ShredFit vs The Running Algorithm
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ShredFit
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Build your perfect running week in seconds - just talk. ShredFit listens to your voice and creates a personalised training plan based on your goals, fitness level, and schedule. Whether you're training for a 5K, 10K, half marathon, or marathon, ShredFit adapts your plan every week based on how training went. β’ Voice-powered - describe your week, get your plan β’ Personalised paces and sessions β’ 500+ workout library β’ Progress tracking and streaks β’ Adapts as you improve Built by coaches, powered by AI. ShredFit requires a subscription to access all features. ShredFit Premium: Β£4.99/month. Auto-renews monthly. Cancel anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://shredfit.io/terms.html Privacy Policy: https://shredfit.io/privacy.html
The Running Algorithm
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The Running Algorithm is your personal running coach in your pocket. Tell us when you're available and we'll handle everything else. All you need to do is run. Most training plans break the moment real life gets in the way. A late meeting, a rough night's sleep, a missed session, and suddenly you're behind and trying to cram. The Running Algorithm works differently. It builds a fully flexible plan around your schedule, then adapts automatically as your week, and your body, changes. ADAPTIVE TRAINING THAT FITS YOUR LIFE Plans are built around the days and times you can actually run. If your plans change, your plan changes with them. No more falling behind, no more guesswork about.how to adjust your training, we handle it for you. TRAIN FOR ANY DISTANCE Whether you're chasing your first 5K, a 10K personal best, a half marathon, or your first full marathon, The Running Algorithm builds the right plan for your goal. Add as many events as you like and we'll plan the training around all of them. No need to cancel and restart plans between events, we remember what youβve done and use that to build toward your next goal when one finishes. FEEDBACK THAT SHAPES YOUR PLAN After every run, you tell us how it went. The platform uses that feedback to track your freshness and fatigue, then adjusts upcoming sessions so your training always matches how you're feeling and how much time you have. SMART, INJURY-AWARE PROGRESSION Our fatigue model is designed to keep your training sustainable. By balancing hard and easy days intelligently, we help you avoid the back-to-back hard sessions that lead to burnout and injury. This means that you can stay consistent and improve faster. BUILT BY RUNNERS, COACHES AND DATA SCIENTISTS We combine cutting-edge machine learning with custom sessions designed by world-leading experts. The result is a plan that's both scientifically grounded and genuinely personal to you. WHY RUNNERS LOVE IT - Plans that flex around work, family and life - Automatic adjustments when your schedule or energy shifts - A clear session waiting for you every time you open the app - Run analysis and fatigue tracking to monitor your progress - Custom expert-built sessions across our five training zones - Support for 5K, 10K, half marathon and marathon goals HOW IT WORKS 1. Plan β Add your events and tell us your availability. 2. Train β Follow a plan built around your real schedule. 3. Feedback β Rate each run so we know how you're progressing. 4. Adapt β Your plan updates based on your feedback and your week. 5. Improve β Train consistently and optimally to get faster. Optimised training leads to the fastest improvements. Runners using The Running Algorithm stay more consistent and get faster as a result. Stop wrestling with rigid plans that don't understand your life. Let The Running Algorithm handle the planning so you can focus on the running. A subscription gives you full access to The Running Algorithm for Β£9.99 per month. Start your free trial today and run smarter, safer, and faster. No need for payment details until youβre sure you love it. Terms: https://app.therunningalgorithm.com/policies/terms-and-conditions Privacy: https://app.therunningalgorithm.com/policies/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: The Running Algorithm at none against ShredFit's 1. ShredFit's advantage is iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support 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. ShredFit sells 1 in-app purchase, starting at $4.99 per month. The Running Algorithm asks for nothing beyond the download.
ShredFit ships an update every 2 weeks, The Running Algorithm every 3 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | ShredFit | The Running Algorithm |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 18.6 |
| Further details β not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Freddi George McKinlay | TRA Technologies Limited |
In-app purchases
ShredFit
- ShredFit Premium$4.991 Month
The Running Algorithm
No in-app purchases
Questions
Is ShredFit free?
Is The Running Algorithm free?
Do ShredFit or The Running Algorithm have ads?
Which is updated more often, ShredFit or The Running Algorithm?
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