Flex AI Workout Trainer & Log vs Maxlyft
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.
Maxlyft
This fitness app allows users to log workouts, track personal records, and monitor progress with detailed analytics. It offers customizable routines, exercise tracking, and body measurement logging, all stored securely via iCloud.
- Customizable workout splits
- Exercise and rep logging
- Personal record tracking
- Progress graphs and analytics
- Body measurement tracking
- Workout streak tracking
- Secure iCloud data storage
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A workout app that is ACTUALLY free. Build your split, log every set, and watch progress compound without the spreadsheet chaos. Maxlyft is a strength training app for lifters who want clear structure and honest numbers. YOUR SPLIT, YOUR WAY Create a rotating or weekly split with named days, rest days, and optional colors. Attach a routine to a training day, or start an empty workout when the plan changes. Your active split keeps today’s training ready to go — open the app and lift. LOG WITHOUT FRICTION Start today’s planned workout, resume mid-session after closing the app, or log freely. Sets are completed as you log them, and your last-session numbers appear as helpful references. A live timer, set count, and volume stay on screen while you train. Log barbell, dumbbell, bodyweight, assisted, duration, and distance work — including per-side weight. PRS THAT ACTUALLY MEAN SOMETHING Maxlyft highlights new records automatically and lets you track custom lifetime marks — best at a chosen weight, rep target, time, or distance. Finished workouts show a crown when you hit a PR. INSIGHTS, NOT NOISE See volume, sets, training time, and muscle-group distribution across 7 days, 30 days, 90 days, 1 year, or all time. Filter by muscle or split day. Open any exercise for lifetime totals, records, and charts tailored to how you track it. BUILT AROUND YOUR LIBRARY No giant canned catalog to fight. Name your own exercises, tag muscles, save routines, and reuse them. Rename a lift and your history stays with it. TRAIN OFFLINE. KEEP YOUR DATA SYNCED. Logging is local-first, so a dead gym signal doesn’t stop the session. Sign in with Apple or Google to sync and restore your data across devices. HOME SCREEN WIDGETS Check today’s session or your last 7 days of volume without opening the app. HOW TO GET STARTED - Choose your units and build your first split — rotating or weekly. - Add the lifts you actually do. - Start today’s workout from Train and log your sets. - Check Insights after a few sessions to see the trend. Privacy Policy: https://www.maxlyft.com/privacy Terms of Use: https://www.maxlyft.com/terms
Screenshots
Verdict
The clearest difference is ads: Flex AI Workout Trainer & Log at none against Maxlyft's shown. Flex AI Workout Trainer & Log also leads on ratings volume (2.4K vs 16) and iOS requirement (18.0 vs 26.1). Maxlyft's advantage is update cadence (every 2 days vs every 9 days) and review sentiment (88% vs 69%). On price, in-app purchases, monetization model and device support 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 Maxlyft sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Maxlyft holds the better App Store score, 4.8 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 16, 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 88% of Maxlyft's.
Flex AI Workout Trainer & Log ships an update every 9 days, Maxlyft every 2 days. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.
| Parameter | Flex AI Workout Trainer & Log | Maxlyft |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) | 4.8 (16 ratings) — better |
| Positive reviews | 69.3% of reviews | 87.5% of reviews — better |
| Number of ratings | 2.4K — better | 16 |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 574 MB | 59 MB |
| Age rating | 17+ | 12+ |
| Developer | Flex Artificial Intelligence Inc. | Dylan Morgan |
Customer experience
Flex AI Workout Trainer & Log
Maxlyft
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
Maxlyft
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
Maxlyft
- Maxlyft Monthly2 Months trial$1.991 Month
- Maxlyft Pro Monthly$4.991 Month
- Maxlyft Yearly2 Months trial$17.991 Year
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- Maxlyft pro Yearly$19.991 Year
Questions
Is Flex AI Workout Trainer & Log free?
Is Maxlyft free?
Which has better reviews, Flex AI Workout Trainer & Log or Maxlyft?
Do Flex AI Workout Trainer & Log or Maxlyft have ads?
Which is updated more often, Flex AI Workout Trainer & Log or Maxlyft?
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