purchases

Hydrow

Subscriptions1
  • Digital Basic1 Month trial$29.991 Month

Questions

Is ErgData free?
ErgData is free to download, with no in-app purchases.
Is Hydrow free?
Hydrow is free to download, with in-app purchases available.
Which has better reviews, ErgData or Hydrow?
Hydrow is rated higher. ErgData averages 4.7 out of 5 from 5.1K ratings, while Hydrow averages 4.8 from 3.3K ratings.
Do ErgData or Hydrow have ads?
Neither ErgData nor Hydrow shows ads.
Which is updated more often, ErgData or Hydrow?
ErgData ships an update every 2 weeks, and Hydrow every 3 weeks. Most recently, ErgData was updated on October 13, 2026 and Hydrow on October 11, 2026.

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