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

Lactate Training — The Operating System For Your Training Most athletes are guessing. The best athletes measure, track, and adapt. Lactate Training is your intelligent training system that connects everything — your sessions, recovery, fatigue, life stress and goals — into one powerful AI-driven coaching platform. This isn’t just another training log. It’s a complete operating system for your performance. Train smarter. Avoid injury. Improve consistently. WHY LACTATE TRAINING? Because what you’ve done doesn’t matter unless you understand what it’s doing to you. Lactate Training connects your past training, how you feel today, and what’s coming next — so you can make better decisions every single day. See your fitness build. Spot fatigue early. Adjust before injury hits. Stay consistent and keep progressing. AI COACHING THAT ACTUALLY UNDERSTANDS YOU Your AI coach analyses your training, recovery, and daily check-ins to give real, personalised feedback. • Session analysis after every workout • Detect fatigue before it becomes injury • Suggest smarter training decisions • Compare similar sessions to track improvement • Identify trends in performance and recovery • Clear, simple feedback you can actually use It’s like having a world-class coach in your pocket. YOUR COMPLETE TRAINING DASHBOARD See everything in one place. • Fitness vs fatigue tracking • Training load & intensity distribution • Performance trends over time • Heart rate & pace insights • Long-term progress tracking • Clear visual dashboard with actionable insights Know when to push. Know when to hold back. Know when you’re improving. DAILY CHECK-INS THAT PREVENT OVERTRAINING The most powerful habit for staying injury-free. Your daily physical and mental check-in connects how you feel with your training load so you can adjust before problems build. • 10-second daily check-in • Physical & mental readiness tracking • Early fatigue detection • Smarter training suggestions • Build consistency with daily streaks Small habit. Massive long-term gains. PLAN YOUR TRAINING AROUND REAL LIFE Training shouldn’t ignore your life — it should work with it. • Smart training calendar • Move, edit and plan sessions easily • Add work, travel & life events • Import future sessions from Garmin & Strava • Create default sessions for quick planning • AI suggestions based on your load & recovery Your training finally adapts to your life. COMPARE SESSIONS & SEE REAL PROGRESS Tag key sessions and compare them instantly. See how you’re actually improving: • Pace vs heart rate • Power & efficiency • Cadence & biomechanics • Heat vs cool conditions • Different shoes or equipment • Fatigue vs fitness Turn every session into learning. BLOOD LACTATE & TRUE TRAINING ZONES Train with precision. Connect your blood lactate testing to unlock: • Accurate heart rate zones • True threshold data • Personalised training intensities • Smarter endurance development • Data-driven performance gains Train like the pros — with real numbers. BUILT FOR ATHLETES WHO WANT MORE Whether you run, cycle, train hybrid, or just want to improve without burnout — this app helps you stay consistent and keep progressing. No guesswork. No generic plans. No blind training. Just clear insights, smart coaching, and one connected system guiding your training every day. AI Access subscription: £9.95/month or £89.95/year, with a free trial. Payment is charged to your Apple ID at purchase confirmation. Auto-renews unless cancelled at least 24h before the period ends. Manage/cancel in your Apple ID account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lactatetraining.ai/policies/privacy-policy

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. Both last shipped on November 4, 2026.

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 4, 2026.

Other comparisons