Comparison

Training Visualizer vs Sleep Tracker

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

Head to head
About

Training Visualizer

Features
Read full description

See what your Apple Health workout data actually says about your training. Training Visualizer transforms your workout history into clear trends, interactive charts and detailed statistics. Explore your progress, compare workouts and unlock deeper insights with AI — now optimized for iPhone Duo. **Understand your training over time** Explore weeks, months and years of training with interactive charts showing distance, duration, pace, heart rate, calories, elevation, steps and more. Discover patterns and see how your fitness develops. **Analyze your training with AI** Export structured workout and health data for detailed analysis using AI tools such as ChatGPT, or use quick AI-assisted analysis directly in the app. Get a clearer understanding of your performance and progress. **Compare workouts and periods** Browse your complete workout history, examine individual sessions and compare different periods. Identify changes in training volume, pace, intensity and consistency. **Optimized for iPhone Duo** Enjoy a layout designed to take advantage of iPhone Duo's unique display. Explore your training data, charts and workout statistics with an interface adapted for the larger screen. **Built for Apple Health** Training Visualizer works with your existing Apple Health and HealthKit workout data. No manual logging, separate training diary or complicated setup required. **Your data stays private** No account. No advertising. No tracking. Your workout history is not stored on our servers. You stay in control of what you choose to export or share. **Completely free. No subscription.** All features are available without recurring fees, advertising or hidden subscriptions. Whether you run, cycle, walk, hike or combine several activities, Training Visualizer helps turn years of workout history into meaningful insights you can actually use. Train smarter. Understand your progress. Make your data work for you.

About

Sleep Tracker

Features
Read full description

AI Health Tracker & Journal Take control of your health with AI Health Tracker & Journal, the all-in-one app to monitor your daily steps, sleep, heart rate, stress, and recovery. Stay informed and motivated with personalized insights that help you optimize your well-being. Key Features: • Track key health metrics: steps, sleep, heart rate, calories burned, and stress levels • Monitor recovery and fitness trends with weekly and monthly detailed analytics • Smart notifications keep you on track without overwhelming your day • Customize your experience with dark mode and easy settings controls • Visualize your progress and stay motivated with intuitive charts and trend views • Journal your health journey and record notes for personalized insights • Designed for all fitness levels and backed by AI-powered tracking technology Whether you want to improve your cardiovascular health, optimize recovery, or simply stay active, AI Health Tracker & Journal provides everything you need in one seamless app. Download now to start your journey to better health and lasting wellness!

Screenshots

Training Visualizer4 screens
Sleep Tracker4 screens

Verdict

The call

The clearest difference is iOS requirement: Sleep Tracker at 17.4 against Training Visualizer's 26.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
Training Visualizer versus Sleep Tracker: the parameters behind the verdict, then further details
ParameterTraining VisualizerSleep Tracker
PriceFreeFree
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS26.617.4 — better
Further details — not scored
Size5 MB179 MB
Age rating4+4+
DeveloperFredrik DalmoIdentiq Infotech

In-app purchases

None

Training Visualizer

No in-app purchases

None

Sleep Tracker

No in-app purchases

Questions

Is Training Visualizer free?
Training Visualizer is free to download, with no in-app purchases.
Is Sleep Tracker free?
Sleep Tracker is free to download, with no in-app purchases.
Do Training Visualizer or Sleep Tracker have ads?
Neither Training Visualizer nor Sleep Tracker shows ads.
Which is updated more often, Training Visualizer or Sleep Tracker?
Training Visualizer ships an update monthly, and Sleep Tracker monthly. Most recently, Training Visualizer was updated on October 28, 2026 and Sleep Tracker on October 30, 2026.

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