# GNSS Analyzer vs Star Debug

The clearest difference is review sentiment: Star Debug at 100% against GNSS Analyzer's 0%. Star Debug also leads on rating (5.0 vs 1.0) and update cadence (every 2 months vs every 12 months). GNSS Analyzer's advantage is iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Star Debug holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Star Debug has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of GNSS Analyzer's written reviews are positive against 100% of Star Debug's.

GNSS Analyzer ships an update every 12 months, Star Debug every 2 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GNSS Analyzer | Star Debug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/gnss-analyzer/id1040750117/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/star-debug/id6449881082/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 24 MB | 32 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [Ihor Lytvynenko](https://appshunter.io/developer/1690951821) |

## What reviewers say

### GNSS Analyzer

[App page](https://appshunter.io/ios/app/gnss-analyzer/id1040750117)

Record and analyze positioning data from QZSS-supported receivers. View satellite radar, signal strength, and current location on a map. Import logs to review past data and receive disaster management reports.

**Highlights:** Record NMEA positioning data, View satellite radar and signal level, Display current position on map, Import and preview recorded NMEA logs, Receive QZSS DC Reports, Share NMEA log files via email

**Features:** Vision Pro support

**In-app purchases:** none


### Star Debug

[App page](https://appshunter.io/ios/app/star-debug/id6449881082)

Manage your Starlink devices with this alternative tool. It allows you to decode debug data, initiate basic dish and router operations, view telemetry, and create shareable debug data files. The app also checks your internet connection.

**Highlights:** Decode DebugData JSON, Initiate dish operations (Reboot, Stow, Unstow), Initiate router operations (Reboot, WiFi setup), View online telemetry and statuses, Create and share DebugData JSON, Check internet connection

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

**In-app purchases:** none


## Frequently asked questions

### Is GNSS Analyzer free?

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

### Is Star Debug free?

Star Debug is free to download, with no in-app purchases.

### Which has better reviews, GNSS Analyzer or Star Debug?

Star Debug is rated higher. GNSS Analyzer averages 1.0 out of 5 from 1 ratings, while Star Debug averages 5.0 from 5 ratings.

### Do GNSS Analyzer or Star Debug have ads?

Neither GNSS Analyzer nor Star Debug shows ads.

### Which is updated more often, GNSS Analyzer or Star Debug?

GNSS Analyzer ships an update every 12 months, and Star Debug every 2 months. Most recently, GNSS Analyzer was updated on October 3, 2026 and Star Debug on October 8, 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.*