Comparison

Workout Builder vs RunKit

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

Head to head
About

Workout Builder

Design personalized fitness routines on your iPhone, then seamlessly transfer them to your Apple Watch. Supports a wide range of activities from running and cycling to yoga and strength training, with options for simple goals, advanced intervals, and paced efforts.

Highlights
  • Create custom workouts on iPhone
  • Send workouts to Apple Watch
  • Supports running, cycling, swimming, yoga
  • HIIT & Strength interval training
  • Boxing and skipping interval options
  • Goal-based workouts
  • Advanced interval workouts
  • Paced workouts
Read full description

Workout Builder lets you create custom workouts on your iPhone and send them to your Apple Watch. Build advanced workouts like: - Running workouts for tempo runs, intervals, hill sprints - Cycling workouts for intervals, pyramids, and distance efforts - Swimming workouts for specific distances and times - Flow, Yin, Vinyasa yoga - HIIT & Strength training intervals - Boxing and skipping intervals, with rest included - Plus many, many more sports! Workout Builder has three types of workouts you can send to your Apple Watch - Simple, goal-based workouts – set a time, distance, or energy burn goal - Advanced interval workouts – add multiple sets and reps, along with rest, warmup, and cooldown - Paced workouts – set a time and distance goal and pace your workout

About

RunKit

Create, schedule, and execute custom workouts for a variety of sports. Plan multi-week training programs and sync them directly to your Apple Watch for seamless execution and real-time metrics. Track progress and get race-time predictions.

Highlights
  • Multi-step workout creation
  • Workout scheduling and calendar view
  • Apple Watch syncing
  • Support for multiple sports
  • Training plan building
  • Workout library management
Read full description

Build your running workout on iPhone. Run it on Apple Watch. RunKit is the fastest way to create custom running workouts for the Workout app: intervals, tempo, fartlek, hills, long runs. Set each step once, and your Watch guides you through every rep with pace and heart rate alerts. BUILD ANY WORKOUT • Warm-up, cooldown and as many interval blocks as you need • Reps and recoveries by time or distance • Targets per step: pace, heart rate, heart rate zone or cadence • Alerts with a tolerance (exact, ±5", ±10", ±15") • Presets, duplicate steps or whole workouts, notes on each session • Folders to keep your library tidy RUN IT ON YOUR WATCH • Your workout waits in the Workout app: just press start • Apple's native workout engine, with all its metrics and alerts • Running, walking, cycling, swimming, strength and more activity types SCHEDULE YOUR WEEK • Pick a day for each workout and see your week at a glance • Scheduled workouts sync to your Apple Watch automatically • Optional sync with your iPhone calendar NO PLAN YET? FOLLOW ONE OF OURS • Couch to 30 min in 4 weeks • 30 to 60 min in 6 weeks • 60 min to 10K in 8 weeks • 10K to half marathon in 8 weeks • 10K to marathon in 12 weeks Each plan is scheduled day by day, on the days you choose. NEED IDEAS? A gallery of ready-made workouts (easy runs, long runs, intervals, fartlek, tempo, hills, walk/run), added in a tap. KNOW YOUR RACE TIME Race-time predictions for 5K, 10K, half marathon and marathon, based on your Apple Health history. Apple and Apple Watch are registered trademarks of Apple Inc. ----------- RUNKIT PREMIUM Scheduling workouts to Apple Watch, training plans and the workout gallery are part of RunKit Premium. Payment will be charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage subscriptions and turn off auto-renewal in your Account Settings after purchase. Privacy Policy: https://qeezon.com/runkit/privacy-policy Terms of Use (EULA): https://qeezon.com/runkit/terms-of-use

Screenshots

Workout Builder4 screens
RunKit4 screens

Verdict

The call

The clearest difference is rating: RunKit at 4.8 against Workout Builder's 4.3. RunKit also leads on review sentiment (87% vs 71%). On price, ratings volume, update cadence 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. Workout Builder sells 1 one-off in-app purchase and RunKit sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RunKit holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 23 and 53 respectively. Written reviews point the same way: 71% of Workout Builder's written reviews are positive against 87% of RunKit's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 27, 2026.

Scorecard2 real differences · 8 level
Workout Builder versus RunKit: the parameters behind the verdict, then further details
ParameterWorkout BuilderRunKit
PriceFreeFree
Rating4.3 (23 ratings)4.8 (53 ratings) — better
Positive reviews71.0% of reviews86.7% of reviews — better
Number of ratings2353 — better
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size1 MB56 MB
Age rating4+4+
DeveloperMatthew PalmerArnaud Dupuy

Customer experience

Workout Builder

All ratings20 ratings
Positive75.0%
Neutral15.0%
Negative10.0%
Written reviews31 reviews
Positive71.0%
Neutral16.1%
Negative12.9%

RunKit

All ratings53 ratings
Positive96.2%
Neutral0.0%
Negative3.8%
Written reviews45 reviews
Positive86.7%
Neutral2.2%
Negative11.1%

Bugs and requests

Workout Builder

Not enough reviews yet to summarise bugs or requests.

RunKit

Reported bugs

7 issues
  • App not working after recent updates
  • Lost all data after reinstalling
  • Cannot share workouts through WhatsApp
  • Subscription error message
  • Sharing feature not working
Show 2 more
  • Cannot install on Apple Watch Series 3
  • No support response for bugs

Requested features

11 requests
  • Smaller pace integers
  • Ability to create workouts for strength training
  • Folders or tags for organizing workouts
  • Ability to connect headphones via Apple Watch for audio feedback
  • Desktop or web version for easier workout creation
Show 6 more
  • More sports options
  • Monthly calendar view for better organization
  • Ability to set up desired heart rate zone/cadence at once within runs
  • Add cycling activity
  • Retrieve default settings from the Exercise app for cycling power zones
  • Default to miles instead of KM

In-app purchases

1 purchases

Workout Builder

One-time1
  • Workout Builder Premium$9.99
2 purchases

RunKit

Subscriptions2
  • Premium7 Days trial$3.991 Month
  • Premium7 Days trial$19.991 Year

Questions

Is Workout Builder free?
Workout Builder is free to download, with in-app purchases available.
Is RunKit free?
RunKit is free to download, with in-app purchases available.
Which has better reviews, Workout Builder or RunKit?
RunKit is rated higher. Workout Builder averages 4.3 out of 5 from 23 ratings, while RunKit averages 4.8 from 53 ratings.
Do Workout Builder or RunKit have ads?
Neither Workout Builder nor RunKit shows ads.
Which is updated more often, Workout Builder or RunKit?
Workout Builder ships an update fortnightly, and RunKit fortnightly. Most recently, Workout Builder was updated on October 27, 2026 and RunKit on October 27, 2026.

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