Fuelin vs T
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fuelin
This app provides personalized sports nutrition plans for athletes, adapting daily calorie and macro targets to workouts and goals. It offers smart meal recommendations, workout fueling guidance, and body composition management. Log food easily via voice, text, or barcode scanning.
- Personalized daily nutrition targets
- Workout and race fueling guidance
- Smart meal and portion recommendations
- AI-powered food logging
- Body composition management
- Workout integration with popular platforms
- Hydration and gut training tools
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Fuelin is a personalized sports nutrition and fueling app for runners, cyclists, triathletes, hybrid athletes, and anyone who trains. It tells you what, when, and how much to eat: your daily calorie, carbohydrate, protein, and fat targets adapt to your workouts and goals, so you can fuel training, recover well, and manage body composition. Fully automated, no math required. Fuelin is trusted by 100K+ athletes. WHO IT'S FOR Whether your goal is everyday fitness, weight loss, muscle gain, HYROX, a marathon, or IRONMAN, Fuelin plans your nutrition. Supports 30+ sports and activities, from swimming to CrossFit. NUTRITION THAT ADAPTS TO YOUR TRAINING • Daily nutrition planning: calorie and macro targets adapt to planned and completed workouts, so hard days get more fuel and rest days less. • Smart Meals: personalized meal and portion recommendations based on your goals, training, and preferences. • Smart Adjustments: upcoming meal targets rebalance based on what you've already eaten. • Workout and race fueling: guidance on what to eat and drink before, during, and after runs, rides, and hard sessions, plus Race Week coach insights. • Body composition: lose weight or build muscle while still fueling your workouts. • Simple food logging: talk or type to the AI food logger, scan a barcode, save recipes and meals, and log in units like scoops or slices. PERSONALIZED TO YOU Fuelin builds your plan around your goal, body weight, gender, athlete experience level, and daily activity level. It estimates your resting metabolic rate (RMR), functional threshold power (FTP), and threshold pace, or you can enter your own. BUILT WITH SPORTS NUTRITION EXPERTS Created by sports dietitians, including co-founder Scott Tindal (20+ years in pro sport) and Dr. Alan McCubbin (researcher, 20 years with endurance athletes). IRONMAN World Champions Jan Frodeno and Daniela Ryf are on the team. WORKOUT INTEGRATIONS Connect Garmin, Strava, TrainingPeaks, V.O2, Pushing Limits, Final Surge, HumanGO, TriDot, or RunDot. You can also add workouts manually. HYDRATION, GUT TRAINING & MORE • Sweat Rate Tracker: measure sweat rate to guide hydration. • Carb Capacity Testing: gut training for endurance exercise. • In-app lessons on portions, supplements, and energy balance. • Community chat with Fuelin athletes. • Fuel Shop: member perks from Maurten, Momentous, and other partners. COMMON QUESTIONS How is Fuelin different from a calorie tracker? Calorie trackers count what you eat against a target. Fuelin sets that target from your workouts and goals, recommends meals and portions, and rebalances upcoming meal targets around what you've eaten. Do I need to be training for a race? No. Fuelin supports everyday training and rest days, whether your goal is more energy, weight loss, muscle gain, or an event. Can I use MyFitnessPal or Lose It!? Nutrition data from MyFitnessPal or Lose It! can sync to Fuelin through Apple Health. Does Fuelin include a human coach? Autopilot, Fuelin's core plan, is fully automated and doesn't include a coach. Copilot adds 1:1 messaging with a Fuelin nutrition coach and live group coaching every two weeks. WHAT ATHLETES SAY "Fuelin is the daily companion to take the guess work out of nutrition that I wish I had earlier in my career." - Jan Frodeno, 3x IRONMAN World Champion PLANS Fuelin requires a paid subscription. Autopilot: automated nutrition planning, Smart Meals, Smart Adjustments, food logging, workout syncing, hydration and gut-training tools, lessons, and community chat. Copilot: everything in Autopilot plus 1:1 coach messaging and live group coaching every two weeks. Medical Disclaimer: Seek a doctor's advice in addition to using this app and before making any medical decisions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ U.S. Barcode Food Database Powered by FatSecret: https://fatsecret.com International Barcode Food Database Powered by Open Food Facts: https://openfoodfacts.org
T
This app helps triathletes organize race day logistics, track results, plan nutrition, and manage gear. It also connects athletes with a community for sharing advice and finding training partners.
- Race day checklists
- Nutrition planning
- Gear tracking and wishlist
- Course map access
- Race results tracking
- Community forums and messaging
- PacePal partner matching
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T-Zero is the all-in-one triathlon companion built to help athletes stay organized, prepared, and connected throughout their journey. Whether you’re gearing up for your first sprint or your tenth Ironman, T-Zero gives you the tools to simplify planning, maximize performance, and stay focused on what matters most—your race. Your Athlete Toolbox Stay race-ready with powerful tools designed for triathletes: Results Tracking: Keep all your upcoming and past race results in one place. Gear List & Gear Bag: Track your essentials, curate your personal gear bag, or add items to your wishlist. Checklist: Never forget your goggles, race belt, or gels again—build and customize race-day checklists. Nutrition Planner: Plan and compare your pre-race, in-race, and post-race nutrition to hit your performance goals. Course Maps: Access swim, bike, and run course details right from the app. Reminders: Set alerts for key pre-race tasks like registration, packing, or travel. Document Storage: Store essentials like QR codes for check-in, hotel or rental car confirmations, and race waivers. Pre & Post-Race Journal: Reflect on your preparation and performance to keep improving every event. Gear Board & Gear Bag The T-Zero Gear Board is your hub for discovering and sharing equipment: Browse popular items recommended by other athletes. Post your own gear to share experiences and advice. Curate your personal Gear Bag with owned items or build a wishlist for future races. Connect directly with athletes who own specific gear to ask questions and get real-world feedback. Connect with the Triathlon Community Triathlon is more than just the race—it’s the community. T-Zero brings athletes together with features that make connecting easy and meaningful: Find coaches and teams, join, and track each other's progress Race Forums: Join course-specific conversations with other participants. Share tips, race reports, and advice. Direct Messaging: Chat one-on-one with athletes in the community. Gear Board Discussions: Exchange reviews and recommendations on the equipment you rely on. PacePal Partner Matching: Find local athletes training at similar paces or distances, so you can prepare together. Race Database & Reviews Explore a searchable database of races—from local sprints to international Ironman events: Browse detailed race info, ratings, and reviews from fellow athletes. Add races directly to your personal calendar and start planning with T-Zero’s toolbox. Keep track of your progress with official and personal results stored in one convenient place. Resources for Every Athlete Access a growing library of articles covering race strategy, nutrition tips, equipment reviews, and training insights—everything you need to learn and improve between races. Why T-Zero? Triathlon is complex. Between training, gear, nutrition, and logistics, staying on top of it all can feel overwhelming. T-Zero simplifies the process by putting every essential tool in one place—helping you focus on performance, and making race prep a little less stressful. Whether you’re racing to finish, racing for a PR, or racing to qualify, T-Zero is the transition before the starting gun—the place where every great race begins.
Screenshots
Verdict
Fuelin and T both sit at 4.5 stars, but that hides the real split: 100% of T's written reviews are positive against 51% of Fuelin's. T also leads on in-app purchases (none vs 5). Fuelin's advantage is ratings volume (1.3K vs 3). On price, rating, update cadence and ads 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. Fuelin sells 5 in-app purchases, starting at $29.00 per month. T asks for nothing beyond the download.
T holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Fuelin has 1.3K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 51% of Fuelin's written reviews are positive against 100% of T's.
Fuelin ships an update every 10 days, T every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Fuelin | T |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.3K ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 50.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.3K — better | 3 |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 17.2 |
| Further details — not scored | ||
| Size | 87 MB | 14 MB |
| Age rating | 17+ | 12+ |
| Developer | Thrive AI Labs | Jatuzzi LLC |
Customer experience
Fuelin
T
In-app purchases
Fuelin
- Autopilot Monthly Plan$29.001 Month
- Copilot Monthly$99.001 Month
- Autopilot Yearly Plan$139.001 Year
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- Autopilot Yearly7 Days trial$139.001 Year
- Copilot Yearly$399.001 Year
T
No in-app purchases









