# VuSitu vs Bad Elf Flex

The clearest difference is review sentiment: VuSitu at 100% against Bad Elf Flex's 40%. VuSitu also leads on rating (4.9 vs 3.6) and update cadence (every 6 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

VuSitu holds the better App Store score, 4.9 against 3.6. Both are backed by a comparable volume of ratings — 16 and 14 respectively. Written reviews point the same way: 100% of VuSitu's written reviews are positive against 40% of Bad Elf Flex's.

VuSitu ships an update every 6 weeks, Bad Elf Flex every 3 months. The most recent releases landed on August 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | VuSitu | Bad Elf Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/vusitu/id1448937574/reviews)** | [3.6 (14 ratings)](https://appshunter.io/ios/app/bad-elf-flex/id1486378497/reviews) |
| Number of ratings | **16** | 14 |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 170 MB | 32 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [In-Situ Inc.](https://appshunter.io/developer/592873894) | [Bad Elf, LLC.](https://appshunter.io/developer/391764721) |

## What reviewers say

### VuSitu

[App page](https://appshunter.io/ios/app/vusitu/id1448937574)

Easily connect to water monitoring instruments to view, manage, and share water quality and quantity data. Configure, calibrate, and deploy instruments, view live readings, and set up logs. Securely store and share data through a cloud-based account.

**Highlights:** Connect to In-Situ instruments, View live water quality data, Configure and calibrate instruments, Create and manage log files, Secure cloud data storage, Share data via HydroVu, Instant graphing for readings

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

**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 VuSitu free?

VuSitu 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, VuSitu or Bad Elf Flex?

VuSitu is rated higher. VuSitu averages 4.9 out of 5 from 16 ratings, while Bad Elf Flex averages 3.6 from 14 ratings.

### Do VuSitu or Bad Elf Flex have ads?

Neither VuSitu nor Bad Elf Flex shows ads.

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

VuSitu ships an update every 6 weeks, and Bad Elf Flex every 3 months. Most recently, VuSitu was updated on August 21, 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.*