OPTICHECK Flow Mobile vs S4C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPTICHECK Flow Mobile
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.
- Wireless device commissioning
- Device parameterization via Bluetooth®
- Verification without measurement interruption
- Monitoring of meter performance
- Monitoring of application parameters
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Mobile app for wireless device commissioning, verification, and monitoring of KROHNE OPTIMASS devices. OPTICHECK Flow Mobile is part of myDevice, KROHNE’s new suite of Smart Service Tools. OPTICHECK Flow Mobile features: • Wireless commissioning and device parametrisation via secure Bluetooth® connection • Verification without measurement interruption • Monitoring of meter performance and application parameters OPTICHECK Flow Mobile works with the new OPTIMASS Coriolis mass flowmeters from KROHNE.
S4C
This utility app allows users to configure a specific ultrasonic sensor model. It provides real-time data visualization from the connected sensors, aiding in setup and monitoring.
- Configure ultrasonic sensor S461
- View real-time sensor data
- Sensor monitoring
- US configuration
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Configure ultrasonic sensor S461. View real-time data of sensors.
Screenshots
Verdict
The clearest difference is rating: OPTICHECK Flow Mobile at 4.0 against S4C's 1.0. S4C's advantage is iOS requirement (11.0 vs 16.4). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OPTICHECK Flow Mobile holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
OPTICHECK Flow Mobile ships an update every 3 months, S4C every 2 months. The most recent releases landed on September 23, 2026 and June 4, 2026 respectively.
| Parameter | OPTICHECK Flow Mobile | S4C |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 359 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | KROHNE Messtechnik GmbH | SUTO iTEC (China) Co. Ltd |
Customer experience
OPTICHECK Flow Mobile
S4C
In-app purchases
OPTICHECK Flow Mobile
No in-app purchases
S4C
No in-app purchases
Questions
Is OPTICHECK Flow Mobile free?
Is S4C free?
Which has better reviews, OPTICHECK Flow Mobile or S4C?
Do OPTICHECK Flow Mobile or S4C have ads?
Which is updated more often, OPTICHECK Flow Mobile or S4C?
Other comparisons
