Flex AI Workout Trainer & Log vs Thicc App
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
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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.
Thicc App
This app provides personalized strength and fat-burning workouts. Access exclusive content from fitness creators, including nutrition and hormone advice. Track your progress with session duration and streaks.
- Unlimited strength and fat-burning workouts
- Exclusive content from fitness creators
- Knowledge center for nutrition and hormone advice
- Automatic workout session tracking
- Day-by-day streaks and weekly progress
- PT Certified advice and influencer workouts
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THICC is the one-stop shop for all things female fitness - Generate unlimited strength building and fat shredding workouts on demand - Access tips and tricks not seen anywhere else by subscribing to world renown fitness creators - Scroll through our knowledge center for exclusive articles on supplementation protocols, nutrition plans, hormone regulation, and more - THICC will automatically track your workout session duration with day-by-day streaks and weekly progress! - Continually updated with PT Certified Advice, influencer workouts, and expanding nutrition plans - Everything Your Fitness Journey Needs In Your Pocket! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Thicc App at 100% against Flex AI Workout Trainer & Log's 69%. Thicc App also leads on rating (5.0 vs 4.6). Flex AI Workout Trainer & Log's advantage is ratings volume (2.4K vs 2) and update cadence (every 9 days vs every 2 months). On price, ads, in-app purchases and monetization model 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 $12.99 per month and Thicc App sells 11 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Thicc App 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 2, so its average is the more settled of the two. Written reviews point the same way: 69% of Flex AI Workout Trainer & Log's written reviews are positive against 100% of Thicc App's.
Flex AI Workout Trainer & Log ships an update every 9 days, Thicc App every 2 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | Flex AI Workout Trainer & Log | Thicc App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 69.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2.4K — better | 2 |
| Update frequency | Every 9 days — better | Every 2 months |
| 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 | 48 MB |
| Age rating | 17+ | 17+ |
| Developer | Flex Artificial Intelligence Inc. | Angelo Zeus |
Customer experience
Flex AI Workout Trainer & Log
Thicc App
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
Thicc App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Flex AI Workout Trainer & Log
- Premium Subscription Monthly$12.991 Month
- Premium Plus Monthly$29.991 Month
- Premium Plus Family Monthly$69.991 Month
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- Premium Yearly Subscription$79.991 Year
- Premium Plus Yearly7 Days trial$191.991 Year
- Premium Plus Family Yearly7 Days trial$499.991 Year
- 1 Month Free PremiumFree
- Lifetime Free PremiumFree
Thicc App
- Allison's Subscription$0.991 Month
- Bella Zeus Subscription$0.991 Month
- Kennedy Hatfield Subscription$0.991 Month
Show 8 moreShow fewer
- Parisa's Subscription$0.991 Month
- Nikita's Subscription$0.991 Month
- Jayda's Subscription$0.991 Month
- Maddie's Subscription$0.991 Month
- Harlee's Subscription$1.991 Month
- Elisi Wolf Subscription$2.991 Month
- Barbara Silva Subscription$2.991 Month
- Jenny's Subscription$2.991 Month
Questions
Is Flex AI Workout Trainer & Log free?
Is Thicc App free?
Which has better reviews, Flex AI Workout Trainer & Log or Thicc App?
Do Flex AI Workout Trainer & Log or Thicc App have ads?
Which is updated more often, Flex AI Workout Trainer & Log or Thicc App?
Other comparisons
