KRIO vs Workout Tracker
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
KRIO
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Krio is an AI-powered fitness tracker that builds personalized workout programs and adapts to your body every single day. Tell Krio your goals, experience level, and available equipment. In seconds, the AI generates a complete training program from a library of 873+ exercises ā with optional warmup and cooldown routines built in. SMART DAILY RECOMMENDATIONS Every time you open Krio, it knows exactly what you should train. The muscle fatigue algorithm analyzes your recent sessions, tracks recovery across every muscle group, and recommends the ideal workout for today ā or tells you to rest when your body needs it. REAL-TIME WORKOUT TRACKING Log sets, reps, and weights as you train. Krio tracks your progress in real time with a clean interface designed for the gym floor. A global rest timer follows you between exercises so you never lose your place. 873+ EXERCISES WITH DETAILED GUIDES Every exercise comes with step-by-step instructions, muscle activation data, and equipment requirements. Filter by muscle group, equipment, difficulty, or movement pattern to find exactly what you need. MUSCLE RECOVERY MAP See your entire body's recovery status at a glance. The visual muscle map shows which muscles are fresh and ready to train, and which ones need more time. Make smarter decisions about when and what to train. AI WORKOUT GENERATION Need a new program? Describe your goal, pick your equipment, and let the AI build it. Choose to include warmup stretches, cooldown routines, or both. Every generated workout uses real exercises with proper progressions. APPLE HEALTH INTEGRATION Connect Apple Health to bring all your workouts into one place. Krio reads your Apple Watch runs, walks, cycling, and more ā then factors them into your daily recommendations. Your cardio counts. PROGRESSIVE OVERLOAD BUILT IN Krio suggests weights and reps based on your history. See your personal records, track volume over time, and keep pushing forward with data-driven progression. WORKS OFFLINE No internet? No problem. Krio works completely offline with local-first storage. Your workouts, programs, and history are always available. Everything syncs automatically when you're back online. WEEKLY PLANNER Assign workouts to specific days of the week. See your training schedule at a glance and build consistency with a structured weekly plan. PROGRAMS THAT GROW WITH YOU Build your own templates or let AI create them. Organize exercises with drag-and-drop, customize sets and reps, and save programs you can repeat and improve on. --- KRIO PRO Unlock unlimited AI workout generation, enhanced daily recommendations with AI reasoning, and priority access to new features. Subscription options: - Monthly Plan: Auto-renewing subscription - Yearly Plan: Auto-renewing subscription (save over 50%) - Lifetime Plan: One-time purchase, unlimited access forever Payment will be charged to your Apple ID account at purchase confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your Apple ID account settings. No cancellation of the current subscription is allowed during the active period. Privacy Policy: https://krio.app/privacy Terms of Use: https://krio.app/terms
Workout Tracker
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PR King - Rule Your Progress. PR King is the ultimate PR and WOD tracker built for serious functional fitness athletes who want measurable progress. Stop guessing your numbers. Stop digging through notes. Start tracking like a king. Whether you're chasing a new one-rep max or pushing through brutal workouts, PR King helps you log, track, and improve every session with clarity. TRACK WHAT MATTERS ⢠One-rep maxes (Back Squat, Deadlift, Snatch, Clean & Jerk & more) ⢠Benchmark workouts ⢠Custom WODs ⢠Accessory lifts ⢠Strength progression over time ⢠Complete workout history Everything in one clean, powerful dashboard. SEE REAL PROGRESS PR King makes your numbers impossible to ignore. ⢠View your latest PR instantly ⢠Track all-time best lifts ⢠Monitor previous attempts ⢠Spot strength increases over time ⢠Identify plateaus before they slow you down Progress is motivating when you can see it. BUILT FOR REAL TRAINING Designed for fast logging between sets and during workouts. ⢠Quick entry with minimal taps ⢠Clean, distraction-free interface ⢠Dark mode ready for gym lighting ⢠No clutter. No spreadsheets. No wasted time. When you walk into the gym, you should know your numbers before you load the bar. TRAIN SMARTER Know your last lift. Know your current PR. Know your next goal. PR King keeps you focused on improvement ā not paperwork. BECOME THE KING OF YOUR PRs Every athlete wants progress. PR King helps you track it, beat it, and own it.
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Verdict
The clearest difference is update cadence: Workout Tracker at every 2 days against KRIO's every 3 weeks. KRIO's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. KRIO sells 2 in-app purchases, starting at $14.99 per month and Workout Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
KRIO ships an update every 3 weeks, Workout Tracker every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | KRIO | Workout Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 days ā better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 109 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Ophanic Yazilim Teknoloji Ve Danismanlik Anonim Sirketi | Danilo Vilhena |
In-app purchases
KRIO
- Krio Pro Monthly$14.991 Month
- Krio Pro Annual7 Days trial$59.991 Year
Workout Tracker
- Pro$4.99








