# USP Tool vs FLSone Configurator

The clearest difference is review sentiment: FLSone Configurator at 100% against USP Tool's 60%. On price, update cadence, 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.

USP Tool ships an update every 3 weeks, FLSone Configurator monthly. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | USP Tool | FLSone Configurator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flsone-configurator/id6741157646/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 111 MB | 42 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TechnoKom Ltd.](https://appshunter.io/developer/628312995) | [GLONASSsoft](https://appshunter.io/developer/991861785) |

## What reviewers say

### USP Tool

[App page](https://appshunter.io/ios/app/usp-tool/id976068950)

This mobile application allows for remote configuration and diagnostics of specific fuel level and angle meter sensors via Bluetooth. It displays supported sensors, enables settings adjustments, and shows real-time measured values for operational checks.

**Highlights:** Remote sensor configuration, Bluetooth connectivity, Sensor diagnostics, Display measured values, List supported sensors

**Features:** macOS Compatibility

**In-app purchases:** none


### FLSone Configurator

[App page](https://appshunter.io/ios/app/flsone-configurator/id6741157646)

Configure and manage FLSone fuel level sensors. View real-time fuel level and temperature data, calibrate sensors, and update firmware. Export and import calibration data, adjust data filtering, and manage logging.

**Highlights:** BLE scanner for sensor data, Sensor calibration, Export/import calibration data, Data filtering settings, Time synchronization, Firmware updates, Logging control and export

**In-app purchases:** none


## Frequently asked questions

### Is USP Tool free?

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

### Is FLSone Configurator free?

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

### Do USP Tool or FLSone Configurator have ads?

Neither USP Tool nor FLSone Configurator shows ads.

### Which is updated more often, USP Tool or FLSone Configurator?

USP Tool ships an update every 3 weeks, and FLSone Configurator monthly. Most recently, USP Tool was updated on October 16, 2026 and FLSone Configurator on October 12, 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.*