Iron Meter vs Calistx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Iron Meter
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Track your body measurements and monitor your fitness progress over time. Iron Meter lets you log every key body measurement: weight, neck, chest, waist, arms, legs, and more. Visualize your progress with beautiful charts and watch your body transform week by week. Key Features - Full Body Tracking: 20+ measurement types including weight, height, neck, shoulders, chest, abdomen, waist, hips, arms, forearms, wrists, thighs, calves, and ankles - Visual Silhouette: see your measurements mapped onto a body outline at a glance - Progress Charts: track any metric over 1 month, 3 months, 6 months, 1 year, or all time - BMI Calculator: automatically calculated from your height and weight with color-coded categories - iCloud Sync: your data syncs automatically across all your devices - Import & Export: back up your data as a file and restore it anytime - Metric & Imperial: switch between cm/kg and inches/lbs instantly - Measurement Log: browse your full history and load any past entry - Dark Mode: full support for light and dark appearance Iron Meter is perfect for anyone on a fitness journey, whether you are losing weight, building muscle, or simply keeping track of your body over time. No subscriptions. No ads. Your data stays yours.
Calistx
This app delivers personalized calisthenics programs built by your coach. Track workouts, log progress, and access skill tutorials. It also facilitates direct communication with your coach and includes nutrition logging.
- Personalized daily workout plans
- Workout logging with rest timer
- Progress and personal record tracking
- Video submission for form review
- Calisthenics skill breakdown library
- Direct coach messaging
- Nutrition and macro tracking
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Calistx is the training app for Control Theory Calisthenics coaching clients. Your coach builds your program. Calistx puts it in your pocket — the exact workout for today, the sets and holds to hit, and one place to log every rep. TRAIN • Your coach's program, laid out day by day on your calendar • Log sets, reps and hold times as you go • A rest timer between sets so you're not watching the clock • Personal records and skill progress tracked as you train CHECK-INS • Upload form clips and skill videos for your coach to review • Log bodyweight, measurements and progress photos • Book your 1-on-1 call and read your weekly recap before you get on it THE VAULT • A full library of calisthenics skill breakdowns — planche, front lever, handstand, muscle-up and more • Step-by-step progressions, filmed and explained COMMUNITY • Channels to post wins, get form checks and ask training questions • Message your coach directly, any time NUTRITION • Log food and track calories and macros against your targets Calistx is for active coaching clients of Control Theory Calisthenics — you'll need an invite from your coach to create an account. Questions? Email 801calisthenics@gmail.com
Screenshots
Verdict
The clearest difference is iOS requirement: Calistx at 15.1 against Iron Meter's 17.0. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Iron Meter | Calistx |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergii Bugera | Hunter Stein |
In-app purchases
Iron Meter
No in-app purchases
Calistx
No in-app purchases









