# GNSS Analyzer vs Bad Elf Flex

The clearest difference is rating: Bad Elf Flex at 3.6 against GNSS Analyzer's 1.0. Bad Elf Flex also leads on review sentiment (40% vs 0%) and update cadence (every 3 months vs every 12 months). 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.

Bad Elf Flex holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: Bad Elf Flex has 14 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 40% of Bad Elf Flex's.

GNSS Analyzer ships an update every 12 months, Bad Elf Flex every 3 months. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | GNSS Analyzer | Bad Elf Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/gnss-analyzer/id1040750117/reviews) | **[3.6 (14 ratings)](https://appshunter.io/ios/app/bad-elf-flex/id1486378497/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 24 MB | 32 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [Bad Elf, LLC.](https://appshunter.io/developer/391764721) |

## 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


### Bad Elf Flex

[App page](https://appshunter.io/ios/app/bad-elf-flex/id1486378497)

This utility app enhances the functionality of Bad Elf Flex and Flex Mini GNSS receivers. It allows users to monitor hardware health, adjust settings, and update firmware. For the Flex model, it also enables the purchase and application of tokens for advanced features and correction sources like SBAS and RTK.

**Highlights:** Monitor GNSS receiver health, Change hardware settings, Perform firmware updates, Purchase and load Flex Tokens, Enable hardware-based features, Access correction sources

**Features:** 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 Bad Elf Flex free?

Bad Elf Flex is free to download, with no in-app purchases.

### Which has better reviews, GNSS Analyzer or Bad Elf Flex?

Bad Elf Flex is rated higher. GNSS Analyzer averages 1.0 out of 5 from 1 ratings, while Bad Elf Flex averages 3.6 from 14 ratings.

### Do GNSS Analyzer or Bad Elf Flex have ads?

Neither GNSS Analyzer nor Bad Elf Flex shows ads.

### Which is updated more often, GNSS Analyzer or Bad Elf Flex?

GNSS Analyzer ships an update every 12 months, and Bad Elf Flex every 3 months. Most recently, GNSS Analyzer was updated on September 18, 2026 and Bad Elf Flex on September 9, 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.*