FITINDEX vs Caliber
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FITINDEX
This app tracks various body composition metrics like BMI, body fat, and muscle mass. It provides cloud-based data analysis and reports, allowing families to monitor their health together. Data can be synchronized with HealthKit for a comprehensive health overview.
- Body composition tracking (BMI, body fat, muscle mass)
- Cloud-based data analysis and reports
- Family sharing for multiple users
- HealthKit synchronization
- Intelligent health charts
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Healthy For Love! FITINDEX is the top app to be healthier. The app can track your body compositions (BMI, body fat percentage, body water, bone mass, the rate of subcutaneous fat, visceral fat levels, basal metabolism body age, muscle mass and so on), and cloud -based intelligent data analysis and tracking, providing the perfect healthy body composition analysis charts and reports. At the same time the full support of the family used together, allowing you to understand the health status of the family anywhere. In iPhone based on iOS8, when you use our smart body scales measuring body composition, weight, percentage of body fat, fat weight, height, body mass index (BMI), height and resting calorie consumption data will be synchronized to HealthKit in. * For your privacy and HealthKit data IMPORTANT: 1. If the user has landed, after the first application into the cloud combo, you will be asked whether you want to synchronize your body measurement data and HealthKit, you want to cloud combo written authorization to HealthKit information from HealthKit permission to read the information. Then, you can view or change these permissions in the source of HealthKit. 2. If the new registered users in the registration screen, you will be asked whether you want to synchronize your body measurement data and HealthKit, cloud combo you want to write information and authorization to read information from HealthKit permissions to HealthKit in. Then, you can view or change these permissions in the source of HealthKit.
Caliber
This app offers science-based strength training with features for muscle building, weight loss, and fitness improvement. It provides personalized workouts, exercise tutorials, and community features. Optional upgrades offer advanced plans, nutrition targets, and 1-on-1 coaching.
- Personalized workout creation and tracking
- Extensive exercise library with video tutorials
- Workout Circles for training with friends
- Apple Health integration
- AI-powered training insights
- Coach-designed training plans
- Strength Score and balance metrics
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Caliber is a science-based strength training app that combines resistance training, cardio, nutrition, and habit formation to help you build muscle, lose weight, and improve your overall fitness - for good. TRAIN YOUR WAY • Free Version. Create and track unlimited workouts, access 800+ 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 Circles. Train with friends and family in private workout chats. When you hit a personal best, it's shared with the group. • Apple Health Integration. Sync your cardio, nutrition, steps and body stats from your wearable or connected device. • Connect to AI. Sync your training data with ChatGPT and Claude for personalized insights and training analysis. UNLOCK MORE WITH CALIBER PLUS (OPTIONAL UPGRADE) • Coach-Designed Training Plans. Choose from 120+ 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/
Screenshots
Verdict
The clearest difference is rating: Caliber at 4.8 against FITINDEX's 3.4. Caliber also leads on update cadence (fortnightly vs every 3 months) and review sentiment (78% vs 54%). FITINDEX's advantage is in-app purchases (none vs 10) and device support (4 vs 2). On price and ads 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. Caliber sells 8 in-app purchases, starting at $3.00 per month. FITINDEX asks for nothing beyond the download.
Caliber holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Caliber has 6.1K ratings behind it against 841, so its average is the more settled of the two. Written reviews point the same way: 54% of FITINDEX's written reviews are positive against 78% of Caliber's.
FITINDEX ships an update every 3 months, Caliber fortnightly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | FITINDEX | Caliber |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (841 ratings) | 4.8 (6.1K ratings) — better |
| Positive reviews | 53.8% of reviews | 78.1% of reviews — better |
| Number of ratings | 841 | 6.1K — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #196 — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 87 MB | 60 MB |
| Age rating | 4+ | 12+ |
| Developer | PANATRADE LLC | Caliber Fitness, Inc |
Customer experience
FITINDEX
Caliber
User reviews
FITINDEX
From 841 App Store ratingsWhat we love
- 🚀 Easy setup and sync
- 📊 Comprehensive metrics and tracking
- 💪 Motivating for weight loss
- 🤖 Accurate measurements
- 🔗 Good integration with Apple Health
Room to improve
- 🔢 Inaccurate biometric calculations
- 🕰️ Misleading historical data visualization
- 🔍 Small, hard-to-read font
- 🔌 Bluetooth connectivity issues
- 🤯 Drastic measurement changes without explanation
Caliber
From 6.1K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Comprehensive workout tracking
- 💡 Customizable workouts
- 🔍 Detailed exercise instructions and videos
- 📊 Strength score and progress tracking
Room to improve
- 🐛 Occasional app crashes and bugs
- 🔍 Limited offline functionality
- 💰 Subscription model can be confusing
- 🔍 Inconsistent video quality and exercise explanations
- 🕰️ Frustrating user interface at times
Bugs and requests
FITINDEX
Reported bugs
4 issues- App freezes when accessing trends
- Syncing issues with Apple Health
- Inconsistent weight recording
- Inability to input historical data accurately
Requested features
5 requests- Add dark mode option
- Allow customization of data display and metrics
- Improve historical data visualization
- Implement pregnancy tracking mode
- Add ability to manually adjust measurements
Caliber
Reported bugs
3 issues- Workout data loss when switching between online and offline mode
- Strength score not updating correctly in some cases
- Inability to log weight for certain exercises
Requested features
5 requests- Add ability to create and save custom exercises
- Integrate with more fitness tracking devices and apps
- Improve offline mode to allow full workout tracking
- Provide more flexibility in workout scheduling and planning
- Enhance strength score calculations and explanations
In-app purchases
FITINDEX
No in-app purchases
Caliber
- Caliber Supporter (Monthly)$3.001 Month
- Caliber Plus (Monthly)$6.001 Month
- Caliber Plus (Monthly)$9.001 Month
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- Caliber Plus (Monthly)2 variants$12.001 Month
- Caliber Plus (Yearly)7 Days trial$36.001 Year
- Caliber Plus (Yearly)7 Days trial$54.001 Year
- Caliber Plus (Yearly)7 Days trial2 variants$72.001 Year
- Caliber Plus (Yearly)1 Month trial$72.001 Year









