# GNSS Analyzer vs ISATRACKING

The clearest difference is update cadence: GNSS Analyzer at every 12 months against ISATRACKING's every 27 months. On price, ads, in-app purchases and device support there is nothing between them.

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

GNSS Analyzer ships an update every 12 months, ISATRACKING every 27 months. The most recent releases landed on September 18, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | GNSS Analyzer | ISATRACKING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/gnss-analyzer/id1040750117/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 27 months |
| Monetization | Free | — |
| Size | 24 MB | 88 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [Tamilarasan Kannan](https://appshunter.io/developer/1500116258) |

## 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

**In-app purchases:** none


### ISATRACKING

[App page](https://appshunter.io/ios/app/isatracking/id6449498746)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GNSS Analyzer free?

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

### Is ISATRACKING free?

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

### Do GNSS Analyzer or ISATRACKING have ads?

Neither GNSS Analyzer nor ISATRACKING shows ads.

### Which is updated more often, GNSS Analyzer or ISATRACKING?

GNSS Analyzer ships an update every 12 months, and ISATRACKING every 27 months. Most recently, GNSS Analyzer was updated on September 18, 2026 and ISATRACKING on June 11, 2026.

---

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