Fix8 vs OptiRep
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fix8
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Fix8 is your kettlebell sport training sidekick; part rep counter, part training log, part AI nerd that will help you improve as an athlete. Built by lifters, for lifters, Fix8 helps you turn random training videos and scribbled notes into clear, structured feedback you can actually use. What you can do with Fix8 - Record your sets Capture your kettlebell sets right in the app so all your training footage lives in one place instead of βsomewhere in my camera rollβ. Track sets like a judge, not a guess Log key details for each session β event, bell weight, set duration, and pace β so you can see how todayβs work stacks up against last weekβs. See your training trends Get an at-a-glance view of volume and pace over time, helping you dial in when to push, when to hold, and when to chill before comp. Train smarter, not just harder Fix8 is built around kettlebell sport: long sets, cadence, fixation and efficiency. The app helps you stay honest with your technique and effort. Built for athletes Created with the sport in mind. Use it to simply track your reps, or use judging mode to improve your consistency. Designed for real-life lifters Travel, dodgy gym lighting, different platforms β Fix8 is made for the chaos of comp prep and everyday training, not just perfect studio conditions. If you love kettlebell sport, hate guessing, and want your training data to work as hard as you do, Fix8 is for you.
OptiRep
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Your phone counts your reps. AI analyzes your form. You just move. OptiRep uses real-time AI pose detection to automatically count every rep, score your technique from 0 to 100, and coach you with instant feedback β completely hands-free. No wearables. No manual logging. Just place your phone, start your workout, and let the camera handle the rest. All camera processing happens on-device. No video is ever uploaded, stored, or shared. SMART REP COUNTING OptiRep detects 33 body landmarks every frame and counts your reps automatically. Bad rep? The system rejects it and tells you exactly why β too fast, not deep enough, or insufficient range of motion. Works with 66 exercises including push-ups, squats, lunges, burpees, planks, kettlebell swings, and more across 7 categories. REAL-TIME FORM ANALYSIS & VOICE COACHING Get instant corrections like "Keep your back straight" or "Go deeper" while you train. Every set receives a form score (0β100%). Voice Coach announces your rep count and delivers motivation β in English and Turkish. RACE AGAINST TIME A new challenge format where you race to hit your target reps before the clock runs out. How fast can you go? ADAPTIVE WEEKLY PROGRAMS Your personalized plan is generated from 15+ variables: age, weight, goals, experience level, available equipment, injuries, and lifestyle. Unlike static 4-week plans, OptiRep adapts every week based on your actual performance. Progressive overload is calculated automatically. Each session includes warm-up, main block, and cool-down. GAMIFICATION & REWARDS Earn XP for every rep, set, and completed workout. Level up from Beginner to Champion with unique titles. Build streaks, unlock badges (Bronze, Silver, Gold), complete daily and weekly challenges, and collect tokens to spend in the Shop. Combo system multiplies XP for consecutive good-form reps. SOCIAL & DUELS Challenge friends to head-to-head rep battles. Follow their workouts, badge achievements, and level-ups in the social feed. Climb the weekly leaderboard. Prove who trains harder. AI COACHING Powered by Claude AI. Get personalized advice, workout suggestions, and progress insights based on your training history, level, and goals. DETAILED PROGRESS TRACKING Up to 150 days of workout history with reps, duration, and form scores. Trend analysis charts, activity heatmaps, and personal records for every exercise. Export your data anytime. CUSTOM ROUTINES Build and save your own workout routines. Pick any exercises, set your own targets, and track progress across sessions. Start your 7-day FREE trial and train smarter today. Terms of Use: https://yunusipek-dev.github.io/optirep-legal/terms.html Privacy Policy: https://yunusipek-dev.github.io/optirep-legal/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Fix8 at none against OptiRep's 2. Fix8 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, update cadence and ads 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. OptiRep sells 2 in-app purchases, starting at $5.99 per 7 days. Fix8 asks for nothing beyond the download.
Fix8 ships an update monthly, OptiRep fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Fix8 | OptiRep |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Fortnightly β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 18.0 |
| Further details β not scored | ||
| Size | 52 MB | 127 MB |
| Age rating | 4+ | 4+ |
| Developer | VALERIE Abbott | Berat Yunus IPEK |
In-app purchases
Fix8
No in-app purchases
OptiRep
- OptiRep Premium$5.997 Days
- OptiRep Premium$44.991 Year









