Comparison

JOIN Cycling Coach App vs justzone2

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

Head to head
About

JOIN Cycling Coach App

This app provides personalized, dynamic training plans for cycling and running, adapting to your availability and performance. It offers over 400 World Tour-level workouts and integrates with popular fitness platforms and sensors.

Highlights
  • Dynamic training plan adjustment
  • Over 400 World Tour-level workouts
  • Running integration with pace calculator
  • Workout Player with sensor connectivity
  • Integration with Zwift, Strava, Garmin
  • Workout Score™ for session analysis
  • Period Tracker for female athletes
Features
Read full description

With over 400 World Tour-level workouts for road cycling, MTB, and gravel, and running integration, JOIN delivers a personalized and dynamic training plan that adjusts to your availability and performance. “JOIN is a cycling app for real-life riders. The training app built by professional coaches for every-day cyclists” - BikeRadar “JOIN completely changed my training approach and helped me reach my best fitness level ever.” - JOIN user “Dynamic programming is what I was missing since I have an irregular and busy life. JOIN gives me exactly that.” - JOIN user ► New: Running with JOIN Boost your training with Running on JOIN! Add running sessions to your cycling plan, seamlessly switch workouts, and track progress with the new pace calculator. Easily export your runs to Garmin, Apple Watch, and more. Start mixing up your training and achieve your goals with JOIN! ► Train faster and smarter with the Workout Player The fastest and easiest way to start your training immediately. Whether you are on the indoor trainer (including ERG mode!) or cycling outside, by connecting all sensors such as heart rate monitor, power meter, cadence meter, or indoor trainer, you see all the useful information on one screen. ► Smart and flexible bike training plan Do you want to increase your FTP or just get fitter? You choose your goal, and JOIN provides you with the most effective and efficient training plan. The algorithm adapts and tells you how to improve. Injured, sick, or short on time? The training plan is dynamic and will automatically update itself. ► Why riders would be lost without JOIN A survey revealed that 80% of users would be disappointed if they could no longer use JOIN. Why? Because JOIN provides the structure, flexibility, and motivation that other training apps lack. Cyclists trust JOIN to deliver dynamic, personalized plans that fit into their busy lives. ► Integrations with your favorite cycling platforms Training with a bike computer or Zwift? With JOIN, you can easily send all your data to your favorite apps or download your training easily as a .fit file. JOIN works with: • Zwift • Strava • TrainingPeaks • Garmin Connect • Wahoo ► Train effectively with the Workout Score™ Finished your training and went all-out? Well done! Based on your data, JOIN analyzes the session and provides a detailed assessment and Workout Score™. This way, you know if you can make your training even more effective next time. ► Period Tracker This new feature helps female athletes better align their training with their menstrual cycle. By tracking your cycle in the app, you receive training suggestions that consider hormonal changes and fatigue, allowing you to perform at your best. This feature is designed to adapt your personal workout schedule even further based on your natural flow. ► The best Tours, Cyclos, and Gran Fondos There is nothing more fun than training for a challenging goal like a tour, cyclo, or Gran Fondo. Maybe you are training for the Les Trois Ballons, Marmotte Gran Fondo Alpes of Unbound Gravel. If you follow the JOIN Cycling training plan, it will get you to appear at the start of your challenge in the best possible way. JOIN has the most popular events ready for you. Found your challenge? Select your goal, and JOIN ensures you are always training efficiently with the comprehensive training plan. ► Try JOIN completely free for 7 days Unlock all features with the JOIN subscription, including: • Adaptive training plans • eFTP prediction • 400+ bike training sessions in the database • Adapts to your availability • Integration with Garmin, Strava, Zwift, and more Terms & Conditions: https://join.cc/terms_conditions/ Privacy Policy: https://join.cc/privacy_policy/ Join JOIN.cc. Improve your ride.

About

justzone2

This app automatically adjusts your smart trainer's resistance to keep your heart rate within a specific zone during indoor cycling. It offers adaptive targeting, optional interval training, and seamless integration with your fitness gear and data platforms.

Highlights
  • Adaptive Zone 2 heart rate targeting
  • Automatic cardiac drift adjustment
  • Optional interval training builder
  • Works with FTMS Bluetooth smart trainers
  • Heart rate monitoring from various devices
  • One-tap upload to Strava and Apple Health
  • Live Activity for Lock Screen stats
Features
Read full description

Most indoor cycling apps hold your power. JustZone2 holds your heart rate. Set your zone, start pedalling, and the app takes over. It reads your heart rate every second and continuously adjusts your trainer's resistance to keep you exactly where you meant to be — no watching the numbers, no reaching for the dial halfway through. Just the right effort, for the whole ride. ADAPTIVE ZONE TARGETING • A PID controller trims trainer resistance in real time to hold your heart rate in Zone 2 • You choose where you ride within Zone 2 — the upper part by default, where steady Zone 2 rides are meant to sit • Handles cardiac drift automatically — as you tire and your heart rate climbs, the power eases back to match • Optional warm-up and cool-down phases • Prefer to ride to a number? Run it as a straightforward fixed-power ERG session instead AND, WHEN YOU WANT IT, INTERVALS • An optional Interval Builder for your hard days, switched on in Settings • Set the number of intervals, their length and power, and the recovery power in between • Ride in sets, with a longer recovery between them, for sessions like Rønnestad's 3 × 13 × 30/15s • Ridden in ERG mode, with a countdown to every interval and the session's shape on screen • See each session's weighted average power, a better guide to how hard it will feel than plain average power • Interval rides upload to Strava under their own name and stay out of your Zone 2 progress charts WORKS WITH YOUR GEAR • Any smart trainer supporting the FTMS Bluetooth standard, including the Wahoo KICKR range • Heart rate from an Apple Watch, a Bluetooth chest strap, an optical arm band, or AirPods Pro 3 • Universal — iPhone, iPad and Apple Watch, with a Watch complication for a glance mid-ride YOUR DATA, WHERE YOU WANT IT • One-tap upload to Strava with power, heart rate, cadence, distance and calories • Saves to Apple Health as a full workout • Live Activity keeps your stats on the Lock Screen and in the Dynamic Island • Workout history with charts, so you can watch the aerobic base actually build BUILT TO GET OUT OF THE WAY • Large, readable metrics you can see from the bars • No ads, no upsells, nothing to sign up for • No subscription — one purchase, yours for good • Interrupted mid-session? It picks up exactly where you left off WHY ZONE 2 Easy aerobic work is what builds the engine: more mitochondria, more capillaries, better fat metabolism, and a foundation broad enough to carry everything you stack on top. It is the bulk of what elite endurance athletes actually do all year. Understanding that has never been the hard part. Holding the discipline to ride easy enough, for long enough, is the hard part — and that is precisely the bit JustZone2 takes off your hands. MADE FOR • Cyclists building an aerobic base through the winter • Athletes who want recovery days to stay genuinely easy • Anyone after structured indoor training without a games engine attached REQUIREMENTS A smart trainer that supports FTMS, and a heart-rate source — Apple Watch, chest strap, optical arm band or AirPods Pro 3. Set your zone once. Every ride after that, just press start.

Screenshots

JOIN Cycling Coach App4 screens
justzone24 screens

Verdict

The call

The clearest difference is price: JOIN Cycling Coach App at Free against justzone2's $1.99. JOIN Cycling Coach App also leads on rating (4.7 vs 3.0) and ratings volume (365 vs 1). justzone2's advantage is in-app purchases (none vs 5) and update cadence (every 3 days vs weekly). On 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

JOIN Cycling Coach App is free to download; justzone2 costs $1.99 up front. JOIN Cycling Coach App sells 5 in-app purchases, starting at $11.99 per month. justzone2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

JOIN Cycling Coach App holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: JOIN Cycling Coach App has 365 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 48% of JOIN Cycling Coach App's written reviews are positive against 50% of justzone2's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

JOIN Cycling Coach App ships an update weekly, justzone2 every 3 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard8 real differences · 2 level
JOIN Cycling Coach App versus justzone2: the parameters behind the verdict, then further details
ParameterJOIN Cycling Coach Appjustzone2
PriceFree — better$1.99
Rating4.7 (365 ratings) — better3.0 (1 ratings)
Positive reviews48.1% of reviews50.0% of reviews — better
Number of ratings365 — better1
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS16.0 — better26.0
Further details — not scored
Size75 MB6 MB
Age rating12+4+
DeveloperJOIN Sports B.V.GEORGE GAIMES WHICHELOE

Customer experience

JOIN Cycling Coach App

All ratings365 ratings
Positive94.2%
Neutral2.7%
Negative3.0%
Written reviews79 reviews
Positive48.1%
Neutral17.7%
Negative34.2%

justzone2

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

JOIN Cycling Coach App

Reported bugs

15 issues
  • Menus display same information
  • Feedback function not accessible
  • Missing 'Training starten' button for runs
  • Wahoo export not working
  • UI issues with buttons/sliders
Show 10 more
  • Inconsistent free trial messaging
  • Cannot calibrate trainer
  • Cannot upload workout after ramp test
  • App unusable after discarding workout
  • Cannot swap workouts
  • App crashes or shows blank screens
  • Cannot connect with Facebook or email
  • Google Maps link not functioning
  • Cannot invite or follow friends
  • Strava integration not pulling data

Requested features

30 requests
  • Ability to set multiple goals
  • Portuguese translation
  • Connect to Oura Ring
  • More data and graphs
  • Heads-up for AI adjustments
Show 25 more
  • Apple Health integration
  • Calendar for races/time off
  • More detailed ride feedback
  • Greater app functionality
  • Smarter analysis of real ride efforts
  • Dark mode
  • Ability to set custom thresholds
  • More choice for walks/other activities
  • Ability to input races into calendar
  • More flexibility in workout scheduling
  • More smarts around analyzing real ride efforts vs. prescribed workouts
  • Ability to extend workouts on the fly
  • Calendar of events and time off
  • Concept of clubs for organized groups
  • Import GPX files for routes
  • Export routes in GPX format
  • Hyperlink for URLs in ride descriptions
  • Private rides option
  • Strava integration
  • More community features
  • Ability to search and invite friends
  • More structured introduction for beginners
  • More adaptable to tablet screens
  • More variety in workout sessions
  • Integration with other fitness trackers

justzone2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

JOIN Cycling Coach App

Subscriptions5
  • Monthly$11.991 Month
  • Monthly$14.991 Month
  • Monthly$22.991 Month
Show 2 more
  • Yearly$59.991 Year
  • Yearly$109.991 Year
None

justzone2

No in-app purchases

Questions

Is JOIN Cycling Coach App free?
JOIN Cycling Coach App is free to download, with in-app purchases available.
Is justzone2 free?
justzone2 costs $1.99, with no in-app purchases.
Which has better reviews, JOIN Cycling Coach App or justzone2?
JOIN Cycling Coach App is rated higher. JOIN Cycling Coach App averages 4.7 out of 5 from 365 ratings, while justzone2 averages 3.0 from 1 ratings.
Do JOIN Cycling Coach App or justzone2 have ads?
Neither JOIN Cycling Coach App nor justzone2 shows ads.
Which is updated more often, JOIN Cycling Coach App or justzone2?
JOIN Cycling Coach App ships an update weekly, and justzone2 every 3 days. Most recently, JOIN Cycling Coach App was updated on November 12, 2026 and justzone2 on November 9, 2026.

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