# OPTICHECK Flow Mobile vs SoloCUE

OPTICHECK Flow Mobile and SoloCUE are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 4.0 for OPTICHECK Flow Mobile against 4.0 for SoloCUE. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

OPTICHECK Flow Mobile ships an update every 3 months, SoloCUE every 5 months. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OPTICHECK Flow Mobile | SoloCUE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/opticheck-flow-mobile/id1476806101/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/solocue/id6449558813/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 359 MB | 71 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) | [Badger Meter, Inc.](https://appshunter.io/developer/1175068022) |

## What reviewers say

### OPTICHECK Flow Mobile

[App page](https://appshunter.io/ios/app/opticheck-flow-mobile/id1476806101)

This utility app facilitates the wireless setup, verification, and ongoing monitoring of specific KROHNE flow meters. It enables secure Bluetooth® connectivity for device configuration and performance checks without interrupting ongoing measurements.

**Highlights:** Wireless device commissioning, Device parameterization via Bluetooth®, Verification without measurement interruption, Monitoring of meter performance, Monitoring of application parameters

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

**In-app purchases:** none


### SoloCUE

[App page](https://appshunter.io/ios/app/solocue/id6449558813)

This app enables service technicians to remotely monitor, set up, and diagnose specific ultrasonic flow and thermal energy meters. It allows for saving and sharing meter configurations via Bluetooth connection. Requires a mobile device with Bluetooth 4.2 or later.

**Highlights:** Monitor ultrasonic flow meters, Setup meter configurations, Diagnose meter issues, Save and share meter settings, Bluetooth connectivity, Compatible with specific Dynasonics meters

**In-app purchases:** none


## Frequently asked questions

### Is OPTICHECK Flow Mobile free?

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

### Is SoloCUE free?

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

### Which has better reviews, OPTICHECK Flow Mobile or SoloCUE?

OPTICHECK Flow Mobile and SoloCUE are both rated 4.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do OPTICHECK Flow Mobile or SoloCUE have ads?

Neither OPTICHECK Flow Mobile nor SoloCUE shows ads.

### Which is updated more often, OPTICHECK Flow Mobile or SoloCUE?

OPTICHECK Flow Mobile ships an update every 3 months, and SoloCUE every 5 months. Most recently, OPTICHECK Flow Mobile was updated on September 23, 2026 and SoloCUE on September 17, 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.*