# One Point Proctor — Proctor & Sand Cone Calculator > Professional soil compaction calculator for geotechnical engineers and technicians. (iPhone/iPad app by ConAppSol, LLC.) - Source: https://appshunter.io/ios/app/one-point-proctor/id6782711513 (this page in markdown: same URL + `.md`) - Developer: [ConAppSol, LLC](https://appshunter.io/developer/6782711515) - Category: Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 26.5 · 12 MB - Languages: American English - Released: 2026-07-08 - Data updated: 2026-08-25 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/one-point-proctor/id6782711513/reviews.md ## What is One Point Proctor? One Point Proctor is a professional soil compaction calculator designed for accuracy, efficiency, and real-world field use. Built for geotechnical engineers, technicians, inspectors, and project managers, the app delivers fast, reliable, and repeatable compaction results with precision beyond traditional methods. Whether working in the field or the laboratory, One Point Proctor helps you calculate, validate, and document compaction data with confidence. FEATURES One Point Proctor Calculations • Computes One Point Proctor values using refined algorithms • Provides higher accuracy compared to standard family curve methods • Produces consistent and dependable compaction results Oversize Correction • Automatically calculates corrected values for materials containing oversized particles • Supports industry-standard correction procedures • Simplifies field and laboratory calculations Sand Cone (Field Compaction) • Calculates dry density, moisture content, and field compaction percentage • Designed for fast and accurate field testing • Streamlines density verification workflows Smart Validation • Detects inconsistent or unrealistic inputs • Provides clear feedback to improve data quality • Reduces calculation errors and rework Professional Reporting • Generates clear, structured calculation reports • Supports field verification, laboratory testing, and QA/QC documentation • Includes PDF report generation and sharing Built for Field and Laboratory Workflows • Clean and intuitive user interface • Optimized for use on construction sites and in laboratories • Designed for engineers, technicians, inspectors, and project managers Subscription One Point Proctor offers auto-renewable subscriptions to unlock premium features, including: • Oversize Correction • Sand Cone Calculations • Advanced PDF Reporting Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime through your Apple Account Settings. One Point Proctor provides accurate, efficient, and professional-grade compaction analysis, helping you make better decisions in the field and deliver reliable results every time. Privacy Policy: https://www.conappsol.com/menu/app-privacy-and-policies/one-point-proctor Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - One Point Proctor Calculations - Oversize Correction - Sand Cone (Field Compaction) - Smart Validation - Professional Reporting - Field and Laboratory Workflows ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | One Point Proctor Monthly | $0.99 | per month | | One Point Pro Yearly | $9.99 | per year | ## Frequently asked questions about One Point Proctor ### What is One Point Proctor? One Point Proctor is a professional soil compaction calculator designed for accuracy and efficiency in real-world field and laboratory use. It helps geotechnical engineers and technicians calculate, validate, and document compaction data. ### What are the premium features of One Point Proctor? Premium features unlocked via subscription include Oversize Correction, Sand Cone Calculations, and Advanced PDF Reporting. These features enhance the app's capabilities for detailed soil analysis. ### How does One Point Proctor handle oversized particles? One Point Proctor includes an Oversize Correction feature that automatically calculates corrected values for materials containing oversized particles. It supports industry-standard correction procedures to simplify calculations. ### Can One Point Proctor generate reports? Yes, One Point Proctor generates clear, structured calculation reports that support field verification, laboratory testing, and QA/QC documentation. Advanced PDF reporting is available with a subscription. ### What devices is One Point Proctor available on? One Point Proctor is available on iPhone and iPad devices. It is optimized for use in both construction sites and laboratories. ### How often is One Point Proctor updated? The app was last updated on July 8, 2026, with version 1.0. Further updates will be released to improve functionality and add features. ### What is the pricing for One Point Proctor subscriptions? One Point Proctor offers monthly subscriptions at $0.99 and yearly subscriptions at $9.99. Subscriptions automatically renew unless canceled at least 24 hours before the current billing period ends. ### Does One Point Proctor have ads? No, One Point Proctor does not contain advertisements. The app is free to download and use, with optional subscriptions for premium features. ## Version history (last 2 releases) ### 1.0.1 — 2026-08-19 Minor improvements and refinements to the subscription experience. ### 1.0 — 2026-07-08 No release notes. ## More apps by ConAppSol, LLC - [Master Karaoke](https://appshunter.io/ios/app/master-karaoke/id6790194401) All apps by ConAppSol, LLC: https://appshunter.io/developer/6782711515 --- *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 2026-08-25.*