Comparison

Repvex vs GymMayday

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

GymMayday

Features
Read full description

GymMayday turns any unfamiliar gym machine into a clear, beginner-friendly lesson — just point your camera at it, or type its name. WHAT YOU GET • Instant equipment identification via AI — snap a photo or search by text • Step-by-step usage instructions written for beginners • Safety tips to help you avoid common mistakes • Target muscle groups for every machine • One-tap demo video search YOUR OWN VIRTUAL COACH Pick your coach's gender and get a personalized greeting every time you open the app, plus daily motivational quotes to keep you going. TRACK YOUR WORKOUTS Log what you trained — date, weight, sets, reps, and notes — on a simple calendar. Tap any day to see or add entries. AI-SUGGESTED TRAINING PLAN Tell it your age, gender, goal, experience level, and how many days a week you can train, and AI designs a complete weekly training plan just for you — first 2 plans are free. REST TIMER Set a rest duration between sets and get notified when it's up — even if the app is in the background. Lock-screen quick action lets you start the next rest period without unlocking your phone. BODY-PART TRACKING Every equipment guide is tagged with the muscle group it targets, and your workout log inherits it automatically — building a clearer picture of your training over time. SHARE YOUR PROGRESS Turn any day's workout into a shareable card: pick a color theme or use your own photo as the background, apply fun filters (including a beauty filter), and drag on emoji stickers. BADGES & MILESTONES Unlock badges as you log workouts, lift volume, and build streaks — a lightweight way to see your progress add up. APPLE HEALTH IMPORT Just finished a workout tracked by your Apple Watch or the Health app? Pull it straight into your log with one tap instead of typing it in again. REMINDERS WITH PERSONALITY Skip a few days and GymMayday will nudge you — gently at first, with an increasingly cheeky roast the longer you put it off. YOUR HISTORY, ON YOUR DEVICE Your last 10 equipment lookups are saved locally so you can revisit them anytime — no account required. MULTI-LANGUAGE SUPPORT Available in Traditional Chinese, Simplified Chinese, English, Korean, Japanese, and Vietnamese. Follows your system language automatically, or set it manually in Settings. PRIVACY-FIRST No login required. Your profile, coach settings, and search history stay on your device. Photos are only used to generate your equipment guide and are not stored afterward. Whether you're new to the gym or just encountered a machine you've never used before, GymMayday is the coach in your pocket.

Screenshots

Repvex4 screens
GymMayday4 screens

Verdict

The call

The clearest difference is in-app purchases: GymMayday at none against Repvex's 4. GymMayday also leads on update cadence (every 5 days vs every 2 weeks). Repvex's advantage is ads (none vs shown) and device support (4 vs 2). On price 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. GymMayday asks for nothing beyond the download.

UpkeepUpdate frequency

Repvex ships an update every 2 weeks, GymMayday every 5 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Repvex versus GymMayday: the parameters behind the verdict, then further details
ParameterRepvexGymMayday
PriceFreeFree
Rating5.0 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.1 — better26.5
Further details — not scored
Size81 MB6 MB
Age rating12+4+
DeveloperOlalekan FamodimuPingLin Tsai

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
None

GymMayday

No in-app purchases

Questions

Is Repvex free?
Repvex is free to download, with in-app purchases available.
Is GymMayday free?
GymMayday is free to download, with no in-app purchases.
Do Repvex or GymMayday have ads?
GymMayday shows ads; Repvex does not.
Which is updated more often, Repvex or GymMayday?
Repvex ships an update every 2 weeks, and GymMayday every 5 days. Most recently, Repvex was updated on October 24, 2026 and GymMayday on October 29, 2026.

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