Workout Builder vs RunKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Multi-step workout creation
- Workout scheduling and calendar view
- Apple Watch syncing
- Support for multiple sports
- Training plan building
- Workout library management
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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
Verdict
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
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.
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.
Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 27, 2026.
| Parameter | Workout Builder | RunKit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (23 ratings) | 4.8 (53 ratings) — better |
| Positive reviews | 71.0% of reviews | 86.7% of reviews — better |
| Number of ratings | 23 | 53 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Palmer | Arnaud Dupuy |
Customer experience
Workout Builder
RunKit
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
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- 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
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- 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
Workout Builder
- Workout Builder Premium$9.99
RunKit
- Premium7 Days trial$3.991 Month
- Premium7 Days trial$19.991 Year






