Comparison

Row Forge vs Ergometer Space

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

Head to head
About

Row Forge

This app acts as a personal rowing trainer, offering personalized workouts and a scalable training program designed to improve your performance. It tracks your metrics and stats, providing targeted interval training and conditioning programs. Gamified elements like badges add a fun aspect to your fitness journey.

Highlights
  • Personalized signature workouts
  • Targeted High Intensity Interval Training
  • Effective conditioning program
  • Eleven baseline tests
  • Build a performance profile
  • Earn badges
Features
Read full description

YOUR CONCEPT2 GIVES YOU DATA. ROW FORGE TELLS YOU WHAT TO DO WITH IT. Row Forge is a connected training system for Concept2 RowErg, SkiErg, and BikeErg athletes. Connect your PM5, test your fitness, discover your strengths and weaknesses, and train with workouts built around your performance. Row Forge Intelligence helps you decide what to train next, understand your results, and stay on track. And when you want more hands-on guidance, Row Forge Coaching connects you with a real coach who can help guide your training. ROW FORGE INTELLIGENCE Stop guessing what workout to do. • Today's Workout — Get a workout recommendation based on your fitness tests, training history, and campaign progress. • Post-Workout Analysis — Understand what your completed workout means and what to carry into your next session. • Ask Row Forge — Ask questions about your training, results, weaknesses, and what to work on next. ROW FORGE COACHING Take your training further with guidance from a real coach. Available coaching plans can include personalized training, scheduled coaching sessions, direct coach messaging, and feedback on your workouts. Your coach can work with the same training context you build inside Row Forge, helping connect your workouts, performance, and goals in one place. VIKING POWER PROFILE Your 2K doesn't tell the whole story. Build your Viking Power Profile through fitness tests across different distances. Row Forge uses your results to show your strengths, identify areas to improve, and set training targets based on your own performance. STRUCTURED TRAINING Choose from workouts built around different training goals: • Signature Workouts • HIIT sessions • Fitness tests and benchmarks • Training campaigns • Personalized power targets • Free Row • Free Ski • Free Cycle CONNECTED TO YOUR CONCEPT2 Connect directly to a compatible Concept2 PM5 over Bluetooth. During supported workouts, Row Forge displays live performance data including watts, pace, distance, stroke rate, elapsed time, heart rate, and workout targets. ROW. SKI. CYCLE. Row Forge supports Concept2 RowErg, SkiErg, and BikeErg equipment with compatible PM5 monitors. Keep your training history together whether you're rowing, skiing, or cycling. TRACK YOUR PROGRESS Review completed workouts with detailed results, splits, pace, watts, stroke rate, heart rate, and other performance data. Track your progress over time and keep the context behind every workout. Eligible completed workouts can also be uploaded to your Concept2 Online Logbook. APPLE WATCH Use Apple Watch with supported Row Forge workouts to bring heart-rate data into your training experience. COLD IMPACT Track cold exposure alongside your training and explore how cooling relates to your own performance. TRAIN WITH PURPOSE Whether you're chasing a faster 2K, building your aerobic base, improving your power, or simply trying to get more from your Concept2, Row Forge gives your training direction. Use Row Forge Intelligence for data-driven guidance. Add Row Forge Coaching when you want a real person in your corner. Test. Train. Learn. Improve. Some features require an active Row Forge membership or Coaching subscription. Feature availability may depend on your plan, device, connected equipment, and permissions. Row Forge is independently developed and is not affiliated with or endorsed by Concept2, Inc. Concept2, RowErg, SkiErg, BikeErg, and PM5 are trademarks of Concept2, Inc. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ergometer Space

Features
Read full description

Ergometer rowing app for concept2 PM5 The app support blue tooth for PM5. Features - Create your own dashboard with values and gauges and other widgets - Row together over the internet. (Alone or as a team) * See each other and projected positions * Publish a high score * Chat using text * Traffic light * login as observer to watch a race and collect the end times. * Row together as one team and race against other teams - Row in 3d or using an VR headset. - You can load your own map with a predefined course and show your rowing position on the map. - View your power curve and compare it with an base curve - Make your own base curve - View history of your race - Row stroke advisor which bases is based on the user defined base curve. - Get warnings when user defined stroke value limits are exceeded - Plugins (which you can create using the ergometer space website) - Share your power curve with other users. This way you can your train together over the internet. - Ad free and your data stays private. (this app is made for fun, not for making money) - Record an replay of all the ergometer data plus an optional video. The import/export function allows you to give this data to a coach for further analysis. - Test your condition in the 3d shark game - Spark lines in the value widgets to quickly see trends. - Connect to a blue tooth heart rate device or include the heart rate data from the concept2 performance monitor. - Show your heart rate as percentage of the total max rate or as graph in a heart rate zone widget. The zones and max heart rate are configurable. More information: https://tijmenvangulik.github.io/Ergometerspace/ You can also try the application online https://ergometer-space.org Some platforms have more features than the other (for example some have usb support). To help you make your choice: https://tijmenvangulik.github.io/Ergometerspace/FeatureTable.html

Screenshots

Row Forge4 screens
Ergometer Space3 screens

Verdict

The call

The clearest difference is in-app purchases: Ergometer Space at none against Row Forge's 6. Ergometer Space also leads on update cadence (every 6 days vs fortnightly) and iOS requirement (11.0 vs 15.1). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Row Forge sells 6 in-app purchases, starting at $8.99 per month. Ergometer Space asks for nothing beyond the download.

UpkeepUpdate frequency

Row Forge ships an update fortnightly, Ergometer Space every 6 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Row Forge versus Ergometer Space: the parameters behind the verdict, then further details
ParameterRow ForgeErgometer Space
PriceFreeFree
Rating3.9 (36 ratings) — better—
Positive reviews69.0% of reviews—
Number of ratings36 — better—
Update frequencyFortnightlyEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.111.0 — better
Further details — not scored
Size77 MB64 MB
Age rating17+4+
DeveloperRow Forge LLCTijmen van Gulik

In-app purchases

6 purchases

Row Forge

Subscriptions6
  • Monthly1 Month trial$8.991 Month
  • Row Monthly Subscription$29.991 Month
  • Row Monthly with Two Week Trial14 Days trial$29.991 Month
Show 3 more
  • Annual1 Month trial$89.991 Year
  • Regular Six-Month Membership$143.996 Months
  • Six-Months with Two Week Trial14 Days trial$143.996 Months
None

Ergometer Space

No in-app purchases

Questions

Is Row Forge free?
Row Forge is free to download, with in-app purchases available.
Is Ergometer Space free?
Ergometer Space is free to download, with no in-app purchases.
Do Row Forge or Ergometer Space have ads?
Neither Row Forge nor Ergometer Space shows ads.
Which is updated more often, Row Forge or Ergometer Space?
Row Forge ships an update fortnightly, and Ergometer Space every 6 days. Most recently, Row Forge was updated on October 16, 2026 and Ergometer Space on October 7, 2026.

Other comparisons