qalcha. vs Halvo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
qalcha.
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Unlock your athletic potential with the qalcha. trainings App Whether you're a runner, hybrid athlete, triathlete, or simply looking to elevate your fitness journey, qalcha has you covered. Designed for beginners, amateurs, and professionals, the app delivers personalized training plans tailored to your unique goalsβbacked by expert coaching every step of your way. Key Features to Elevate Your Training - Personalized Training Plans - Weekly schedules are customized to fit your availability, fitness level, and specific performance goals. Cycle-Based Training for Women - Experience training optimized for sustainable progress and performance throughout your menstrual cycle. Real-Time Coach Feedback - Stay connected with your coach via our integrated chat for consistent guidance and motivation. Comprehensive Performance Dashboard - Sync with your sports watch to track your performance metrics and visualize your progress. Adaptive Training Programs - Adjust your plans effortlessly to fit your lifestyle, including vacations, injuries, and other changes. Challenges, Technique Videos, and Workout Inspiration - Access engaging challenges, instructional content, and workout ideas to keep your training fresh and fun. Train Smarter. Push Harder. Achieve More. With qalcha, youβll not only train harder but also smarter, ensuring every workout brings you closer to your goals. Start your journey today with qalcha and redefine whatβs possible. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://qalcha.com/en/privacy-policy/
Halvo
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Your last coffee decides your night. Halvo shows you how much caffeine is actually working in you right now β and tells you the point after which the next cup starts costing you sleep. Your personal cut-off. Most caffeine apps count milligrams. Halvo works with the caffeine that actually reaches your system: it rises, peaks and fades. Halvo predicts how much of it is still there when you go to bed. YOUR PERSONAL CUT-OFF Everyone clears caffeine at a different speed. Halvo shows you the latest you can have a cup without too much of it still active when you fall asleep. LOG IN SECONDS Add coffee, espresso, tea, energy drinks, soda, mate or your own pre-workout in a few taps. Halvo sums it up automatically and shows how much is still working. ON YOUR HOME SCREEN AND ON YOUR WRIST The widget shows your level and your cut-off without opening the app β one tap logs your favourite drink. In the evening it switches to "lights out" on its own. Plus Apple Watch with a complication for a glance-and-go check. SEE YOUR CURVE Watch caffeine rise, peak and fade on a real concentration curve β and see exactly where you'll land when your head hits the pillow. A MODEL THAT LEARNS YOU β HONESTLY (PRO) With your permission, Halvo reads your sleep, heart rate and HRV from Apple Health and learns your personal caffeine half-life over time. Here's what makes it different: when the signal in your data is too weak to be sure, Halvo says so and keeps using the population value β instead of faking precision it doesn't have. WORKS WITH YOUR WEARABLES (PRO) Apple Watch, Oura, Whoop, Garmin β anything that syncs sleep and heart data to Apple Health. Halvo never connects to those services directly; it only reads what's already in Apple Health. PRIVATE BY DESIGN Your intake and health data are processed on your device. Halvo doesn't sell your data. FREE & PRO Logging caffeine, seeing your curve, using the widget and finding your cut-off are free. Halvo Pro adds the personal learning model and the nightly sleep analysis. Halvo Pro: β’ Monthly β $3.99 β’ Yearly β $24.99 (with 1 month free) β’ Lifetime β $44.99 one-time (no subscription) Payment is charged to your Apple Account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Lifetime is a one-time purchase. Prices may vary by region. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://halvo.jnmcloud.de/privacy.html Halvo is not a medical device and does not diagnose, treat or prevent any condition. It helps you make more informed choices about caffeine.
Screenshots
Verdict
The clearest difference is iOS requirement: qalcha. at 15.1 against Halvo's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. qalcha. sells 10 in-app purchases, starting at $45.00 per month and Halvo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
qalcha. ships an update every 3 weeks, Halvo monthly. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.
| Parameter | qalcha. | Halvo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 61 MB | 8 MB |
| Age rating | 17+ | 4+ |
| Developer | ZPTW Sports GmbH | Jan Niklas Molleken |
In-app purchases
qalcha.
- Hybrid Plan$45.001 Month
- Triathlon Plan$45.001 Month
- Running Plan$49.991 Month
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- Hyrox Pro Plan$129.001 Month
- Hyrox Plan$129.001 Month
- Running Advanced Plan$129.001 Month
- Running Beginner Plan$129.001 Month
- Tribrid Plan$129.001 Month
- Triathlon Beginner Plan$129.001 Month
- 8 weeks Hyrox preperation$79.99
Halvo
- Halvo Pro β Monthly$3.991 Month
- Halvo Pro Lifetime$29.99









