# iSense Mobile vs OPTICHECK Flow Mobile

The clearest difference is rating: iSense Mobile at 5.0 against OPTICHECK Flow Mobile's 4.0. iSense Mobile also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (12.1 vs 16.4). 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.

iSense Mobile holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

iSense Mobile ships an update fortnightly, OPTICHECK Flow Mobile every 3 months. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iSense Mobile | OPTICHECK Flow Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isense-mobile/id954212861/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/opticheck-flow-mobile/id1476806101/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 19 MB | 361 MB |
| Requires iOS | **12.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mettler-Toledo International Inc.](https://appshunter.io/developer/511332281) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## What reviewers say

### iSense Mobile

[App page](https://appshunter.io/ios/app/isense-mobile/id954212861)

Connect and monitor Mettler Toledo ISM sensors from your iOS device. View diagnostic data, perform calibrations, and log measurements. Export data via CSV and send sensor information via email.

**Highlights:** ISM sensor connection (iLink, J-Box, M100), Diagnostic data monitoring (slope, offset, DLI), One-point, process, and scaling calibration, Live measurement display, Data logging and CSV export, Email sensor diagnostic information

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iSense Mobile free?

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

### Is OPTICHECK Flow Mobile free?

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

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

iSense Mobile is rated higher. iSense Mobile averages 5.0 out of 5 from 1 ratings, while OPTICHECK Flow Mobile averages 4.0 from 2 ratings.

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

Neither iSense Mobile nor OPTICHECK Flow Mobile shows ads.

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

iSense Mobile ships an update fortnightly, and OPTICHECK Flow Mobile every 3 months. Most recently, iSense Mobile was updated on October 19, 2026 and OPTICHECK Flow Mobile on October 13, 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.*