Girths & caliper16 - App Store
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Publisher Description
Track your body composition with science-backed accuracy.
Girths & Caliper (G&C) is the most precise body fat tracker for fitness enthusiasts, athletes and personal trainers. Measure, log and analyze your progress over time using the same methods used in professional fitness assessment.
SKINFOLD METHODS
Calculate body fat percentage using validated skinfold caliper formulas:
. Jackson-Pollock 7-site (men & women)
. Jackson-Pollock 3-site (men & women)
. Durnin-Womersley 4-site (age-adjusted)
. Sloan 2-site (men & women)
All formulas use the Siri body density equation to compute body fat %, lean mass and fat mass automatically.
GIRTH MEASUREMENTS
Record up to 16 circumferences: chest, waist, hips, neck, biceps (left/right, relaxed and flexed), forearms, thighs, calves, wrists. Track asymmetries between left and right side to identify imbalances.
PROGRESS PHOTOS
Take consistent progress photos with voice-guided body positioning. Compare front, side and back shots over time with a side-by-side view.
AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks - when body composition changes are actually measurable. Ask follow-up questions through the in-app chat.
CHARTS & TRENDS
Visualize every metric over time. Donut charts for body composition breakdown. Line charts for individual measurements. Bar charts for session-to-session comparisons.
DATA OWNERSHIP
All measurements, photos and analyses are stored locally on your device. We do not collect, sell or track your data. Export everything to CSV anytime.
PRIVACY & SECURITY
. No accounts, no email signup required
. No advertising or third-party tracking
. AI requests are anonymized - no name, no email, no device ID is shared
. All network traffic is encrypted (HTTPS)
WHO IS THIS FOR
. Bodybuilders tracking cut/bulk phases
. Endurance athletes monitoring lean mass changes
. Personal trainers logging client measurements
. Anyone serious about quantifying body composition beyond a scale
SUBSCRIPTION
G&C Standard unlocks the full feature set:
. Monthly: €3.99/month
. Yearly: €34.99/year (save ~27%)
Subscription auto-renews unless cancelled at least 24 hours before the end of the current period.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: see in-app Settings → Privacy
Built by a single developer. No ads, no data harvesting, no dark patterns - just the most accurate body composition tracker we could make.
Questions? app.user.info@icloud.com
Version History AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 16 Jun 23 AI COACH
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 14 Jun 18 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 13 Jun 4 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 11 May 30 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 10 May 25 New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation 3.8 05/29/2019 Minor bugs and stabiliti improvements 3.6 05/10/2019 We work hard to fix some minor bugs and we implement:
!!!New freemium version!!!
- New User interface
- New supplements reminder:
You can search your favorite supplements such whey, creatine, mass gainer, carnitine and so on
and Girths and caliper will remind you when they are close to the end 3.5 05/04/2019 Debug option to explore next great features to implement in our app 2.4 03/18/2019 Minor bug solved: when shoot a photo and saving on iCloud. 2.3 03/08/2019 In this version:
- Minor bug corrected
- Added the girth for relaxed bicep
- Added the functionality to save data on iCloud and share it on all your iOS devices 2.2 03/01/2019 2.1 01/26/2019
About Girths & caliper
The company that develops Girths & caliper is Alberto Lunardini. The latest version released by its developer is 16.
To install Girths & caliper on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Girths & caliper as malware if the download link is broken.
How to install Girths & caliper on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Girths & caliper is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Girths & caliper is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 16
posted on 2026-10-13
Version History AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 16 Jun 23 AI COACH
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 14 Jun 18 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 13 Jun 4 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 11 May 30 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 10 May 25 New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation 3.8 05/29/2019 Minor bugs and stabiliti improvements 3.6 05/10/2019 We work hard to fix some minor bugs and we implement:
!!!New freemium version!!!
- New User interface
- New supplements reminder:
You can search your favorite supplements such whey, creatine, mass gainer, carnitine and so on
and Girths and caliper will remind you when they are close to the end 3.5 05/04/2019 Debug option to explore next great features to implement in our app 2.4 03/18/2019 Minor bug solved: when shoot a photo and saving on iCloud. 2.3 03/08/2019 In this version:
- Minor bug corrected
- Added the girth for relaxed bicep
- Added the functionality to save data on iCloud and share it on all your iOS devices 2.2 03/01/2019 2.1 01/26/2019
version 16
posted on 2026-06-30
Version History AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 16 6d ago AI COACH
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 14 Jun 18 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 13 Jun 4 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 11 May 30 AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 10 May 25 New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation 3.8 05/29/2019 Minor bugs and stabiliti improvements 3.6 05/10/2019 We work hard to fix some minor bugs and we implement:
!!!New freemium version!!!
- New User interface
- New supplements reminder:
You can search your favorite supplements such whey, creatine, mass gainer, carnitine and so on
and Girths and caliper will remind you when they are close to the end 3.5 05/04/2019 Debug option to explore next great features to implement in our app 2.4 03/18/2019 Minor bug solved: when shoot a photo and saving on iCloud. 2.3 03/08/2019 In this version:
- Minor bug corrected
- Added the girth for relaxed bicep
- Added the functionality to save data on iCloud and share it on all your iOS devices 2.2 03/01/2019 2.1 01/26/2019
version 11
posted on 2026-06-03
Version History AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 11 4d ago AI COACH (Premium)
Get personalized insights from an AI coach powered by Anthropic Claude. The coach analyzes your real measurement deltas and gives you specific, actionable feedback every 4-5 weeks — when body composition changes are actually measurable. Ask follow-up questions through the in-app chat. 10 May 25 New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation 3.8 05/29/2019 Minor bugs and stabiliti improvements 3.6 05/10/2019 We work hard to fix some minor bugs and we implement:
!!!New freemium version!!!
- New User interface
- New supplements reminder:
You can search your favorite supplements such whey, creatine, mass gainer, carnitine and so on
and Girths and caliper will remind you when they are close to the end 3.5 05/04/2019 Debug option to explore next great features to implement in our app 2.4 03/18/2019 Minor bug solved: when shoot a photo and saving on iCloud. 2.3 03/08/2019 In this version:
- Minor bug corrected
- Added the girth for relaxed bicep
- Added the functionality to save data on iCloud and share it on all your iOS devices 2.2 03/01/2019 2.1 01/26/2019
version 3.8
posted on 2019-05-29
New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation
version 3.8
posted on 2019-05-29
May 29, 2019
Version 3.8
New UI for insights pages
Supplements now display correct labels for macro nutrients
Added new beginning presentation
Disclaimer
Official App Store Link
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