Comparison

Flex AI Workout Trainer & Log vs Palio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • AI personal trainer
  • Real-time form feedback
  • Personalized workout plans
  • Adaptive progression
  • Strength tracking
  • Community leaderboards
  • Apple Watch integration
Features
Read 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.

About

Palio

Features
Read full description

Palio helps you track lower-limb rehabilitation, understand strength symmetry, and follow your progress over time. Log each workout with separate values for each leg, monitor pain and swelling, review clear recovery trends, and keep your rehabilitation history organized around your surgery or injury date. PALIO FEATURES: • Log strength, mobility, balance, and plyometric exercises • Track each leg independently • Monitor strength symmetry and recovery trends • Record pain, swelling, notes, and optional progress photos • Create reusable workout templates • Review weekly consistency and complete session history • Enable optional workout reminders and post-workout check-ins PALIO PRO • Ask Palio questions about your logged recovery data • Receive AI-generated weekly recovery summaries • Explore deeper progress insights • Generate and share physiotherapy reports Palio’s AI features help explain patterns in the information you record. AI output may be inaccurate and is provided for general informational purposes only. Palio does not diagnose conditions, prescribe treatment, or replace your physician, surgeon, or physiotherapist. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getpalio.com/privacy

Screenshots

Flex AI Workout Trainer & Log4 screens
Palio4 screens

Verdict

The call

The clearest difference is in-app purchases: Palio at none against Flex AI Workout Trainer & Log's 8. Palio also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flex AI Workout Trainer & Log sells 8 in-app purchases, starting at $12.99 per month. Palio asks for nothing beyond the download.

UpkeepUpdate frequency

Flex AI Workout Trainer & Log ships an update every 9 days, Palio fortnightly. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Flex AI Workout Trainer & Log versus Palio: the parameters behind the verdict, then further details
ParameterFlex AI Workout Trainer & LogPalio
PriceFreeFree
Rating4.6 (2.4K ratings) — better—
Positive reviews69.0% of reviews—
Number of ratings2.4K — better—
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size574 MB55 MB
Age rating17+4+
DeveloperFlex Artificial Intelligence Inc.Saif Khamis

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

Palio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Flex AI Workout Trainer & Log

Subscriptions6
  • Premium Subscription Monthly$12.991 Month
  • Premium Plus Monthly$29.991 Month
  • Premium Plus Family Monthly$69.991 Month
Show 3 more
  • Premium Yearly Subscription$79.991 Year
  • Premium Plus Yearly7 Days trial$191.991 Year
  • Premium Plus Family Yearly7 Days trial$499.991 Year
One-time2
  • 1 Month Free PremiumFree
  • Lifetime Free PremiumFree
None

Palio

No in-app purchases

Questions

Is Flex AI Workout Trainer & Log free?
Flex AI Workout Trainer & Log is free to download, with in-app purchases available.
Is Palio free?
Palio is free to download, with no in-app purchases.
Do Flex AI Workout Trainer & Log or Palio have ads?
Neither Flex AI Workout Trainer & Log nor Palio shows ads.
Which is updated more often, Flex AI Workout Trainer & Log or Palio?
Flex AI Workout Trainer & Log ships an update every 9 days, and Palio fortnightly. Most recently, Flex AI Workout Trainer & Log was updated on October 14, 2026 and Palio on October 8, 2026.

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