GNSS Log App vs ACTIVE RADAR App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
ACTIVE RADAR App
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Mobile data forms to help manage processes and define workflows. Specialized forms/checklists, built by professionals for professionals. Easily delegate work orders to your team, ensuring compliance with defined business rules. The RADAR application can be used standalone or as an auxiliary module of the RADAR platform, which is a full-featured advanced collaborative hub for process management and workflow execution. Join us @ RADAR App, we would love to hear from you concerning your specific needs and requirements.
Screenshots
Verdict
The clearest difference is update cadence: GNSS Log App at every 2 months against ACTIVE RADAR App's every 6 months. ACTIVE RADAR App's advantage is iOS requirement (11.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GNSS Log App ships an update every 2 months, ACTIVE RADAR App every 6 months. The most recent releases landed on September 9, 2026 and December 19, 2025 respectively.
| Parameter | GNSS Log App | ACTIVE RADAR App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (16 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 204 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | John May | ACTIVETECH - Tecnologias de Informacao, Lda |
In-app purchases
GNSS Log App
No in-app purchases
ACTIVE RADAR App
No in-app purchases
Questions
Is GNSS Log App free?
Is ACTIVE RADAR App free?
Do GNSS Log App or ACTIVE RADAR App have ads?
Which is updated more often, GNSS Log App or ACTIVE RADAR App?
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