BYLD vs PumpRex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BYLD
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Build Muscle Without Guesswork BYLD is a hypertrophy-focused workout tracker that shows how much effective training each muscle gets and how it compares with personalized weekly targets. Log your workouts, track your progress, and see where your training stands — so you can spend your effort where it matters. Know What Each Muscle Needs BYLD goes beyond counting workouts and raw sets. • Track weekly training for individual muscles • See personalized muscle targets based on your training level and goals • Measure training using effective sets, not just total sets • Account for exercise muscle contribution and training effort • See which muscles need more work and which are already covered • Explore exactly which workouts, exercises, and sets contributed to each muscle • Visualize your weekly muscle coverage on an interactive body map • Review previous weeks and monitor your consistency over time Track Every Workout Everything you need for day-to-day gym tracking: • Log sets, reps, weight, and optional RIR • Create and edit your own workout routines • Start a workout from a routine or from scratch • Add, replace, remove, and reorder exercises while you train • Edit sets at any point during your workout • Resume an active workout whenever you come back • Review and edit your workout history See Your Progress Keep track of how your training is evolving. • Follow your weekly and monthly workout activity • Track training volume, reps, and workout duration • View progress by muscle group and individual exercise • See your previous performance before your next set • Jump directly from exercise history into past workouts Train Your Way • Browse exercises by muscle and equipment • Watch exercise demonstration videos • Use metric or imperial units • Build routines around the exercises and equipment you prefer • Train with a clean, distraction-free interface BYLD is designed for lifters who want more than a workout log — and want to know whether their training is actually aligned with their muscle-growth goals. Some hypertrophy insights and advanced features require a BYLD Premium subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PumpRex
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PumpRex is a training app that gets straight to the point. No sign-ups, no email prompts, no ads. Download and start training. PROGRAMMED TRAINING Build your own training programs from scratch or pick from ready-made templates. Set exercises, sets, reps and weights for each day. Adjust freely as you progress. Templates included: - Push/Pull/Legs (3-6 days) - Upper/Lower (4 days) - Full Body (3 days) - And many more SMART PROGRESSION The app tracks your performance and suggests when to increase weight. Linear progression, double progression and RPE-based tracking built in. You decide — the app advises. PRECISE LOGGING Log every set during your workout. Weight, reps, RPE, RIR and technique — everything saves automatically. See your previous results right in the logging view. RPE & RIR Intensity tracking is built in. The app calculates when it's time to back off and suggests deloads based on your training data and mesocycle. ANALYTICS Track your progress with clear charts. Volume, tonnage, PRs and trends — view by week, month or full history. BODY TRACKING Log weight, body fat and muscle mass. Take body measurements. Capture progress photos and compare your development over time. Export your data as PDF. iCLOUD SYNC Turn it on and your data syncs securely across all your Apple devices. Optional — works fully offline too. RIVACY FIRST - No sign-up or account creation - No email collection - No analytics or tracking - No ads - Data stays on your device and in your iCloud FREE FEATURES - Create and edit training programs - Log workouts with RPE/RIR tracking - Smart progression suggestions - Progress analytics and PRs PUMPREX PRO Unlock body composition, measurements, progress photos, PDF export, deload weeks, mesocycle periodization and iCloud sync. Try free for 2 weeks. Terms of Use: https://www.pumprex.com/terms-of-service/ Privacy Policy: https://www.pumprex.com/privacy-policy/
Screenshots
Verdict
The clearest difference is iOS requirement: PumpRex at 17.0 against BYLD's 26.0. 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
Both are free to download. BYLD sells 2 in-app purchases, starting at $2.99 per month and PumpRex sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
BYLD ships an update every 2 weeks, PumpRex every 3 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | BYLD | PumpRex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | CEKA ARES E.E. | JARI TOIVIAINEN |
In-app purchases
BYLD
- Byld Premium Monthly$2.991 Month
- Byld Premium Monthly14 Days trial$19.991 Year
PumpRex
- PumpRex Pro Monthly14 Days trial$6.991 Month
- PumpRex Pro Yearly14 Days trial$44.991 Year








