Comparison

ErgZone vs Primal Mobility

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

Head to head
About

ErgZone

Optimize indoor training with real-time performance data, personalized pacing, and engaging challenges. Seamlessly integrates with various fitness machines, automating setup and providing critical metrics to enhance your workouts.

Highlights
  • Easy monitor setup
  • Live performance metrics
  • Smart interval pacing
  • Real-time workout alerts
  • Workout variety options
  • Performance history tracking
  • Community challenges
Features
Read full description

ErgZone is a cutting-edge fitness platform designed to optimize your indoor training sessions. By seamlessly integrating with your Concept2, RP3, Rogue, WaterRower, Assault Fitness or FTMS-enabled machines, ErgZone provides real-time performance data, personalized pacing, and engaging challenges to push your limits. Why Choose ErgZone? Designed to streamline your training, ErgZone minimizes setup time, automates monitor configurations, and calculates critical metrics so you can focus on performance, not prep. Key Features: • Easy Monitor Setup: No need to manually set intervals – simply connect to the ergometer, and the app handles the rest. Start moving right away. • Live Metrics: View real-time data during workouts, including time, distance, pace, strokes/minute (SPM), calories, watts, heart rate (HR) zones, and more. • Smart Interval Pacing: Suggested pace per interval based on personal benchmarks (1K, 2K, 5K for rowing and skiing; 2K, 4K, 10K for cycling). • Real-Time Alerts: Instant feedback if your pace, SPM, or split time drifts from the target. • Workout Variety: Options to train by time, distance, or calories with flexibility for mixed or weighted workouts. • Daily Workouts: Access the Concept2 Workout of the Day, plus discover workouts and training plans from top coaches. • Performance History: Save your favorite workouts, track heart rate progress, and monitor key metrics. • Compete & Connect: Join challenges, follow ErgFlix workouts, and interact with our partner coaches who release weekly free workouts. • Beyond Default Metrics: Track advanced metrics like stroke count, drag factor (DF), calories, watts, SPI, HR zones, and more. • Automatic Syncing: Results are automatically uploaded to the Concept2 LogBook. Unlock ErgZone+ for Premium Tools: • Enhanced Metrics & Graphs: View each interval's post-workout heart rate and power zones in a single graph. • Expanded Metrics: Access Drive Length, Max Power, Avg. Force, Force Curve, and more. The app remembers your last-used metrics for easy setup. • Time Cap & AMRAP: For added versatility, use automatic time-capped workouts and AMRAP (as many rounds as possible). • Flexible Targets: Set workout intensity using power metrics like FTP (Functional Threshold Power), SPI, or Watts percentage. • ReRow, ReSki, ReRide: Revisit previous sessions and strive to beat your pace or time. • Communities: Create and join communities, share workouts, and engage with friends. Enable leaderboards for a fun, competitive edge. • Apple Health Integration: Sync workouts and heart rate data directly to Apple Health. • Heart Rate Monitor: Connect your favorite Bluetooth HRM to track your heart rate in real-time during workouts. • Web Dashboard: Manage workouts, schedule training, and view live stats on a computer. • MultiErg Workouts: Create custom workouts incorporating two or all three Concept2 machines in a single workout. • Dynamic Interval Intensity: Set workout pace based on a previous interval. • Apple Watch Integration: Capture heart rate data from our Apple Watch app. • Organize Your Training: Create groups, libraries, and training plans to manage better and organize your workouts. • FIT Workouts: Track non-erg workouts such as weight training, HYROX, CrossFit, etc. Requirements: • Supported Machines: Concept2 RowErg, BikeErg, SkiErg with PM5, RP3 Rower, Rogue Echo Bike or Rower, WaterRower S4 (with ComModule or CR BLE), FTMS-enabled machines. • Device: iPhone or iPad Terms of Use: https://www.erg.zone/terms

About

Primal Mobility

This app offers strength-based mobility training designed for barbell athletes. Build deeper, pain-free range of motion in just 15 minutes a day with structured programs that blend mobility and strength.

Highlights
  • Strength-based mobility training
  • Designed for barbell athletes
  • Progressive overload for mobility
  • 15-20 minute sessions
  • Minimal equipment required
  • Offline session access
  • Health app integration
Features
Read full description

Strength-Based Mobility for Barbell Athletes Build end‑range strength for deeper, pain‑free lifts in 15 minutes/day - a mobility training app built for CrossFitters, Olympic lifters, and barbell athletes who demand more than just stretching. WHY PRIMAL IS DIFFERENT • Strength-Based Mobility – build capacity and control in new ranges so your gains stick. • Designed for Barbell Athletes – programs created specifically for CrossFit, Olympic lifts, and high-volume training demands. • Progressive Overload for Mobility – Structured six‑week cycles blend mobility with strength - no equipment, clear progression • Coaching from Real People – not just videos, but actual coaches SHORT, SIMPLE & EFFECTIVE • 15–20 minute sessions • Minimal to no equipment required • Fits seamlessly before or after your workouts, or whenever you can fit it in! BENEFITS • Reduce pain by addressing root causes, not just symptoms • Improve joint strength, resilience, and durability • Build confidence in all your lifts; squats, presses, pulls, and gymnastics movements • Enhance recovery and longevity in training • Perform at your best in CrossFit, Olympic lifting, and beyond ACCESS ANYWHERE • Available on iPhone, iPad, and compatible devices • Stream or download sessions for offline use • Sync seamlessly with the Health app to update your metrics instantly BUILT FOR BARBELL ATHLETES Whether you’re chasing your first pain-free squat clean, building overhead stability for CrossFit, or staying durable through high-volume training, Primal Mobility helps you move strong, crush pain, and elevate performance. Ready to train mobility like strength? Visit our website to learn more about The End Range Program.

Screenshots

ErgZone4 screens
Primal Mobility4 screens

Verdict

The call

The clearest difference is rating: ErgZone at 4.8 against Primal Mobility's 3.7. ErgZone also leads on ratings volume (458 vs 3) and review sentiment (81% vs 67%). Primal Mobility's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 2 months). 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. ErgZone sells 2 in-app purchases, starting at $4.99 per month. Primal Mobility asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ErgZone holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: ErgZone has 458 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 81% of ErgZone's written reviews are positive against 67% of Primal Mobility's.

UpkeepUpdate frequency

ErgZone ships an update every 2 months, Primal Mobility monthly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

Scorecard6 real differences · 4 level
ErgZone versus Primal Mobility: the parameters behind the verdict, then further details
ParameterErgZonePrimal Mobility
PriceFreeFree
Rating4.8 (458 ratings) — better3.7 (3 ratings)
Positive reviews80.9% of reviews — better66.7% of reviews
Number of ratings458 — better3
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size33 MB403 MB
Age rating4+4+
DeveloperERGZONE LLCPrimal Mobility Inc.

Customer experience

ErgZone

All ratings458 ratings
Positive95.4%
Neutral1.7%
Negative2.8%
Written reviews68 reviews
Positive80.9%
Neutral4.4%
Negative14.7%

Primal Mobility

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

ErgZone

Reported bugs

9 issues
  • Heart monitor sync issues with Samsung Galaxy watch
  • Workouts not appearing in logbook when connected to ErgData
  • Inaccurate total time in uploads
  • Rest distance not included in Strava upload
  • Group membership premium features unclear
Show 4 more
  • Workouts not shown chronologically
  • Occasional hesitation to connect to PM5
  • Cannot figure out how to connect to PM5
  • Workout completion and upload to logbook could be more intuitive

Requested features

7 requests
  • Sync with Samsung Galaxy watch
  • Add a beep function for interval changes
  • Confirmation pop-up for unsaved workout changes
  • Require unique names for workouts
  • Apple Health integration
Show 2 more
  • Native Apple Health synchronization
  • Sharing with Apple Health

Primal Mobility

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

ErgZone

Subscriptions2
  • EZ+ Monthly7 Days trial$4.991 Month
  • EZ+ Annual$49.991 Year
None

Primal Mobility

No in-app purchases

Questions

Is ErgZone free?
ErgZone is free to download, with in-app purchases available.
Is Primal Mobility free?
Primal Mobility is free to download, with no in-app purchases.
Which has better reviews, ErgZone or Primal Mobility?
ErgZone is rated higher. ErgZone averages 4.8 out of 5 from 458 ratings, while Primal Mobility averages 3.7 from 3 ratings.
Do ErgZone or Primal Mobility have ads?
Neither ErgZone nor Primal Mobility shows ads.
Which is updated more often, ErgZone or Primal Mobility?
ErgZone ships an update every 2 months, and Primal Mobility monthly. Most recently, ErgZone was updated on September 18, 2026 and Primal Mobility on September 14, 2026.

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