Comparison

Float 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

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.

Highlights
  • 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
Features
Read full description

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

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

Float4 screens
Ergometer Space3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Float versus Ergometer Space: the parameters behind the verdict, then further details
ParameterFloatErgometer Space
PriceFreeFree
Rating1.9 (10 ratings) — better—
Positive reviews26.3% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.011.0 — better
Further details — not scored
Size29 MB64 MB
Age rating4+4+
DeveloperEndurance Sports Research LtdTijmen van Gulik

In-app purchases

4 purchases

Float

Subscriptions2
  • Float Pro$3.991 Month
  • Float Pro$39.991 Year
One-time2
  • Unlock Pro features (1 month)$3.99
  • Unlock Pro features (1 year)$39.99
None

Ergometer Space

No in-app purchases

Questions

Is Float free?
Float 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 Float or Ergometer Space have ads?
Neither Float nor Ergometer Space shows ads.
Which is updated more often, Float or Ergometer Space?
Float ships an update every 3 weeks, and Ergometer Space every 6 days. Most recently, Float was updated on September 15, 2026 and Ergometer Space on September 21, 2026.

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