# iSense Mobile vs OPTICHECK Temperature Mobile

The clearest difference is update cadence: iSense Mobile at fortnightly against OPTICHECK Temperature Mobile's every 4 months. OPTICHECK Temperature Mobile's advantage is iOS requirement (9.0 vs 12.1). On price, ads, in-app purchases and device support 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 ships an update fortnightly, OPTICHECK Temperature Mobile every 4 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | iSense Mobile | OPTICHECK Temperature Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isense-mobile/id954212861/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 19 MB | 59 MB |
| Requires iOS | 12.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| 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 Temperature Mobile

[App page](https://appshunter.io/ios/app/opticheck-temperature-mobile/id1485401520)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSense Mobile free?

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

### Is OPTICHECK Temperature Mobile free?

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

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

Neither iSense Mobile nor OPTICHECK Temperature Mobile shows ads.

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

iSense Mobile ships an update fortnightly, and OPTICHECK Temperature Mobile every 4 months. Most recently, iSense Mobile was updated on October 19, 2026 and OPTICHECK Temperature Mobile on October 19, 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.*