RepZero vs HyperFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RepZero
Track your gym progress with an intuitive workout logger that focuses on showing you real strength gains. Log sets quickly, monitor personal records live, and receive guidance on your next training steps. Integrates seamlessly with Apple Watch for a phone-free experience.
- Intuitive set logging with rest timers
- Live personal record updates
- Apple Watch integration
- Progress visualization and trends
- Muscle recovery insights
- Customizable workout routines
- AI-driven training recommendations
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RepZero is a weight lifting log and gym workout tracker for iPhone and Apple Watch. Log every set in seconds, see your records the moment you break them, and always know what to train next. It's built for people who want to know they're getting stronger, not just hope they are. LOGGING THAT KEEPS UP WITH YOU RepZero shows one set at a time: tap your weight and reps, log it, and the rest timer starts on its own. Supersets, drop sets, timed holds and cardio all work the way you'd expect. • Plate calculator: which plates go on each side of a barbell, trap bar, EZ bar or Smith machine • Warm-ups in one tap, ramping up to your first working set • Rest timer on your Lock Screen and in the Dynamic Island, with skip and log buttons • New personal records show up live, mid-workout • Start a workout from a widget, Control Center, Siri or Shortcuts BUILT FOR APPLE WATCH Leave your phone in your bag. Start a workout on your wrist, turn the Digital Crown to set weight and reps, and double tap to log. Heart rate and calories go to Apple Health, and everything syncs back to your iPhone. PROGRAMS THAT MOVE YOU FORWARD Follow a program and RepZero plans every session and raises your weights as you progress. Beginner Strength and Dumbbell Foundations are free. Upper/Lower Hypertrophy, Push/Pull/Legs, Strength Waves and Minimalist come with Pro, and so does building your own program from your routines. AN AI COACH IN YOUR POCKET Ask the AI coach about your training, from what to train today to building a new routine. It runs on device with Apple Intelligence on supported iPhones. SEE YOUR PROGRESS, CLEARLY • Estimated 1RM, PRs and records for every lift • Volume, workout and training-time trends • A weekly goal with streaks that give you credit for rest days • Muscle recovery at a glance • A full history of every workout, as a list or a calendar • Achievements that reward consistency START STRONG, STAY ORGANIZED Use a ready-made routine or build your own in minutes, and share routines and programs with a link. Bring your history from other apps with an AI-assisted import. Back up to iCloud, sync across devices with a free account, and export your data anytime. REPZERO PRO Pro is for lifters who want a plan, not just a log. • Coach: ranked next steps after every workout, like adding sets to a lagging muscle or breaking through a plateau, applied to your routines in one tap • Recovery check: reads last night's sleep, heart rate variability and resting heart rate from Apple Health and suggests going lighter or taking a rest day. Those readings never leave your device. • All six programs, plus programs you build yourself • Lift forecasts, strength levels and muscle balance • Unlimited custom routines (free includes 5) • Body measurements, Lift and Progress widgets, and premium themes • The Gainz Goblin: a pixel-art pet on your Today screen, Watch and Live Activity. Train and he stays fed. Skip too many days and he gets hungry. WHOEVER YOU ARE Chasing your first bodyweight bench, running a powerlifting block or just trying to get to the gym three times a week, RepZero shows you it's working and what to do next. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://darkmatterlabs.app/privacy
HyperFlow
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Progressive overload planned for every set, and live tempo coaching on iPhone and Apple Watch, both free. HyperFlow Max adds the AI workout optimizer, AI exercise creation, 1,500+ exercise videos and advanced analytics (7-day free trial). Know what to train today, how hard to work, and how to progress. HyperFlow is a science-based strength coach that turns your training history, goals and recovery into practical workout guidance. GUIDANCE YOU CAN UNDERSTAND HyperFlow brings training principles into your next session: exercise selection, sets, reps and load. Explore coach insights and in-app research references to understand the reasoning behind your training. TRAIN FOR MUSCLE GROWTH Follow progressive overload with a record of your weights, reps and training volume. Log your effort with RPE to give your training more context than weight alone. A PLAN THAT TAKES YOUR TRAINING INTO ACCOUNT HyperFlow Max adds the AI workout optimizer and AI exercise creation. Use guidance informed by your goals, training history and recovery to plan your next session. COACHING FOR EVERY REP Live tempo cues (lower, pause, lift, squeeze) on iPhone and Apple Watch keep every rep controlled, so each set counts. SEE YOUR TRAINING ADD UP Keep your workout history and review what you have done. HyperFlow Max adds advanced analytics and a larger exercise library with videos to help you explore your training in more detail. START WITH FREE WORKOUT LOGGING Log your workouts, sets and reps, use the rest timer, and keep your training history. The Essentials exercise library and core logging remain free. Build your next session on more than guesswork. ——— HyperFlow Max — 7-day free trial Free forever: log every workout and set, full training history, rest timer, and the Essentials exercise library. HyperFlow Max unlocks: the complete 1,500+ exercise library with video, the AI workout optimizer, advanced analytics and PR tracking, and custom & AI exercise creation. - Monthly and yearly plans both start with a 7-day free trial for new subscribers. - Payment is charged to your Apple ID at confirmation of purchase. - Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. - Manage or cancel anytime in your App Store account settings. - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: HyperFlow at every 4 days against RepZero's fortnightly. HyperFlow also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support 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. RepZero sells 2 in-app purchases, starting at $1.99 per month and HyperFlow sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
RepZero ships an update fortnightly, HyperFlow every 4 days. Both last shipped on October 24, 2026.
| Parameter | RepZero | HyperFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 144 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Dark Matter AI Labs LLC | Oliwia Ratajczak |
In-app purchases
RepZero
- RepZero Pro Monthly14 Days trial$1.991 Month
- RepZero Pro Yearly14 Days trial$19.991 Year
HyperFlow
- HyperFlow Max — Monthly7 Days trial$12.991 Month
- HyperFlow Max — Yearly7 Days trial$49.991 Year









