Endorphins Running vs IndexFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Endorphins Running
This app provides science-backed, personalized training plans for runners of all levels, from beginners to marathoners. It offers expert coaching, real-time progress tracking, and integrates with popular wearables. Users can also join a large community for in-person training events and support.
- Personalized adaptive training plans
- Real-time progress tracking
- Expert coaching and support
- 1500+ community events
- Wearable device integration
- Strength and recovery programs
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Reach your next finish line with Endorphins — the top-rated training app powered by science, built by world-class coaches, and backed by the largest run community in the country. Whether you’re running your first 5K or chasing a Boston Qualifier, Endorphins gives you personalized plans, real-time progress tracking, expert coaching, and an in person community of 1500 events to help get you there. WHY THOUSANDS OF RUNNERS RUN & TRAIN WITH ENDORPHINS: 1) Personalized Coaching Plans We build your training plan around you—your pace, your race, your goals. Whether it's a 5K, 10K, half, full, or ultra, your plan adapts as you go. 2) 1500 Community Events A Year Train with other runners who share the same goals as you 3) Train Smarter with Wearables Sync your Garmin, COROS, or Strava to track runs in real time. We use your data to adjust your plan and optimize every workout. 4) Strength + Recovery Built In Our strength programs compliment your running schedule for optimal improvements and gains. 5) Real Coaches. Real Results. Our team has trained thousands of runners—from first-timers to sub-elites. You’re never more than a message away from expert support. JOIN THE LARGEST RUN COMMUNITY IN AMERICA: 1) In-Person Energy We host 1,500+ free group runs a year in 12+ cities. From long runs to shakeouts, connect with others who share the same goals and values as you. 2) Community Benefits Endorphins members get access to drops, exclusive partner benefits, and race-weekend events. 3) Track Progress + Stay Accountable From weekly goals to post-run recaps, we keep you on track and connected to your training—day in, day out. 4) Built to Grow With You As your goals evolve, so does your training. Whether you’re starting from scratch or going sub-3, we’ve got the plan. PLANS FOR EVERY GOAL: First-time 5K to your next marathon PR Strength + mobility for runners Recovery programs post-race or post-injury And more, always evolving COMPATIBLE WITH: Garmin, COROS, Strava, and more. ENDORPHINS PREMIUM: Unlock the full experience with a 7-day free trial. Train smarter with adaptive plans, real-time sync, and exclusive coaching content. $20/month or $120/year — cancel anytime. Subscriptions auto-renew. Manage in your iTunes settings. APPLE HEALTH INTEGRATION: Endorphins uses your health data for accurate heart rate, distance, and pace tracking when using Apple Watch. 18+ ONLY: Endorphins is for adults 18+. Accounts may be removed if underage use is detected. Apple's standard license agreement applies to Endorphins Premium purchases: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
IndexFit
This app gamifies fitness by turning workout progress into competitive leagues and fantasy sports elements. It offers AI-driven workout plans, tracks various activities, and allows users to import existing training data.
- AI-generated workout plans
- Strength and aerobic activity tracking
- Fantasy sports-inspired leagues and competition
- Workout video analysis for plan generation
- Import of existing training data (CSV, notes, pictures)
- Progress tracking with XP and standings
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IndexFit makes training feel like a game. The only fantasy fitness designed workout app that integrates strength, aerobic, AND health activities in a fantasy football inspired workout app. Track strength sessions, runs, plan marathon training, and recovery, then turn your progress into XP, league standings, matchups, projections, and weekly goals. Compete with friends, make it to playoffs, and see how every workout moves your score. Meet Indy, your AI training partner. Tell Indy your goals, schedule and experience, and it builds a strength and running plan around you. Message Indy to adjust a workout, shorten a session or decide what to do today. After every workout or run, Indy checks in and suggests what to change next. You can also paste a workout video, import old notes, upload a picture, or bring in a CSV, and IndexFit turns messy training ideas into clean workout history and usable plans. Indy and the other AI features are part of IndexFit Pro. New subscribers can try the yearly plan free for 3 days. Use IndexFit to: - Track strength workouts with sets, reps, weight, volume, and PRs - Log runs and activity with Apple Watch - Compete in leagues, matchups, and playoffs - See XP, projections, trends, and progress over time - Paste workout videos and generate structured workouts - Build a strength and running plan with Indy, your AI coach - Message Indy to adjust workouts, shorten sessions, or decide what to do today - Get a check-in from Indy after every workout and run - Set goals and follow your progress toward them - Log meals from a photo or a quick note - Import old training from pictures, notes, and CSV files - IndexFit is built for people who want training to feel more alive: serious enough to track progress, flexible enough for real life, and competitive enough to keep you coming back. Terms of Service → https://indexfit.app/termsofservice Privacy Policy → https://indexfit.app/privacy
Screenshots
Verdict
The clearest difference is ads: Endorphins Running at none against IndexFit's shown. Endorphins Running also leads on ratings volume (919 vs 4) and iOS requirement (16.4 vs 18.4). On price, rating, review sentiment and update cadence 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. Endorphins Running sells 4 in-app purchases, starting at $19.99 per month and IndexFit sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Endorphins Running against 4.8 for IndexFit. That said, the two scores are not equally well evidenced: Endorphins Running has 919 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 98% of Endorphins Running's written reviews are positive against 100% of IndexFit's.
Endorphins Running ships an update every 2 weeks, IndexFit every 9 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Endorphins Running | IndexFit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (919 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | 98.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 919 — better | 4 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 16.4 — better | 18.4 |
| Further details — not scored | ||
| Size | 177 MB | 88 MB |
| Age rating | 12+ | 12+ |
| Developer | Endorphins Running LLC | Brandan Balasingham |
Customer experience
Endorphins Running
IndexFit
In-app purchases
Endorphins Running
- Monthly7 Days trial$19.991 Month
- Monthly$19.991 Month
- Yearly7 Days trial$119.991 Year
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- Yearly$119.991 Year
IndexFit
- IndexFit Pro Student Monthly$9.991 Month
- IndexFit Pro Monthly$14.991 Month
- IndexFit Pro Student Annual$89.991 Year
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- IndexFit Pro Annual3 Days trial$99.991 Year
- Extended use$9.99









