Float vs Ergometer Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Float
Track your indoor rowing workouts with detailed stroke data. Connects to Concept2 machines via Bluetooth and syncs with the Health app. Offers advanced analytics and data export for performance analysis.
- Bluetooth connectivity for Concept2 PM5
- Detailed stroke data (drive length, ratio, power)
- Live and replay power curves
- Syncs with Apple Health
- Cloud storage for training data
- Email raw data export
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Record your indoor rowing sessions on the Concept2 rowing machine via bluetooth. RECORD EVERY SESSION YOU DO! - See every stroke live on your iPhone - Record every session and store on your iPhone - Review every session with more detail than the Concept2 screen provides ADDITIONAL DATA PER STROKE - Drive Length - Drive Ratio - Stroke Power - Ave. Force - Peak Force - Drive Time - Drive Speed - Drag Factor WORKS WITH - Concept2 PM5 Monitor via Bluetooth - Concept2 PM3/4 Monitor via ErgStick Dongle - Works with the Health app. Saves heart rate, calories and basic workout data. LOGGING IN The training data you create is stored in the cloud for analysis and recovery purposes. To ensure the training data you create is recoverable we ask that you create an account so that we can associate your training data to the right person. PRO FEATURES • Live power curves for every stroke you take • Replay power curves for every stroke you took • Email your raw data to yourself or your coach. PRO VERSION Float Pro is available for $3.99/month or $39.99/year. You can subscribe and pay through your iTunes account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. Auto-renew may be turned off by going to your Account Settings after purchase. TERMS Terms and Conditions of Float can be found on our website at the following address - https://usefloat.com/terms
Ergometer Space
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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
Verdict
The clearest difference is in-app purchases: Ergometer Space at none against Float's 4. Ergometer Space also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. Float sells 4 in-app purchases, starting at $3.99 per month. Ergometer Space asks for nothing beyond the download.
Float ships an update every 3 weeks, Ergometer Space every 6 days. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.
| Parameter | Float | Ergometer Space |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (10 ratings) — better | — |
| Positive reviews | 26.3% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Endurance Sports Research Ltd | Tijmen van Gulik |
In-app purchases
Float
- Float Pro$3.991 Month
- Float Pro$39.991 Year
- Unlock Pro features (1 month)$3.99
- Unlock Pro features (1 year)$39.99
Ergometer Space
No in-app purchases









