Flex AI Workout Trainer & Log vs F1T
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex AI Workout Trainer & Log
This app uses AI to provide personalized workout plans and real-time form feedback for weightlifters. It tracks progress, offers adaptive progression, and includes motivational features like leaderboards and streaks. It's designed for all experience levels, from beginners to pros.
- AI personal trainer
- Real-time form feedback
- Personalized workout plans
- Adaptive progression
- Strength tracking
- Community leaderboards
- Apple Watch integration
Read full descriptionHide full description
Flex AI is the world’s first true AI personal trainer — built for lifters who want to train smarter, progress faster, and perfect their form. Whether you’re chasing size, strength, or consistency, Flex uses real-time AI to guide every rep, adjust your program, and keep you motivated through challenges, leaderboards, and streaks. - Your AI Coach, Every Rep Personalized workouts built automatically by AI personas that learn your goals, history, and preferences. Real-time form feedback powered by patented computer-vision AI — get instant corrections on squats, bench, deadlift, rows, and more. Adaptive progression and deloading backed by sports-science principles — no spreadsheets, no guesswork. - Train Smarter — See Results AI tracks your strength curve and increases weight when you’re ready. Visual progress graphs show PRs, volume, and recovery trends. Track sets, reps, and tempo with a tap — or automatically with Apple Watch. - Stay Motivated & Connected Join a global community of lifters. Compete on leaderboards, build streaks, and earn badges. Post progress photos, celebrate milestones, and share results. - Accessible to Everyone Free to start with all core features included. Upgrade anytime for advanced AI coaching and premium analytics. Designed for all experience levels — from beginners to pros. - Why Flex AI Real-time AI form feedback (patented) Adaptive, science-based programming Progress tracking & recovery insights Gamified streaks + leaderboards Apple Watch integration Built for hypertrophy & strength goals Start Training Smarter — Today Download Flex AI and experience personal training powered by real AI. Perfect your form. Unlock your best lift. Train smarter — free on iPhone + Apple Watch.
F1T
This interval timer helps you manage work and rest periods for various fitness routines like HIIT, circuit training, and boxing. It offers customizable intervals, voice prompts, and workout history tracking, working in the background with a clear display.
- Customizable work and rest intervals
- Full-screen, bright display
- Works in background with locked screen
- Voice prompts and sound alerts
- Workout history tracking
- Templates for HIIT, Tabata, EMOM, AMRAP
Read full descriptionHide full description
Perfect for individual or group use, whether at home, on the track, or in the gym. Welcome to this easy-to-use app that helps you keep track of your work and rest periods during workouts. This interval timer will be an invaluable tool for you, whether you're doing HIIT workouts with high-intensity intervals, cycling, running, boxing, exercising, or stretching. It’s designed to help you manage intense exercise periods and rest intervals, making it perfect for optimizing your HIIT training and other fitness routines. SIMPLE AND USEFUL INTERVAL TIMER - Easy to use and understand - Bright, full-screen display with a font that's easily visible from a distance, even on small screens - Works in the background while you use other apps - Pause your workout anytime - No interruptions: the timer continues running even with a locked screen - Has a battery-saving mode for low battery situations ADVANCED CUSTOMIZATION - Customize all your intervals exactly the way you need for your specific workout - Adjust warm-up,exercise, rest, recovery, and cooldown intervals to fit your workout plan - Easily change the number of sets and cycles to match your fitness level - Switch between intervals smoothly during your workout - Includes templates for different training methods like HIIT, EMOM, AMRAP, Tabata, and Circuit Training TRACK AND CUSTOMIZE YOUR WORKOUTS - Provides voice prompts for interval names and upcoming interval warnings. - Offers various sound alerts and voice notifications for intervals. - Tracks your workout history and intensity levels. OPTIMIZE ALL OF YOUR ACTIVITIES + Tabata timer + Boxing round timer + HIIT training + Crossfit + Circuit training + Fitness routines + Home workouts + Calisthenics circuit timer + Yoga timer and more! Download now and take your workouts to the next level! The app offers a free trial with an optional annual subscription. After the trial, a yearly subscription will automatically start and be charged to your Apple account. The subscription renews automatically unless you turn off auto-renewal at least 24 hours before the current period ends. You can’t cancel during the current period, but you can manage and turn off auto-renewal in your Apple Account Settings. Any unused portion of the free trial will be forfeited upon subscription purchase. Privacy Policy: https://branched-chameleon-c9e.notion.site/Privacy-Policy-157da911d0128022b579f38948d41609?pvs=4 Terms of Use: https://branched-chameleon-c9e.notion.site/EULA-157da911d012800382d9c4010274c30b?pvs=44
Screenshots
Verdict
The clearest difference is rating: F1T at 5.0 against Flex AI Workout Trainer & Log's 4.6. Flex AI Workout Trainer & Log's advantage is ratings volume (2.4K vs 1). On price, update cadence, ads and in-app purchases 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. Flex AI Workout Trainer & Log sells 8 in-app purchases, starting at $1.99 per month and F1T sells 8 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
F1T holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flex AI Workout Trainer & Log has 2.4K ratings behind it against 1, so its average is the more settled of the two.
Flex AI Workout Trainer & Log ships an update every 9 days, F1T every 6 days. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.
| Parameter | Flex AI Workout Trainer & Log | F1T |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 69.3% of reviews | — |
| Number of ratings | 2.4K — better | 1 |
| Update frequency | Every 9 days | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 574 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | Flex Artificial Intelligence Inc. | Tymofii Tymofieiev |
Customer experience
Flex AI Workout Trainer & Log
F1T
Bugs and requests
Flex AI Workout Trainer & Log
Reported bugs
3 issues- App crashes on iOS 16 update
- Inability to log workouts on previous days
- Inconsistent syncing between app and Apple Watch
Requested features
4 requests- Offline workout mode
- Ability to save and reuse custom workout plans
- Muscle group targeting and analytics
- Social features and community integration
F1T
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Flex AI Workout Trainer & Log
- Premium Subscription Monthly$1.991 Month
- Premium Plus Monthly$2.991 Month
- Premium Yearly Subscription$9.991 Year
Show 3 moreShow fewer
- Premium Plus Family Monthly$9.991 Month
- Premium Plus Yearly7 Days trial$19.991 Year
- Premium Plus Family Yearly7 Days trial$49.991 Year
- 1 Month Free PremiumFree
- Lifetime Free PremiumFree
F1T
- Unlimited access (PRO)$1.997 Days
- Unlimited access (PRO)$2.297 Days
- Unlimited access (PRO)$4.991 Month
Show 3 moreShow fewer
- Unlimited access (PRO)$6.991 Month
- Unlimited access (PRO)7 Days trial$17.991 Year
- Unlimited access (PRO)7 Days trial$29.991 Year
- Free Lifetime PROFree
- Lifetime PRO$29.99
Questions
Is Flex AI Workout Trainer & Log free?
Is F1T free?
Which has better reviews, Flex AI Workout Trainer & Log or F1T?
Do Flex AI Workout Trainer & Log or F1T have ads?
Which is updated more often, Flex AI Workout Trainer & Log or F1T?
Other comparisons















