Comparison

GNSS Log App vs vSite Scan

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

Head to head
About

GNSS Log App

This app provides a digital solution for surveyors and geodesists to document static GNSS observations. It offers comprehensive equipment management, direct integration with geodetic databases, and tools for field data collection, all while ensuring professional, publication-ready PDF output.

Highlights
  • Digital static GNSS observation logging
  • Comprehensive equipment library management
  • Direct NGS database integration
  • OPUS solution import and integration
  • Field tools: timers, weather, photos, visibility diagrams
  • Publication-ready PDF export
  • Privacy-focused, no account required
Read full description

GNSS Obs - Professional Observation Logs GNSS Obs is the professional solution for documenting static GNSS observations. Designed for surveyors, geodesists, and geospatial professionals, it eliminates transcription errors and ensures consistent, accurate project documentation. Replace Paper Logs with Digital Precision Stop relying on paper forms, fillable PDFs, and handwritten notes. GNSS Obs provides a structured workflow that promotes accuracy and completeness while maintaining the professional standards required for geodetic control projects. Comprehensive Equipment Management Build and maintain your equipment library with support for: • Fixed height, collapsible and adjustable tripods • Antenna extensions • Integrated antenna/receiver configurations • Complete metadata for NGS compliance Import and export library items to share standardized configurations across your organization. Direct NGS Database Integration Access public monument data directly from: • National Geodetic Survey Integrated Database (IDB) • OPUS Share Database • NOAA CO-OPS Stations Monuments can also be entered manually when working with local control networks. OPUS Solution Integration Import OPUS solution emails to automatically populate: • Observed positions • Actual observation times • Session statistics • Solution quality metrics Include the complete OPUS solution in your PDF output for comprehensive project records. Essential Field Tools • Session timers with local notifications • Automatic weather recording at session start and end • Photo documentation with NGS-compliant naming • Satellite visibility diagrams using device motion sensors • Real-time editing before, during, and after observations Professional Documentation Export publication-ready PDF observation logs featuring: • Your company logo and branding • Complete equipment configurations • Weather conditions • Site photographs • Visibility diagrams • OPUS solutions Share via Files, email, AirDrop, or messaging. Note: This app documents observations and does not communicate with GNSS receivers. It is designed as a field companion for recording session metadata and producing professional deliverables. Privacy First All data remains on your device. No account required. Full control over exports and backups. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

vSite Scan

Features
Read full description

Simplify reality capture and enhance project workflows with vSite Scan—the ultimate tool for capturing, validating, and sharing site conditions. With its intuitive design and seamless integration into the vSite platform, vSite Scan empowers teams to stay connected, informed, and productive at every stage of the project. Capture. Upload. Analyze. Effortlessly scan site conditions, upload them directly to vSite, and unlock powerful features like as-built verification, progress tracking, and augmented reality (AR) visualization. Streamline project documentation and decision-making with real-time updates and unparalleled precision. Key Features: • Effortless Reality Capture: Quickly capture highly accurate scans of site conditions for detailed documentation and AI-powered analysis. • One-Click Documentation: Simplify workflows by instantly capturing and uploading scans for integration into reports and AR visualizations. • As-Built Verification: Ensure designs align with real-world conditions using intuitive validation tools. • Progress Tracking: Monitor and document project updates in real-time, keeping all stakeholders informed and aligned. • Seamless Integration with vSite: Upload scans directly from the field to the vSite platform, ensuring accessibility and collaboration from anywhere. • Enhanced Collaboration: Combine scans with GIS and BIM data to create actionable insights and foster team alignment. • Portable and Efficient: Optimized for iOS devices, delivering advanced capabilities without the need for extra hardware. vSite Scan redefines how projects are documented and managed. Whether you’re capturing reality, validating as-built conditions, or tracking progress, this app transforms complex workflows into effortless processes, ensuring better outcomes for your team. Elevate your projects today with vSite Scan. Download now and take control of your site management!

Screenshots

GNSS Log App4 screens
vSite Scan4 screens

Verdict

The call

The clearest difference is update cadence: vSite Scan at every 2 weeks against GNSS Log App's every 2 months. vSite Scan also leads on iOS requirement (16.1 vs 18.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GNSS Log App ships an update every 2 months, vSite Scan every 2 weeks. The most recent releases landed on September 9, 2026 and August 20, 2026 respectively.

Scorecard2 real differences · 8 level
GNSS Log App versus vSite Scan: the parameters behind the verdict, then further details
ParameterGNSS Log AppvSite Scan
PriceFreeFree
Rating4.9 (16 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings16 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.1 — better
Further details — not scored
Size204 MB77 MB
Age rating4+4+
DeveloperJohn MayvGIS Inc.

In-app purchases

None

GNSS Log App

No in-app purchases

None

vSite Scan

No in-app purchases

Questions

Is GNSS Log App free?
GNSS Log App is free to download, with no in-app purchases.
Is vSite Scan free?
vSite Scan is free to download, with no in-app purchases.
Do GNSS Log App or vSite Scan have ads?
Neither GNSS Log App nor vSite Scan shows ads.
Which is updated more often, GNSS Log App or vSite Scan?
GNSS Log App ships an update every 2 months, and vSite Scan every 2 weeks. Most recently, GNSS Log App was updated on September 9, 2026 and vSite Scan on August 20, 2026.

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