Comparison

ErgBot vs CrewSync

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

Head to head
About

ErgBot

This app uses computer vision to automatically log rowing machine data. Simply snap a picture of your erg monitor, or upload an image from your camera roll, to instantly record your workout details. Data is then sent directly to Google Sheets for easy tracking.

Highlights
  • Automatic erg data logging
  • Computer vision technology
  • Log data to Google Sheets
  • Upload from camera roll
  • Developed by former rowers
Features
Read full description

Developed by former Penn rowers, ErgBot makes recording erg data significantly faster and easier. We use computer vision technology to allow anyone to log erg data straight to Google Sheets with the snap of a picture! ErgBot also includes an 'Upload' feature, which allows users to upload erg monitor images from their camera roll.

About

CrewSync

This app connects to rowing machines to automatically sync workout data, offering AI-generated training plans and real-time head-to-head races. It also provides performance analytics, nutrition tracking, and recruiting tools for athletes and coaches.

Highlights
  • Automatic Concept2 erg data sync
  • AI-generated adaptive training plans
  • Real-time head-to-head racing
  • Detailed performance analytics
  • Nutrition and recovery tracking
  • College recruiting profile builder
Features
Read full description

CrewSync is the rowing platform built for serious athletes and coaches. Connect your Concept2 erg and your entire workout history syncs automatically — every split, interval, stroke rate, and drag factor imported in minutes. Train with AI-generated plans built from your actual erg data. Race anyone in the world head-to-head in real time. Build your recruiting profile and get discovered by college coaches. TRAIN SMARTER AI-generated training plans built from your erg scores, goals, and availability. Plans auto-adjust as you improve. Daily workout suggestions keep your training progressive and structured. Set a goal 2k time and CrewSync builds the entire plan around hitting it. LIVE ERG TRACKING Connect directly to your Concept2 PM5 via Bluetooth for real-time split, stroke rate, distance, watts, calories, drive length, and force curves. Every session saves automatically to your profile. PERFORMANCE ANALYTICS After every workout get a full breakdown — pacing analysis showing where you fade or go out too fast, split consistency scoring, stroke rate efficiency, power curve analysis, and weakness detection. Track your 2k, splits, and watts trends over time. A realistic AI 2k predictor shows exactly where you are headed based on your training load and history. HEAD-TO-HEAD RACING Race teammates or strangers anywhere in the world in real time. Create a room, share a code, race. Live lane-by-lane view with everyone's split and position updating every stroke. Matchmaking pairs you with athletes of similar ability. NUTRITION AND RECOVERY Search a database of over 600,000 foods and log your daily calories and macros. Track protein, carbs, and fat against your daily targets. AI-generated meal plans optimized for rowing performance and your specific training load. Log sleep, weight, and hydration daily. Connect Whoop for strain and recovery data. A composite recovery score pulls everything together and tells you whether to push hard or pull back today. Weekly AI insight summaries explain exactly why your performance is changing and what to focus on next. RECRUITING TOOLS Build a public recruiting profile with your erg scores, improvement trends, and virtual combine score with national ranking. College coaches browse and contact athletes directly through the Coaches Hub. College target list with AI fit scores shows whether each school is a reach, target, or likely based on your stats. Exportable recruiting PDF with your photo, stats, and AI summary ready to send to any program. FOR COACHES CrewSync replaces every scattered coaching tool with one complete system. Manage your entire roster, build lineups with a drag-and-drop boat builder optimized for your athletes' erg scores, port and starboard preference, height, and weight. Run seat racing sessions and let the AI calculate cumulative rankings automatically. Generate a race lineup optimizer that balances erg scores, on-water performance, fatigue levels, and seat race results for any regatta. Build multi-week training plans for the entire team in minutes — differentiated by boat class, adjusted for fatigue, and exportable as PDF. Track weekly training load and mileage for every athlete with a color-coded fatigue heatmap. Set up daily athlete check-ins to monitor energy, soreness, and sleep. Assign workouts to individual athletes or the whole team. Generate end of season AI recap reports. Send weekly automated progress emails to parents. The Coaches Hub lets college coaches discover recruits, manage a recruiting board, and contact athletes directly based on verified erg data and combine scores. Athletic directors get a read-only dashboard showing program health, participation rates, and performance trends. TeamSync integration keeps your roster, events, and attendance in sync automatically. CALCULATORS Split to watts converter, training zones calculator, weight adjustment calculator, race splits planner, 2k improvement timeline, and a live Stroke Watch for on-water coaching.

Screenshots

ErgBot4 screens
CrewSync4 screens

Verdict

The call

The clearest difference is update cadence: CrewSync at every 9 days against ErgBot's every 19 months. ErgBot's advantage is monetization model (free vs ad-supported) and ratings volume (59 vs 12). On price, rating, review sentiment and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for ErgBot against 4.8 for CrewSync. Both are backed by a comparable volume of ratings — 59 and 12 respectively. Written reviews are what separate them: 76% of ErgBot's written reviews are positive against 75% of CrewSync's.

UpkeepUpdate frequency

ErgBot ships an update every 19 months, CrewSync every 9 days. The most recent releases landed on October 7, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
ErgBot versus CrewSync: the parameters behind the verdict, then further details
ParameterErgBotCrewSync
PriceFreeFree
Rating4.8 (59 ratings)4.8 (12 ratings) — better
Positive reviews76.5% of reviews — better75.0% of reviews
Number of ratings59 — better12
Update frequencyEvery 19 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better15.0
Further details — not scored
Size84 MB8 MB
Age rating4+12+
DeveloperPower Ten Metrics LLCErik Weibust

Customer experience

ErgBot

All ratings59 ratings
Positive93.2%
Neutral6.8%
Negative0.0%
Written reviews17 reviews
Positive76.5%
Neutral11.8%
Negative11.8%

CrewSync

All ratings12 ratings
Positive91.7%
Neutral8.3%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

None

ErgBot

No in-app purchases

None

CrewSync

No in-app purchases

Questions

Is ErgBot free?
ErgBot is free to download, with no in-app purchases.
Is CrewSync free?
CrewSync is free to download, with no in-app purchases.
Which has better reviews, ErgBot or CrewSync?
CrewSync is rated higher. ErgBot averages 4.8 out of 5 from 59 ratings, while CrewSync averages 4.8 from 12 ratings.
Do ErgBot or CrewSync have ads?
Neither ErgBot nor CrewSync shows ads.
Which is updated more often, ErgBot or CrewSync?
ErgBot ships an update every 19 months, and CrewSync every 9 days. Most recently, ErgBot was updated on October 7, 2026 and CrewSync on September 20, 2026.

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