Comparison

Flex AI Workout Trainer & Log vs Hybrid

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

Hybrid

This app combines bodybuilding and calisthenics for a strong, athletic physique. It offers personalized training and nutrition plans, allowing you to train anywhere, anytime. Achieve your fitness goals with simple, efficient methods.

Highlights
  • Hybrid training (bodybuilding & calisthenics)
  • Personalized workout plans
  • Customizable training location (home/gym)
  • Flexible workout duration and frequency
  • Nutrition plans with ~250 recipes
  • Dietary options (pescetarian, vegetarian, vegan)
Features
Read full description

Trainiere WIE, WANN und WO du willst mit der neuen, komplett überarbeiteten Fitness App von Coach Stef. WAS IST HYBRID TRAINING? HYBRID TRAINING kombiniert das Beste aus Bodybuilding und Calisthenics. Das Ziel ist nicht nur ein athletischer und definierter Look, sondern auch ein leistungsstarker Körper. Neben den vielfältigen Trainingsvarianten und Workouts enthält HYBRID TRAINING auch ein durchdachtes Ernährungskonzept. Dabei bist du maximal flexibel und entscheidest WIE, WANN und WO du trainieren möchtest! KEEP IT SIMPLE Unsere Philosophie ist es, mit einfachen Methoden, den maximalen Erfolg herauszuholen. Wir helfen dir dabei deine Zeit & Ressourcen möglichst effizient einzusetzen und gleichzeitig deine gesteckten Ziele zu erreichen. Ganz nach dem Motto "Keep It Simple"! PROGRAMME, DIE AUF DICH ZUGESCHNITTEN SIND Bevor du startest, musst du also lediglich einige Fragen beantworten, die auf deine persönlichen Ziele und Präferenzen abzielen. So dass wir dir ein möglichst auf dich zugeschnittenes Training ermöglichen können. Und schon kann´s losgehen! -Entscheide, ob du zu Hause oder im Gym trainieren möchtest -Entscheide, wie viele Tage pro Woche du trainieren möchtest -Entscheide, wie lange dein Fitness Programm dauern soll -Entscheide, auf welchem Level du dein Programm absolvieren möchtest -Entscheide, ob du abnehmen, zunehmen oder dein Gewicht halten möchtest ERNÄHRUNG LEICHT GEMACHT Du wirst keine Ergebnisse sehen, wenn deine Ernährung nicht stimmt. Du musst kein Meisterkoch sein, um dich gesund zu ernähren, sondern die Basics beherrschen. Die Gerichte müssen ohne lange Anleitungen und besondere Vorkenntnisse zu machen sein. Es geht darum eine neue Struktur in deinen Alltag zu bringen. Du wirst sehen, dass die Gerichte sehr simpel, aber dennoch vielfältig und lecker sind. -Knapp 250 Mahlzeiten, die keine Wünsche offen lassen -Pescetarisch, vegetarisch und vegan Privacy Policy: https://www.hybridtraining.de/datenschutzerklarung Terms & conditions: https://www.hybridtraining.de/agb Acceptable use : https://www.hybridtraining.de/allgemeine-nutzungsbedingungen

Screenshots

Flex AI Workout Trainer & Log4 screens
Hybrid4 screens

Verdict

The call

Flex AI Workout Trainer & Log and Hybrid both sit at 4.6 stars, but that hides the real split: 95% of Hybrid's written reviews are positive against 69% of Flex AI Workout Trainer & Log's. Hybrid also leads on iOS requirement (13.4 vs 18.0). Flex AI Workout Trainer & Log's advantage is ratings volume (2.4K vs 2) and update cadence (every 9 days vs monthly). On price, rating, 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

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 and Hybrid sells 6 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Flex AI Workout Trainer & Log against 4.5 for Hybrid. 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 are what separate them: 69% of Flex AI Workout Trainer & Log's written reviews are positive against 95% of Hybrid's.

UpkeepUpdate frequency

Flex AI Workout Trainer & Log ships an update every 9 days, Hybrid monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Flex AI Workout Trainer & Log versus Hybrid: the parameters behind the verdict, then further details
ParameterFlex AI Workout Trainer & LogHybrid
PriceFreeFree
Rating4.6 (2.4K ratings) — better4.5 (2 ratings)
Positive reviews69.0% of reviews95.2% of reviews — better
Number of ratings2.4K — better2
Update frequencyEvery 9 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS18.013.4 — better
Further details — not scored
Size574 MB56 MB
Age rating17+4+
DeveloperFlex Artificial Intelligence Inc.Outperform Fitness & Marketing GmbH

Customer experience

Flex AI Workout Trainer & Log

All ratings2,412 ratings
Positive92.0%
Neutral2.6%
Negative5.4%
Written reviews310 reviews
Positive69.0%
Neutral6.5%
Negative24.5%

Hybrid

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive95.2%
Neutral4.8%
Negative0.0%

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

Hybrid

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
6 purchases

Hybrid

Subscriptions6
  • 1-Monats Abonnement$14.991 Month
  • 3-Monats-Abonnement$34.993 Months
  • 3 Monate$49.993 Months
Show 3 more
  • 6 Monate6 Months trial$79.996 Months
  • 12 Monate$96.991 Year
  • 12-Monats-Abonnement$109.991 Year

Questions

Is Flex AI Workout Trainer & Log free?
Flex AI Workout Trainer & Log is free to download, with in-app purchases available.
Is Hybrid free?
Hybrid is free to download, with in-app purchases available.
Which has better reviews, Flex AI Workout Trainer & Log or Hybrid?
Flex AI Workout Trainer & Log is rated higher. Flex AI Workout Trainer & Log averages 4.6 out of 5 from 2.4K ratings, while Hybrid averages 4.5 from 2 ratings.
Do Flex AI Workout Trainer & Log or Hybrid have ads?
Neither Flex AI Workout Trainer & Log nor Hybrid shows ads.
Which is updated more often, Flex AI Workout Trainer & Log or Hybrid?
Flex AI Workout Trainer & Log ships an update every 9 days, and Hybrid monthly. Most recently, Flex AI Workout Trainer & Log was updated on October 24, 2026 and Hybrid on October 27, 2026.

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