# OPTICHECK Flow Mobile vs LevelTap™

The clearest difference is rating: LevelTap™ at 4.6 against OPTICHECK Flow Mobile's 4.0. LevelTap™ also leads on ratings volume (53 vs 2). 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.

LevelTap™ holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: LevelTap™ has 53 ratings behind it against 2, so its average is the more settled of the two.

OPTICHECK Flow Mobile ships an update every 3 months, LevelTap™ every 2 months. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | OPTICHECK Flow Mobile | LevelTap™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/opticheck-flow-mobile/id1476806101/reviews) | **[4.6 (53 ratings)](https://appshunter.io/ios/app/leveltap/id1565026204/reviews)** |
| Number of ratings | 2 | **53** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 359 MB | 91 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) | [Flowline, Inc](https://appshunter.io/developer/1565026416) |

## 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


### LevelTap™

[App page](https://appshunter.io/ios/app/leveltap/id1565026204)

Wirelessly configure and monitor compatible Flowline sensors from a safe distance using Bluetooth. Access diagnostic tools and view process information. Explore demo sensors and configuration examples before purchasing.

**Highlights:** Wireless sensor configuration, View level and flow process information, Access diagnostic tools, Secure Bluetooth connection, Demo sensor exploration, Configuration examples

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

**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 LevelTap™ free?

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

### Which has better reviews, OPTICHECK Flow Mobile or LevelTap™?

LevelTap™ is rated higher. OPTICHECK Flow Mobile averages 4.0 out of 5 from 2 ratings, while LevelTap™ averages 4.6 from 53 ratings.

### Do OPTICHECK Flow Mobile or LevelTap™ have ads?

Neither OPTICHECK Flow Mobile nor LevelTap™ shows ads.

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

OPTICHECK Flow Mobile ships an update every 3 months, and LevelTap™ every 2 months. Most recently, OPTICHECK Flow Mobile was updated on September 23, 2026 and LevelTap™ on September 14, 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.*