GPS Data Smart vs Nav Diag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPS Data Smart
Track your outdoor activities with detailed GPS information. Monitor altitude, speed, location, and signal quality. View sunrise/sunset times and local UTC time on a world map.
- Altitude and elevation tracking
- Latitude and longitude coordinates
- Speed in km/h or mph
- GPS signal quality indicator
- Directional compass
- Sunrise and sunset times
- Local UTC time
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GPS Data app - you can check any necessary GPS data. If you like sports, mountaineering, journey, running you can use it to check your results or external parameters like speed, altitude, location, etc. Using this app you get: - altitude and elevation (measures of the height of a point relative to some datum - Height above sea level) - the location (latitude and longitude - GPS coordinates, lat and long) - speed km/h or mph - the quality of the GPS signal - direction - compass (determining the geographical position) In this app you get the access to the necessary mobile data, you don't need navigation, GPS tracker or GPS Watch. With this app you can check sunrise and sunset time of a day, local UTC time, position on the world map and many others data. Have a fun with GPS data app ! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://examobile.com/privacypolicy/
Nav Diag
This app provides in-depth diagnostics for device location and navigation services. It offers real-time GPS monitoring, motion data, iBeacon ranging, and region monitoring for developers and tech enthusiasts.
- Real-time GPS coordinate monitoring
- Motion sensor data (accelerometer, gyroscope)
- iBeacon ranging and simulation
- Customizable geographic region monitoring
- Location history export
- System capability analysis
- Background location monitoring
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NavDiags is a comprehensive location and navigation diagnostics application for iOS developers, location-based service professionals, and tech enthusiasts needing detailed insights into their device's positioning capabilities. CORE LOCATION FEATURES Monitor real-time GPS coordinates with precision down to centimeters. Track location accuracy, speed, course direction, and altitude with live updates. View detailed location history with timestamps and export data for analysis. Set up custom geographic regions for entry and exit notifications. Monitor significant location changes and visit tracking for low-power location monitoring. ADVANCED POSITIONING Monitor compass heading with magnetic and true north readings. Track device motion with accelerometer, gyroscope, and magnetometer data. View location age and freshness indicators to understand data reliability. IBEACON AND BLUETOOTH Comprehensive iBeacon ranging to detect nearby Bluetooth beacons with signal strength analysis. Simulate iBeacon transmission to test beacon-based applications and location services. Discover nearby BLE devices and iBeacons with detailed signal analysis. Save and organize beacon configurations in a persistent library for easy reuse across ranging, discovery, and simulation features. REGION MONITORING Create circular geographic regions with customizable radius and notifications. Monitor region entry and exit events with detailed logging. Save and load region configurations from a persistent library. View region events history with timestamps and export capabilities. Visual map display of monitored regions and current location. PROFESSIONAL DIAGNOSTICS Detailed system capability analysis showing available location services and authorization status. Background location monitoring with comprehensive logging. Location permission analysis and troubleshooting guidance. DEVELOPER TOOLS Real-time location service status monitoring. Detailed error reporting and debugging information. Custom UUID generation for iBeacon applications. Comprehensive location settings validation and recommendations. USER INTERFACE Clean, intuitive design optimized for both portrait and landscape orientations. Real-time data updates with customizable refresh rates. Dark mode support for comfortable viewing in all lighting conditions. Comprehensive search and filtering across all features. Export and share functionality for collaboration and reporting. DATA MANAGEMENT Persistent storage of location history, region events, and beacon configurations. Configurable data retention policies to manage storage usage. Bulk operations for managing large datasets. Advanced sorting and filtering options for efficient data analysis. PRIVACY AND SECURITY All location data remains on device with no cloud storage or external transmission. User-controlled data retention and deletion options. Transparent privacy controls with clear explanations of data usage. Optional data export only when explicitly requested by user. TECHNICAL SPECIFICATIONS Supports all iOS location services including GPS, WiFi, and cellular positioning. Compatible with all iBeacon and BLE 4.0 plus devices. Optimized for performance with minimal battery impact during standard operation. Comprehensive error handling and recovery mechanisms. IDEAL FOR iOS developers building location-aware applications who need detailed testing and debugging capabilities. Location service professionals requiring comprehensive diagnostic tools for troubleshooting and optimization. Technical users interested in understanding their device's location and navigation capabilities in detail. Whether you are developing the next great location-based app, troubleshooting location service issues, or simply curious about how your iPhone determines its position, NavDiags provides the comprehensive tools and detailed information you need to understand and optimize location-based functionality on iOS devices.
Screenshots
Verdict
The clearest difference is price: GPS Data Smart at Free against Nav Diag's $0.99. GPS Data Smart also leads on ratings volume (417 vs 1) and iOS requirement (15.0 vs 17.6). Nav Diag's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 74%). On update cadence, ads 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
GPS Data Smart is free to download; Nav Diag costs $0.99 up front. GPS Data Smart sells 2 in-app purchases, starting at $0.99 per year. Nav Diag asks for nothing beyond the download.
Nav Diag holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: GPS Data Smart has 417 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of GPS Data Smart's written reviews are positive against 100% of Nav Diag's.
GPS Data Smart ships an update every 4 months, Nav Diag every 2 months. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.
| Parameter | GPS Data Smart | Nav Diag |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.7 (417 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 73.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 417 — better | 1 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 22 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ExaMobile S.A. | Alastair Bor |
Customer experience
GPS Data Smart
Nav Diag
Bugs and requests
GPS Data Smart
Reported bugs
7 issues- App crashes on iOS 9.3.6 and older versions
- Clipboard access without user permission
- Premium payment issues - repeated charges
- Radar page freezes when adding location
- App unresponsive after entering address in radar
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- Missing map feature shown in promotional screenshots
- Premium features not activating after purchase
Requested features
11 requests- Marine coordinate format (DD MM.MMM)
- Speed display in knots
- Satellite PRN (Pseudo-Random Noise) information
- Precise heading/bearing in degrees (001-360)
- Photo capture and attachment functionality
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- GPS data export capability
- GPS signal strength indicator
- Coordinate conversion tool
- Russian language support
- Map display feature
- Radar functionality
Nav Diag
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GPS Data Smart
- PRO$0.991 Year
- Premium$2.99
Nav Diag
No in-app purchases









