67
BU Score
Solid
Caliber: Strength Training
✍️ BU Analytics Review
“
Caliber: Strength Training is an iOS app from Caliber Fitness, Inc in the Health & Fitness category, currently rated 4.8★ across 5,558 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 67 — Solid (established niche player). For a Health & Fitness app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 12 of 12 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.8★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (5,558 ratings)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| annoying adsREVIEW | −$1,100 | |
| priceyREVIEW | −$800 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 61 MB🔞 12+📱 iOS 15.1+🔖 v5.13.0🔄 updated 0d ago🌐 EN📂 Health & Fitness💰 Free🚀 Launched 2020 (5y old)
📝 About this app
Caliber is a science-based strength training app that combines resistance training, cardio, nutrition, and habit formation to help you build muscle, lose fat, and improve your overall fitness—for good.
TRAIN YOUR WAY
• Free Version. Create and track unlimited workouts, access 600+ exercises, and train solo or with friends.
• Caliber Plus. Maximize your results with coach-designed training plans, personalized progress tracking, nutrition targets and more.
• Premium Coaching. Get 1-on-1 guidance from an elite-level personal trainer with a fully customized training and nutrition plan, in-app chat + video messaging with your coach and weekly progress reviews to keep you on track.
CALIBER FEATURES (FREE VERSION)
• Personalized Workouts. Create and track an unlimited number of workouts tailored to your goals. No gym required.
• Detailed Exercise Tutorials. Learn proper form with step-by-step videos and pro tips from Caliber coaches.
• Workout Groups. Train with friends or family in private groups. Your workouts and personal bests are shared with the group to keep you motivated.
• Apple Health Integration. Sync your cardio, nutrition, and body stats from your wearable or connected device.
UNLOCK MORE WITH CALIBER PLUS (OPTIONAL UPGRADE)
• Coach-Designed Training Plans. Choose from 60+ structured plans tailored to your goals, experience level and schedule.
• Strength Score. Measure how strong you are relative to your potential for your age and gender.
• Strength Balance. Improve your posture and mobility by optimizing your training across key muscle groups.
• Caliber Lessons. Gain expert insights on training and nutrition to accelerate your progress.
• Advanced Training Features. Get personalized nutrition targets, create custom exercises and supersets, swap exercises, upload progress photos, and more.
PREMIUM COACHING (OPTIONAL UPGRADE)
• Work with an Elite-Level Coach. Train 1-on-1 with a dedicated coach to achieve your full potential in the gym and beyond. Caliber coaches are highly vetted, accredited personal trainers among the top 1% in their field.
• Fully Personalized Plan. Your coach will design a training and nutrition program just for you based on your goals, experience and lifestyle.
• Daily Motivation & Expert Guidance. Stay on track with in-app messaging, video form reviews, and individualized guidance.
• Weekly Progress Reviews. Get in-depth analysis from your coach to optimize your training.
• Fast Response Times. Your coach is available 24/7, typically replying within a few hours.
• Guaranteed Results. On average, Caliber members improve their body composition by 20% or more within 12 weeks. If you don't see results, we'll refund the cost of the program.
SEE WHAT OUR MEMBERS SAY
• For detailed reviews from real Caliber members, visit our TrustPilot page at https://www.trustpilot.com/review/caliberstrong.com
Terms of Use: https://caliberstrong.com/terms-of-service/
Privacy Policy: https://caliberstrong.com/privacy-policy/
TRAIN YOUR WAY
• Free Version. Create and track unlimited workouts, access 600+ exercises, and train solo or with friends.
• Caliber Plus. Maximize your results with coach-designed training plans, personalized progress tracking, nutrition targets and more.
• Premium Coaching. Get 1-on-1 guidance from an elite-level personal trainer with a fully customized training and nutrition plan, in-app chat + video messaging with your coach and weekly progress reviews to keep you on track.
CALIBER FEATURES (FREE VERSION)
• Personalized Workouts. Create and track an unlimited number of workouts tailored to your goals. No gym required.
• Detailed Exercise Tutorials. Learn proper form with step-by-step videos and pro tips from Caliber coaches.
• Workout Groups. Train with friends or family in private groups. Your workouts and personal bests are shared with the group to keep you motivated.
• Apple Health Integration. Sync your cardio, nutrition, and body stats from your wearable or connected device.
UNLOCK MORE WITH CALIBER PLUS (OPTIONAL UPGRADE)
• Coach-Designed Training Plans. Choose from 60+ structured plans tailored to your goals, experience level and schedule.
• Strength Score. Measure how strong you are relative to your potential for your age and gender.
• Strength Balance. Improve your posture and mobility by optimizing your training across key muscle groups.
• Caliber Lessons. Gain expert insights on training and nutrition to accelerate your progress.
• Advanced Training Features. Get personalized nutrition targets, create custom exercises and supersets, swap exercises, upload progress photos, and more.
PREMIUM COACHING (OPTIONAL UPGRADE)
• Work with an Elite-Level Coach. Train 1-on-1 with a dedicated coach to achieve your full potential in the gym and beyond. Caliber coaches are highly vetted, accredited personal trainers among the top 1% in their field.
• Fully Personalized Plan. Your coach will design a training and nutrition program just for you based on your goals, experience and lifestyle.
• Daily Motivation & Expert Guidance. Stay on track with in-app messaging, video form reviews, and individualized guidance.
• Weekly Progress Reviews. Get in-depth analysis from your coach to optimize your training.
• Fast Response Times. Your coach is available 24/7, typically replying within a few hours.
• Guaranteed Results. On average, Caliber members improve their body composition by 20% or more within 12 weeks. If you don't see results, we'll refund the cost of the program.
SEE WHAT OUR MEMBERS SAY
• For detailed reviews from real Caliber members, visit our TrustPilot page at https://www.trustpilot.com/review/caliberstrong.com
Terms of Use: https://caliberstrong.com/terms-of-service/
Privacy Policy: https://caliberstrong.com/privacy-policy/
🆕 What's New · v5.13.0
With this release, we've completely revamped the Progress section of the app!
* Add and customize charts for all activity types, including Exercises, Cardio, Nutrition, Body Stats, and Habits
* View your charts across different dimensions, such as 1 Rep Max, Max Weight, Max Volume for Exercises, and Distance, Time, Calories, and Pace for Cardio
* Smoothly jump between different time periods on your charts
* Swipe/scroll back to see all of your historical data for any chart view
* Add and customize charts for all activity types, including Exercises, Cardio, Nutrition, Body Stats, and Habits
* View your charts across different dimensions, such as 1 Rep Max, Max Weight, Max Volume for Exercises, and Distance, Time, Calories, and Pace for Cardio
* Smoothly jump between different time periods on your charts
* Swipe/scroll back to see all of your historical data for any chart view
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Caliber: Strength Training
- Developer
- Caliber Fitness, Inc
- Bundle ID
- com.caliberfitness.app
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 12+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Transform your fitness with science-based training.
- Description
- Caliber is a science-based fitness and nutrition coaching program that helps you build muscle and lose weight with measurable results every step of the way.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $849/mo
- Top-grossing rank
- Outside top 100 in US Health & Fitness
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/caliberstrong
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- https://caliberstrong.com/blog/
- Press / News
- Not found
Contacts & Socials
- Socials
- facebook · instagram · twitter
- Not found
- Phone
- Not found
- Contact page
- https://caliberstrong.com/contact-us/
- About page
- https://caliberstrong.com/about-us/
📈Ratings growth5,558 ratings+48% lifetimeShow 3-year history estimate ▾
Tracked (51 weeks) Pre-tracking estimate (33 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
