# Girths & caliper — Skinfold-Charts-Trend-Pictures > Body composition tracking app for skinfold and girth measurements. (iPhone/iPad app by Alberto Lunardini.) - Source: https://appshunter.io/ios/app/girths-and-caliper/id1447380258 (this page in markdown: same URL + `.md`) - Developer: [Alberto Lunardini](https://appshunter.io/developer/1081594806) - Category: Health & Fitness, Sports - Price: Free with in-app purchases - Age rating: 12+ - Requires: iOS 18.6 · 19 MB - Languages: English, Italian - Released: 2019-01-27 - Data updated: 2026-08-11 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/girths-and-caliper/id1447380258/reviews.md ## What is Girths & caliper? 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 ## Key features - 16 Girth points - 4 Skinfold methods - Progress charting - Photo integration - Health app integration - Data export/import - Barcode supplement scanner ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Subscription | $3.99 | per month | | Subscription Yearly | $29.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | All 16 Girths point | $1.99 | one-time | | Jacson&Polloc Methods | $1.99 | one-time | | Supplement list expanse | $0.99 | one-time | | Unlock all features-remove ads | $3.99 | one-time | ## Recent user reviews (10 of 12) All indexed reviews: https://appshunter.io/ios/app/girths-and-caliper/id1447380258/reviews.md ### 2/5 — Without paying not worth the download *2026-07-04, version 16* Without subscribing you have JP3 and a few girth measurements, basically useless. ### 2/5 — Non riesco ad abbonarmi *2026-06-14, version 13* Vorrei abbonarmi per ottenere il massimo dall’applicazione, ma non funziona il tasto abbonati. ### 1/5 — Un piccolo aggiornamento..? *2023-07-01, version 3.8* Non esiste una cronologia se provi a rifare più misurazioni non funziona ### 5/5 — Ottima e funzionale *2021-07-25, version 3.8* È utilissima per monitorare l’andamento della propria forma fisica. Semplice e chiara permette di tenere traccia dei progressi e dell’andamento generale rispetto ai propri obiettivi. Il servizio di assistenza è celere ed esaustivo per eventuali necessità. La consiglio. ### 1/5 — Solo a pagamento! *2021-02-21, version 3.8* Se non paghi, non puoi fare nulla! ### 1/5 — App crashing *2020-09-29* Liked the functionality of the app, and so purchased the full program. As soon as I used one function the app crashed and crashes on start up every time now. **Developer response:** Sorry for the late reply, I’m sorry about the problem you encountered with the app. Girths & Caliper is unique and is the most exhaustive app for monitoring body recomposition. If you mail me we can solve the issues. ### 1/5 — Poorly written *2020-08-10* Many typos when I first opened the app. No, I won’t give you access to my “Helth”. It’s spelled health. I deleted it, didn’t trust the company giving them access to my personal information after that. **Developer response:** Girths & Caliper don’t share your data with any server, if you allow to save some data with iOS health app they remain inside your account as per Apple guidelines. At first launching of the app you have the option to share or not the data with health app. Anyway you can always activate it from within the health app options. ### 5/5 — Bellissima Semplice e Utilissima *2020-06-10, version 3.8* Meglio di un dietologo! Ho sempre tutto sotto controllo..perfetta! ### 5/5 — Eccellente *2019-10-23, version 3.8* Grandissima app utile per chi ama tenersi in forma, tenendo d’occhio, molto accuratamente, i progressi del proprio corpo! ### 5/5 — Ottima App *2019-09-11, version 3.8* Ottima app, ho avuto necessità di aiuto quando ho cambiato telefono e prontamente lo sviluppatore mi ha guidato nei passaggi (reinstallando l’app). ## Frequently asked questions about Girths & caliper ### What body measurements does Girths & caliper track? Girths & caliper tracks 16 different girth points and utilizes 4 distinct skinfold measurement methods, including Jackson & Pollack (7 and 3 point), Durnin Womersley, and Sloan. This comprehensive approach allows for detailed body composition analysis. ### Can I see my progress over time with Girths & caliper? Yes, Girths & caliper provides charts that visualize your progress for girths, skinfolds, and even girths relative to skinfold measurements or weight. This helps you numerically translate your training advancements. ### Does Girths & caliper integrate with other health apps? Yes, Girths & caliper offers integration with the Health app, allowing for a more holistic view of your health data. This feature helps consolidate your fitness and wellness information. ### How can I back up my data in Girths & caliper? Your data can be saved securely on iCloud within Girths & caliper. Additionally, you can export and import your data as a CSV file, providing flexibility for data management and analysis. ### What is the age rating for Girths & caliper? Girths & caliper is rated 12+ by app stores, indicating it is suitable for users aged 12 and older. This rating is based on general content appropriateness for that age group. ### How often is Girths & caliper updated? The latest version of Girths & caliper is 3.8, which was last updated on May 29, 2019. Users can expect updates to address bugs and potentially introduce new features over time. ### What devices support Girths & caliper? Girths & caliper is available on iPhone, iPad, and iPod touch devices. This broad compatibility ensures that a wide range of Apple users can access its features. ### Does Girths & caliper have ads? No, Girths & caliper does not contain advertisements. The app is free to download and use, with optional in-app purchases available. ## Version history (last 5 releases) ### 16 — 2026-06-23 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. ### 14 — 2026-06-18 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. ### 11 — 2026-05-30 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. ### 3.8 — 2019-05-29 New UI for insights pages Supplements now display correct labels for macro nutrients Added new beginning presentation ### 3.6 — 2019-05-10 Minor bugs and stabiliti improvements ## Apps similar to Girths & caliper | App | Rating | Price | Category | | --- | --- | --- | --- | | [Académie KINESPORT](https://appshunter.io/ios/app/academie-kinesport/id1585633120) | — | Free | Health & Fitness | | [Bikee](https://appshunter.io/ios/app/bikee/id1581771400) | — | Free | Health & Fitness | | [MOVE!](https://appshunter.io/ios/app/move/id1586662340) | 5.0 (1) | Free | Health & Fitness | | [My Coach app](https://appshunter.io/ios/app/my-coach-app/id1582359740) | — | Free | Health & Fitness | | [OPTIfit.](https://appshunter.io/ios/app/optifit/id1582456380) | — | Free | Health & Fitness | | [Monadnock Gymnastics Center](https://appshunter.io/ios/app/monadnock-gymnastics-center/id1583625180) | 5.0 (3) | Free | Health & Fitness | ## More apps by Alberto Lunardini - [iDrug](https://appshunter.io/ios/app/idrug/id1513641850) All apps by Alberto Lunardini: https://appshunter.io/developer/1081594806 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-11.*