Comparison

Sumyt vs Lactate Training

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

Head to head
About

Sumyt

Create and manage custom workouts and training plans that sync seamlessly with Apple Watch. Track your progress across iPhone, iPad, and Mac, with detailed summaries and weather forecasts for your activities.

Highlights
  • Create custom workouts
  • Manage training plans
  • Syncs with Apple Watch
  • Track progress on multiple devices
  • View weather forecasts
  • Integrates with Apple Health
Features
Read full description

Do you love using the Apple Workouts app but want more flexibility and control? That's where Sumyt comes in! Sumyt lets you create and manage workouts and training plans across your iPhone, iPad, and Mac, with automatic syncing to your Apple Watch. Your scheduled workouts will be ready for you on your watch, and once you've completed them, you can easily track your progress on any of your devices. Here's how it works: 1. Schedule a workout on your device of choice. 2. Complete the workout that's seamlessly synced to the Workouts app on your Apple Watch. 3. View the workout details in Sumyt, wherever you are. With a Sumyt+ subscription, you can unlock even more features, whether you're training for a marathon or prepping for your sports season. Free Features: - Schedule unlimited workouts on iPhone, iPad, or Mac. - Take control of your training with plans and custom workouts that sync seamlessly to your Apple Watch. Design, manage, and track your fitness journey all in one place. - Automatic sync to Apple Watch for workouts scheduled that day. - Create custom workouts with warm-up, work, and cool-down intervals. - Access any of Apple's 80+ activity types. - Set individual preferences for each activity type. - Review details of your upcoming and completed workouts. - View weather forecasts for upcoming workouts, with fully customizable locations. - Get a summary of your day, including activity rings and key metrics. Sumyt+ Subscription Features: - Create unlimited training plans and filter workouts by plan. - Organize your plans with training blocks and events. - Build a library of custom workouts that you have created. - Apple Watch companion app to view upcoming workouts. - Widgets and watch complications to track what's next. - Help support an indie developer and shape the future of Sumyt! Join the Sumyt community. This app is just getting started, and I'd love to hear your feedback and suggestions. Together, we can make Sumyt even better. Reach out anytime at support@sumyt.app. Thanks for being part of the journey, and happy training! Your privacy is important. Sumyt integrates with Apple Health to sync workouts, and your data stays securely on your devices. Privacy: https://sumyt.app/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Note: While Sumyt is available on iPhone, iPad, and Mac, you'll need an Apple Watch and iPhone to benefit from automatic workout syncing.

About

Lactate Training

This intelligent training system connects your sessions, recovery, fatigue, and life stress into an AI-driven coaching platform. It helps athletes train smarter, avoid injury, and improve consistently by analyzing data and providing personalized feedback. The app offers a complete dashboard for tracking fitness, fatigue, and performance trends.

Highlights
  • AI-driven personalized coaching
  • Fitness vs. fatigue tracking
  • Daily check-ins for readiness
  • Smart training calendar with life event integration
  • Session comparison for progress analysis
  • Blood lactate integration for training zones
Features
Read full description

Less guesswork. More legendary training. Lactate Training is an AI coach for runners, cyclists and triathletes who train around work, family and a changing week. Ask about your training. Add how it felt. Learn what to try next. No blood lactate test needed. Start with the watch data you already have from Garmin or Strava. TRAINING HARD BUT NOT SURE WHAT'S WORKING? • What should I do today? Tell your coach how you feel and get today's session, based on your plan, your sleep and your recent training. • Why did that session feel hard? Your coach reads the recording, compares a similar session and asks what else was going on. • Am I improving? See pace and heart rate trends side by side, explained in plain English. • How do I fit training around life? Move a session or add a work trip and your week adjusts. Nothing changes until you say yes. ONE COACH, LOTS OF WAYS TO ASK • Type a question about any session and get a review in plain English • Talk it through by voice after your run, hands-free • Message your coach on WhatsApp to ask a question, log a session or move a workout • Connect ChatGPT or Claude and plan your week on a bigger screen, using your real numbers • Send workouts straight to your Garmin A COACH THAT REMEMBERS Your coach keeps your goals, preferences and training rules, and saves lessons from one session to use in the next. You can see, edit or delete all of it in Coaching Memory. SEE YOUR PROGRESS • Training dashboard with fitness, fatigue and training load • Sleep, HRV and resting heart rate trends • Compare similar sessions side by side • Weather on every session • Strava Segment Hunter BUILT FOR REAL LIFE • Plans that fit your week: let Auto Coach build one, or pick a ready-made plan • A daily check-in that takes about two minutes • Miles or kilometers, day and night themes, 24 languages • For runners from a first half marathon to a sub-3 marathon, plus cyclists, triathletes and Hyrox athletes. Coaches can manage their athletes on Max. PLANS Every plan starts with 30 days of Pro, free. Then choose: • Free: track and plan your training, with a small monthly AI allowance • Basic: unlimited WhatsApp coaching, Auto Coach, coach memory and 50 in-app AI requests a month • Pro: everything in Basic, plus 150 requests, the dashboard, session compare, Grill Me, weather and Send to Garmin • Max: everything in Pro, plus 1,000 requests and Coach mode Payment is charged to your Apple Account when you confirm your purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within the 24 hours before it ends. Manage or cancel your subscription in your App Store account settings. Any unused part of a free trial ends when you buy a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lactatetraining.ai/policies/privacy-policy Lactate Training gives training guidance, not medical advice. Check with a doctor before starting a new training program.

Screenshots

Sumyt4 screens
Lactate Training4 screens

Verdict

The call

The clearest difference is rating: Sumyt at 5.0 against Lactate Training's 4.0. Sumyt also leads on review sentiment (100% vs 75%). Lactate Training's advantage is monetization model (free vs freemium) and iOS requirement (15.0 vs 26.0). 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. Sumyt sells 3 in-app purchases, starting at $3.99 per year and Lactate Training sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sumyt holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Sumyt's written reviews are positive against 75% of Lactate Training's.

UpkeepUpdate frequency

Sumyt ships an update every 2 weeks, Lactate Training every 8 days. The most recent releases landed on November 4, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 6 level
Sumyt versus Lactate Training: the parameters behind the verdict, then further details
ParameterSumytLactate Training
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (2 ratings)
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings12 — better
Update frequencyEvery 2 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size84 MB170 MB
Age rating4+4+
DeveloperWilliam BealBarney Reed

Customer experience

Sumyt

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Lactate Training

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

3 purchases

Sumyt

Subscriptions2
  • Solo1 Month trial$3.991 Year
  • Family1 Month trial$6.991 Year
One-time1
  • Lifetime$34.99
9 purchases

Lactate Training

Subscriptions9
  • Basic$4.991 Month
  • Full Access (Monthly)$9.491 Month
  • AI Access (Monthly)7 Days trial$9.951 Month
Show 6 more
  • Full Access + Coach (Monthly)$14.991 Month
  • Pro 6 Months$49.996 Months
  • Full Access (Yearly)$99.991 Year
  • AI Access (Yearly)1 Month trial$99.991 Year
  • Max 6 Months$119.996 Months
  • Full + Coach (Yearly)$229.991 Year

Questions

Is Sumyt free?
Sumyt is free to download, with in-app purchases available.
Is Lactate Training free?
Lactate Training is free to download, with in-app purchases available.
Which has better reviews, Sumyt or Lactate Training?
Sumyt is rated higher. Sumyt averages 5.0 out of 5 from 1 ratings, while Lactate Training averages 4.0 from 2 ratings.
Do Sumyt or Lactate Training have ads?
Neither Sumyt nor Lactate Training shows ads.
Which is updated more often, Sumyt or Lactate Training?
Sumyt ships an update every 2 weeks, and Lactate Training every 8 days. Most recently, Sumyt was updated on November 4, 2026 and Lactate Training on November 12, 2026.

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