DeltaV CHARM DEWD vs OPTICHECK Flow Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeltaV CHARM DEWD
Diagnose and wire DeltaV CHARMs using your mobile device's camera. Scan CHARM LEDs to understand blink patterns or scan labels for wiring diagrams. Quickly access information, save favorites, add notes, and share with colleagues.
- Scan CHARM LED blink patterns
- Scan CHARM labels for text recognition
- Instantly understand blink pattern meanings
- Swiftly find associated wiring diagrams
- Browse and search for results
- Store results as Favorites
- Create or edit Notes
- Share information with colleagues
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The DEWD abides helping you diagnose and wire DeltaV CHARMs. Using the camera on your mobile device, intuitively scan the CHARM LED to instantly understand the meaning of the blink pattern or scan the CHARM Label for text recognition to swiftly find the associated wiring diagram. You can quickly understand why a CHARM LED is flashing or efficiently view a CHARM’s wiring diagram. You can also browse or search for results instead of scanning. For any given result, you can store it as a Favorite, Create or Edit (existing) Notes, or Share in context with a colleague.
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.
Screenshots
Verdict
The clearest difference is ratings volume: DeltaV CHARM DEWD at 14 against OPTICHECK Flow Mobile's 2. On price, rating, 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.
On the App Store both sit at effectively the same score — 4.1 for DeltaV CHARM DEWD against 4.0 for OPTICHECK Flow Mobile. That said, the two scores are not equally well evidenced: DeltaV CHARM DEWD has 14 ratings behind it against 2, so its average is the more settled of the two.
DeltaV CHARM DEWD ships an update every 4 months, OPTICHECK Flow Mobile every 3 months. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.
| Parameter | DeltaV CHARM DEWD | OPTICHECK Flow Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (14 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 14 — better | 2 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 64 MB | 359 MB |
| Age rating | 4+ | 4+ |
| Developer | Emerson Process Management | KROHNE Messtechnik GmbH |
Customer experience
DeltaV CHARM DEWD
OPTICHECK Flow Mobile
In-app purchases
DeltaV CHARM DEWD
No in-app purchases
OPTICHECK Flow Mobile
No in-app purchases
Questions
Is DeltaV CHARM DEWD free?
Is OPTICHECK Flow Mobile free?
Which has better reviews, DeltaV CHARM DEWD or OPTICHECK Flow Mobile?
Do DeltaV CHARM DEWD or OPTICHECK Flow Mobile have ads?
Which is updated more often, DeltaV CHARM DEWD or OPTICHECK Flow Mobile?
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