Comparison

RepOne Personal vs Built With Mettle

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

Head to head
About

RepOne Personal

This app provides real-time velocity feedback for training when connected to a specific motion tracker. It captures detailed workout data, allows for video logging, and offers advanced metrics for performance analysis. Users can customize displayed metrics and download their data.

Highlights
  • Real-time velocity feedback
  • Capture dozens of data points
  • Save training videos
  • Auto-track sets and reps
  • Generate load/velocity curve
  • Downloadable data
  • Detailed training history
Features
Read full description

RepOne Personal connects to your RepOne 3D Motion Tracker to give you real time velocity feedback and help you train better. See all your workout data including average velocity, peak velocity, peak height, range of motion, and duration, as well as time between sets and number of reps. You can add context to your sets, like tags describing exercise variations or unique attributes, training videos and video logs, and RPE. You can view analysis of your data through advanced metrics like peak end of a metric in a set, absolute loss of a metric in a set, and your estimated one rep max. Features: - Accurate, real-time velocity-based training - Capture dozens of data points about every movement - Save videos for you and your coach to analyze - Save time by auto-tracking sets and reps - Generate a personalized load/velocity curve - Download your data for analysis - Review a detailed history of your training - Customize the set metrics you see Requires a RepOne 3D Motion Tracker

About

Built With Mettle

This faith-centered fitness app supports your body, mind, and spirit. It offers structured daily training plans, effortless workout logging, and an AI coach for personalized guidance. Track your progress, fuel your body, and grow spiritually with daily devotions.

Highlights
  • Daily structured training plans
  • Effortless workout logging
  • AI coaching for personalized guidance
  • Cardio and heart-rate zone tracking
  • Weekly momentum summaries
  • Fuel and health tracking
  • Daily devotions and scripture
Read full description

Built With Mettle is faith-centered fitness for your whole life—body, mind, and spirit. Train with intention, fuel with purpose, and grow spiritually, all in one beautifully simple app. Whether you're chasing strength, building an aerobic base, or simply staying consistent, Mettle gives you a clear daily plan, fast logging, and an AI coach in your corner—plus a daily word to keep your heart aligned with your goals. YOUR DAILY PLAN • See exactly what to train today, with the full exercise list for the current day • Follow structured programs and training phases built around your goals • Start a planned session or log a custom workout in seconds EFFORTLESS LOGGING • Lightning-fast set, rep, and weight tracking • One-tap quick-log presets for your go-to sessions • Re-log past workouts with smart progressive-overload suggestions • Import workouts from screenshots (Apple Fitness, Garmin, treadmill consoles) with AI CARDIO & HEART-RATE ZONES • Log runs, rides, walks, and any activity • Build your aerobic base with Zone 2 tracking and a weekly trend • Set your true Max HR or fully custom heart-rate zones YOUR AI COACH • Ask anything—programming, form, nutrition, or motivation • Get personalized guidance based on your training and goals WEEKLY MOMENTUM • A clean weekly summary of sessions, Zone 2 minutes, and total active time • Track momentum across weight, protein, volume, sleep, recovery, and habits • Tap any metric for a full trend detail • Share a beautiful weekly recap FUEL & HEALTH • Track protein and macros to hit your targets • Log weight, measurements, sleep, resting HR, and recovery • Watch the trends that matter over time BODY · MIND · SPIRIT • Start each day with a short devotion and scripture • Save the lines that speak to you • Build habits and streaks that keep you consistent Change intentionally. Strengthen your life. Built With Mettle is part of Built With Intentions—a faith-centered space for whole-life growth. An account is used so your plan, history, and progress stay in sync.

Screenshots

RepOne Personal4 screens
Built With Mettle4 screens

Verdict

The call

The clearest difference is rating: Built With Mettle at 5.0 against RepOne Personal's 3.6. Built With Mettle also leads on update cadence (every 2 days vs every 2 months). RepOne Personal's advantage is ratings volume (16 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Built With Mettle holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: RepOne Personal has 16 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

RepOne Personal ships an update every 2 months, Built With Mettle every 2 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
RepOne Personal versus Built With Mettle: the parameters behind the verdict, then further details
ParameterRepOne PersonalBuilt With Mettle
PriceFreeFree
Rating3.6 (16 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings16 — better1
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size29 MB49 MB
Age rating4+4+
DeveloperSquats & Science Labs, LLCBuilt With Intentions

Customer experience

RepOne Personal

All ratings14 ratings
Positive64.3%
Neutral7.1%
Negative28.6%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

Built With Mettle

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RepOne Personal

No in-app purchases

None

Built With Mettle

No in-app purchases

Questions

Is RepOne Personal free?
RepOne Personal is free to download, with no in-app purchases.
Is Built With Mettle free?
Built With Mettle is free to download, with no in-app purchases.
Which has better reviews, RepOne Personal or Built With Mettle?
Built With Mettle is rated higher. RepOne Personal averages 3.6 out of 5 from 16 ratings, while Built With Mettle averages 5.0 from 1 ratings.
Do RepOne Personal or Built With Mettle have ads?
Neither RepOne Personal nor Built With Mettle shows ads.
Which is updated more often, RepOne Personal or Built With Mettle?
RepOne Personal ships an update every 2 months, and Built With Mettle every 2 days. Most recently, RepOne Personal was updated on October 5, 2026 and Built With Mettle on October 7, 2026.

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