Comparison

DCP Companion vs One Point Proctor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DCP Companion

Streamline Dynamic Cone Penetrometer testing with this app. It allows for quick data recording, instant CBR calculations, and on-site PDF report generation. Visualize results in real-time and manage your entire test history.

Highlights
  • Record test data quickly
  • Instant CBR calculations
  • Real-time CBR graph visualization
  • GPS location tracking
  • On-site PDF report generation
  • Manage test history
  • Offline functionality
Read full description

DCP Companion revolutionizes how you perform Dynamic Cone Penetrometer testing in the field. This powerful yet intuitive app helps you: • Record test data quickly and accurately • Get instant CBR (California Bearing Ratio) calculations • Visualize results with real-time depth vs. CBR graph • Capture precise GPS locations for each test • Generate PDF reports on-site • Manage and access your complete test history Perfect for: - Geotechnical Engineers - Construction Quality Control - Road Construction Projects - Soil Investigation Teams - Infrastructure Development - Research Applications Key Features: - Clean, intuitive interface - Automatic CBR calculations - Interactive data visualization - GPS location tracking - Comprehensive test management - PDF reports - Offline functionality Save time, eliminate calculation errors, and maintain a professional record of all your DCP tests with DCP Companion – your reliable partner in the field. Note: This app is designed for use with standard Dynamic Cone Penetrometer equipment and follows industry testing protocols.

About

One Point Proctor

This professional soil compaction calculator offers accurate and efficient field and lab calculations. It helps geotechnical professionals validate and document compaction data with features like oversize correction and smart validation.

Highlights
  • One Point Proctor Calculations
  • Oversize Correction
  • Sand Cone (Field Compaction)
  • Smart Validation
  • Professional Reporting
  • Field and Laboratory Workflows
Features
Read full description

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/

Screenshots

DCP Companion4 screens
One Point Proctor4 screens

Verdict

The call

The clearest difference is in-app purchases: DCP Companion at none against One Point Proctor's 2. DCP Companion also leads on iOS requirement (18.1 vs 26.5). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. One Point Proctor sells 2 in-app purchases, starting at $0.99 per month. DCP Companion asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for DCP Companion against 5.0 for One Point Proctor. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Scorecard3 real differences · 7 level
DCP Companion versus One Point Proctor: the parameters behind the verdict, then further details
ParameterDCP CompanionOne Point Proctor
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequency—Every 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS18.1 — better26.5
Further details — not scored
Size3 MB12 MB
Age rating4+4+
DeveloperNikita KraevConAppSol, LLC

Customer experience

DCP Companion

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

One Point Proctor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DCP Companion

No in-app purchases

2 purchases

One Point Proctor

Subscriptions2
  • One Point Proctor Monthly$0.991 Month
  • One Point Pro Yearly$9.991 Year

Questions

Is DCP Companion free?
DCP Companion is free to download, with no in-app purchases.
Is One Point Proctor free?
One Point Proctor is free to download, with in-app purchases available.
Which has better reviews, DCP Companion or One Point Proctor?
DCP Companion and One Point Proctor are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do DCP Companion or One Point Proctor have ads?
Neither DCP Companion nor One Point Proctor shows ads.

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