# USE Mobile vs PROFLEX Connect

The clearest difference is review sentiment: USE Mobile at 100% against PROFLEX Connect's 39%. USE Mobile also leads on rating (4.0 vs 2.8). PROFLEX Connect's advantage is update cadence (weekly vs every 2 months) and ratings volume (54 vs 1). 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.

USE Mobile holds the better App Store score, 4.0 against 2.8. That said, the two scores are not equally well evidenced: PROFLEX Connect has 54 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of USE Mobile's written reviews are positive against 39% of PROFLEX Connect's.

USE Mobile ships an update every 2 months, PROFLEX Connect weekly. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | USE Mobile | PROFLEX Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/use-mobile/id829055292/reviews)** | [2.8 (54 ratings)](https://appshunter.io/ios/app/proflex-connect/id1262287275/reviews) |
| Number of ratings | 1 | **54** |
| Positive reviews | **100.0% of reviews** | 39.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 6 MB | 22 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [US Energy Group](https://appshunter.io/developer/829055295) | [ADVANCED FUEL DYNAMICS](https://appshunter.io/developer/1564136309) |

## What reviewers say

### USE Mobile

[App page](https://appshunter.io/ios/app/use-mobile/id829055292)

Monitor and control your building portfolio remotely. Receive real-time sensor updates, alerts, and notifications. Manage thermostat settings and boiler functions from your iOS device.

**Highlights:** Real-time portfolio monitoring, Sensor updates and alerts, Thermostat control, Boiler management, Mobile portal access

**Features:** macOS Compatibility

**In-app purchases:** none


### PROFLEX Connect

[App page](https://appshunter.io/ios/app/proflex-connect/id1262287275)

This app allows you to monitor your vehicle's fuel system performance in real-time. It displays device settings and helps locate nearby E85 fuel stations for convenient ethanol blending.

**Highlights:** Real-time device setting display, E85 station locator, Fuel ratio monitoring, Performance flex fuel system integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USE Mobile free?

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

### Is PROFLEX Connect free?

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

### Which has better reviews, USE Mobile or PROFLEX Connect?

USE Mobile is rated higher. USE Mobile averages 4.0 out of 5 from 1 ratings, while PROFLEX Connect averages 2.8 from 54 ratings.

### Do USE Mobile or PROFLEX Connect have ads?

Neither USE Mobile nor PROFLEX Connect shows ads.

### Which is updated more often, USE Mobile or PROFLEX Connect?

USE Mobile ships an update every 2 months, and PROFLEX Connect weekly. Most recently, USE Mobile was updated on September 11, 2026 and PROFLEX Connect on September 18, 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.*