Comparison

GNSS View vs GPS Data Smart

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

Head to head
About

GNSS View

Visualize the positions of satellite navigation systems like QZSS and GPS in the sky. View satellite arrangements on a radar or through augmented reality from your current location. Supports multiple satellite constellations and customizable display options.

Highlights
  • Position Radar view of satellites
  • Augmented Reality (AR) display
  • Supports QZSS, GPS, GLONASS, BeiDou, Galileo, SBAS
  • Select specific signal satellites
  • Set elevation mask angle
  • Display HDOP and VDOP values
Read full description

This application enables you to see where the Quasi-Zenith Satellite System in the sky! ●What is QZSS? Quasi-Zenith Satellite System (QZSS) is a Japanese satellite positioning system composed mainly of satellites in quasi-zenith orbits (QZO). Satellite positioning systems use satellite signals to calculate position information. One famous example is the American Global Positioning System (GPS) and the QZSS is sometimes called the Japanese GPS. For details, please refer to the following Website "Quasi-Zenith Satellite System". URL : https://qzss.go.jp/en ●What is GNSS View? GNSS View provides that iOS version application that is based on the website application "GNSS View". This application enables you to know position of positioning satellites such as QZSS and GPS in the specified time and location. The positioning satellites displayed in the GNSS View are not based on the satellite information directly received by the smartphone but are displayed based on the satellite arrangement calculated based on the publicly released orbit information. ●GNSS View 3 functions 【Main】 ・You can move to the Position Radar screen or AR Display screen from the application startup screen. ・You can see the operating manual and privacy policy of this application via the website. 【Position Radar】 ・It is provided radar view of positioning satellites such as QZSS and GPS as a sky plot at the specified time and location. ・Positioning satellites can be specified from QZSS, GPS, GLONASS, BeiDou, Galileo, SBAS. ・You can also select specified signal satellites to see on the radar. ・You can see selected satellites by setting elevation mask angle. ・You can switch east and west of satellite arrangement, turn on / off rotation, and switch on / off display of satellite number. ・It displays HDOP, VDOP, the total number of satellites and the number of each positioning satellites in the satellite arrangement displayed on the radar. 【AR Display】 ・Position of positioning satellites such as QZSS and GPS on the sky from your current location is able to see through your camera at the specified time. ・In order to display satellites, it is necessary to turn on the position information of the smartphone and complete the positioning. Therefore, it may take time to display. ・Positioning satellites can be specified from QZSS, GPS, GLONASS, BeiDou, Galileo, SBAS. ・You can also select specified signal satellites to see on the radar. ・You can see selected satellites by setting elevation mask angle. ●Supported versions ・iOS 26 ・iOS 18 ・iOS 17 ・iOS 16 ・iOS 15 ・iOS 14

About

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.

Highlights
  • 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
Features
Read full description

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/

Screenshots

GNSS View2 screens
GPS Data Smart4 screens

Verdict

The call

The clearest difference is in-app purchases: GNSS View at none against GPS Data Smart's 2. GPS Data Smart's advantage is rating (4.7 vs 4.3) and ratings volume (406 vs 19). On price, review sentiment, update cadence 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. GPS Data Smart sells 2 in-app purchases, starting at $0.99 per year. GNSS View asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GPS Data Smart holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: GPS Data Smart has 406 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 69% of GNSS View's written reviews are positive against 72% of GPS Data Smart's.

UpkeepUpdate frequency

GNSS View ships an update every 7 months, GPS Data Smart every 4 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
GNSS View versus GPS Data Smart: the parameters behind the verdict, then further details
ParameterGNSS ViewGPS Data Smart
PriceFreeFree
Rating4.3 (19 ratings)4.7 (406 ratings) — better
Positive reviews68.8% of reviews72.2% of reviews — better
Number of ratings19406 — better
Update frequencyEvery 7 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size4 MB22 MB
Age rating4+4+
DeveloperNEC CorporationExaMobile S.A.

Customer experience

GNSS View

All ratings19 ratings
Positive84.2%
Neutral5.3%
Negative10.5%
Written reviews16 reviews
Positive68.8%
Neutral6.3%
Negative25.0%

GPS Data Smart

All ratings406 ratings
Positive94.1%
Neutral3.0%
Negative3.0%
Written reviews79 reviews
Positive72.2%
Neutral5.1%
Negative22.8%

Bugs and requests

GNSS View

Not enough reviews yet to summarise bugs or 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
Show 2 more
  • 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
Show 6 more
  • GPS data export capability
  • GPS signal strength indicator
  • Coordinate conversion tool
  • Russian language support
  • Map display feature
  • Radar functionality

In-app purchases

None

GNSS View

No in-app purchases

2 purchases

GPS Data Smart

Subscriptions1
  • PRO$0.991 Year
One-time1
  • Premium$2.99

Questions

Is GNSS View free?
GNSS View is free to download, with no in-app purchases.
Is GPS Data Smart free?
GPS Data Smart is free to download, with in-app purchases available.
Which has better reviews, GNSS View or GPS Data Smart?
GPS Data Smart is rated higher. GNSS View averages 4.3 out of 5 from 19 ratings, while GPS Data Smart averages 4.7 from 406 ratings.
Do GNSS View or GPS Data Smart have ads?
Neither GNSS View nor GPS Data Smart shows ads.
Which is updated more often, GNSS View or GPS Data Smart?
GNSS View ships an update every 7 months, and GPS Data Smart every 4 months. Most recently, GNSS View was updated on September 22, 2026 and GPS Data Smart on September 21, 2026.

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