# GNSS View vs GPS Diagnostic

The clearest difference is price: GNSS View at Free against GPS Diagnostic's $2.99. GNSS View also leads on in-app purchases (none vs 1). GPS Diagnostic's advantage is update cadence (every 3 weeks vs every 7 months) and rating (4.6 vs 4.3). On ads and device support there is nothing between them.

GNSS View is free to download; GPS Diagnostic costs $2.99 up front. GPS Diagnostic sells 1 one-off in-app purchase. GNSS View asks for nothing beyond the download.

GPS Diagnostic holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: GPS Diagnostic has 554 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 78% of GPS Diagnostic's.

GNSS View ships an update every 7 months, GPS Diagnostic every 3 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | GNSS View | GPS Diagnostic |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/gnss-view/id924350018/reviews) | **[4.6 (554 ratings)](https://appshunter.io/ios/app/gps-diagnostic-satellite-test/id1020967894/reviews)** |
| Number of ratings | 19 | **554** |
| Positive reviews | 68.8% of reviews | **78.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#106** |
| Size | 4 MB | 34 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [David Ryall](https://appshunter.io/developer/925576172) |

## What reviewers say

### GNSS View

[App page](https://appshunter.io/ios/app/gnss-view/id924350018)

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

**In-app purchases:** none


### GPS Diagnostic

[App page](https://appshunter.io/ios/app/gps-diagnostic-satellite-test/id1020967894)

**Currently charting:** #106 Top Paid · Navigation (US App Store)

This app tests your device's GPS module, providing precise navigation parameters and diagnosing location issues. It supports multiple satellite systems and offers advanced coordinate conversions through an in-app purchase.

**Highlights:** Test GPS module, Fast GPS lock time, Precise navigation parameters, GPS "JumpStart" technology, Full satellite system support, Additional coordinate systems (IAP)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coordinates-Pro | Free | one-time |

**What reviewers like**

- 👍 Helpful diagnostic tool
- 🚀 Provides detailed GPS information
- 🔧 Useful for troubleshooting GPS issues
- 💡 Allows resetting GPS receiver
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🔍 Limited satellite data display (only 4 bars)
- 📝 Email support button not working
- 🔍 Lacks detailed information on satellite types

**Reported bugs**

- Crashes on startup for some users
- Fails to detect GPS signal on certain devices

**Requested features**

- Display number of satellites in view and locked
- Expand satellite signal strength graph to show more satellites
- Add support for landscape mode
- Provide more detailed GPS information (e.g., HDOP, VDOP)


## Frequently asked questions

### Is GNSS View free?

GNSS View is free to download, with no in-app purchases.

### Is GPS Diagnostic free?

GPS Diagnostic costs $2.99, and also offers in-app purchases.

### Which has better reviews, GNSS View or GPS Diagnostic?

GPS Diagnostic is rated higher. GNSS View averages 4.3 out of 5 from 19 ratings, while GPS Diagnostic averages 4.6 from 554 ratings.

### Do GNSS View or GPS Diagnostic have ads?

Neither GNSS View nor GPS Diagnostic shows ads.

### Which is updated more often, GNSS View or GPS Diagnostic?

GNSS View ships an update every 7 months, and GPS Diagnostic every 3 weeks. Most recently, GNSS View was updated on November 6, 2026 and GPS Diagnostic on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*