Comparison

Repvex vs ActivAI

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

Head to head
About

Repvex

This AI-powered fitness app acts as your personal strength trainer, optimizing workouts with real-time adjustments and detailed muscle fatigue tracking. Compete globally, race against your past performance, and visualize your progress with 3D heatmaps.

Highlights
  • AI-driven weight and rep adjustments
  • 3D muscle fatigue heatmaps
  • Intelligent progression logic
  • Automated workout generation
  • Global leaderboards and competitions
  • Ghost Runner personal best challenges
Features
Read full description

REPVEX App Store Description App Name: REPVEX - AI Workout Tracker Subtitle: Train Smarter. Lift Heavier. Promotional Text: The ultimate AI strength lab in your pocket. Real-time fatigue heatmaps, Ghost Runner competitions, and weight adjustments on the fly. Description Enter the Arena. Uncover your true strength potential with REPVEX—the ultimate AI-powered personal trainer, intelligent workout log, and competitive lifting platform. Forget spreadsheets and basic trackers. REPVEX evolves with every rep you lift, learning your body to optimize your performance. INTELLIGENT AI COACH Your personal strength architect. Auto-Regulation: The AI dynamically adjusts your weights and reps mid-workout based on how you performed in previous sets. Form Analytics: Hit plateau-shattering PRs with intelligent progression logic tailored explicitly to your goals (hypertrophy, strength, or endurance). Workout Generation: Not sure what to do today? Let the AI instantly build a hyper-optimized session based on your fatigue levels and available equipment. 3D MUSCLE FATIGUE HEATMAPS Stop guessing, start recovering. Anatomy Tracking: Interact with a full 3D human anatomy model that tracks precisely which muscles you've targeted this week. Real-time Fatigue: Muscles glow red when fatigued and turn green as they recover, ensuring you never overtrain or underwork a muscle group again. Volume Metrics: Dial in your training splits by visualizing precise tonnage and set volume per muscle. THE ARENA & GHOST RUNNER The world is your gym. Who are you competing against? Global Leaderboards: Fight for your position and level up your rank in the global lifting Arena. Ghost Runner: Race against the historic performance of your past self. Can you beat the "you" from 3 months ago on the Bench Press? Social Feed: Share epic PR celebrations directly to your integrated social feed, and hype up your squad as they crush their goals. PREMIUM SUBSCRIPTIONS (REPVEX PRO) Unlock the full power of REPVEX with a Pro subscription. Subscription Tiers Available: Starter ($4.99/month): Limited entry-level access to Surge features. Surge ($39.99/year): Unlimited AI Coaching, Full 3D Muscle Fatigue Heatmaps, and Advanced Progress Analytics. Apex ($79.99/year): All Surge features + Exclusive "God-Tier" Arena Badges, unlimited Ghost Runner races, and priority elite support. Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Privacy Policy: https://repvex.app/privacy Terms of Use (EULA): https://repvex.app/terms

About

ActivAI

Features
Read full description

Turn AI plans into real workouts. Paste a workout into Coach or ask for a plan, then follow it with exercise guidance, set tracking and rest timers. MAKE YOUR PLAN USEFUL Create a single session or a multi-day program for your goals, available equipment and training routine. Import a plan from a chat or your notes. Review its exercises, rep ranges, rest times and instructions before you train. Add a program to Workouts without activating it, then activate it with Pro when you are ready. TRACK WHAT YOU COMPLETE Log sets, reps and weight during your gym or home workout. See your last recorded weight and reps for exercises with matching names, even across programs. A weight specified in your plan takes priority. Adjust targets with simple buttons or reset them to the plan. Open available step-by-step technique guides from the exercise screen. KEEP YOUR TRAINING MOVING Use rest timers, timed exercises and the interval timer for work/rest rounds. Pause and resume your session. Follow active timers on the Lock Screen and Dynamic Island. With Pro, use Apple Watch to complete sets and control workout timers from your wrist; a paired iPhone is required. SEE YOUR PROGRESS Keep your workout history and review completed sessions. Log other sports and activities so the coach can take recent training into account. Optional Apple Health integration lets you import activities and save completed workouts. FREE AND PRO Free includes activity logging, workout tracking, timers and history, with 5 coach messages per day and up to 3 saved workouts. ActivAI Pro adds more coaching and unlimited workout saves, multi-day program activation, exercise progress charts, weekly coach reports and Watch workout controls. Cloud coaching requires an internet connection and your permission to send the request and relevant fitness context to the selected AI service. Pro is an optional auto-renewing subscription. Prices, billing periods and any eligible introductory offer are shown before purchase. Manage or cancel your subscription in your Apple account settings. Privacy Policy: https://aleksandrdas.github.io/activai-privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Repvex4 screens
ActivAI4 screens

Verdict

The call

The clearest difference is device support: Repvex at 4 against ActivAI's 2. Repvex also leads on iOS requirement (15.1 vs 26.2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Repvex sells 4 in-app purchases, starting at $6.99 per month and ActivAI sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Repvex ships an update every 2 weeks, ActivAI every 11 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Repvex versus ActivAI: the parameters behind the verdict, then further details
ParameterRepvexActivAI
PriceFreeFree
Rating5.0 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS15.1 — better26.2
Further details — not scored
Size81 MB51 MB
Age rating12+4+
DeveloperOlalekan FamodimuAleksandrs Dascinskis

In-app purchases

4 purchases

Repvex

Subscriptions4
  • REPVEX Starter$6.991 Month
  • REPVEX Apex$12.991 Month
  • REPVEX Surge1 Year trial$49.991 Year
Show 1 more
  • REPVEX Apex$89.991 Year
2 purchases

ActivAI

Subscriptions2
  • ActivAI Pro Monthly$11.991 Month
  • ActivAI Pro Yearly7 Days trial$49.991 Year

Questions

Is Repvex free?
Repvex is free to download, with in-app purchases available.
Is ActivAI free?
ActivAI is free to download, with in-app purchases available.
Do Repvex or ActivAI have ads?
Neither Repvex nor ActivAI shows ads.
Which is updated more often, Repvex or ActivAI?
Repvex ships an update every 2 weeks, and ActivAI every 11 days. Most recently, Repvex was updated on October 24, 2026 and ActivAI on October 28, 2026.

Other comparisons