DeltaV CHARM DEWD vs OPTICHECK Temperature 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 Temperature Mobile
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OPTICHECK Temperature Mobile is a great tool for people working with service and maintenance as it provides a quick health check of your process. - User friendly interface Optimized interface for smartphones and tablets for an easy and convenient configuration - Copy and save time Copy and paste a configuration to as many transmitters as you like without making any changes and it only takes seconds. - Live Monitoring The live monitoring and diagnostics in OPTICHECK Temperature Mobile makes it possible to follow the process temperature in real time. - Get full control of your process In the app you can see the ambient temperature and supply voltage the transmitter has been exposed to. This allows you to detect peaks that could damage the process control. - Additional product information Quick links to each product page for extra information about the transmitter.
Screenshots
Verdict
The clearest difference is device support: OPTICHECK Temperature Mobile at 3 against DeltaV CHARM DEWD's 1. OPTICHECK Temperature Mobile also leads on iOS requirement (9.0 vs 16.0). On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.
| Parameter | DeltaV CHARM DEWD | OPTICHECK Temperature Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (15 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Emerson Process Management | KROHNE Messtechnik GmbH |
In-app purchases
DeltaV CHARM DEWD
No in-app purchases
OPTICHECK Temperature Mobile
No in-app purchases
Questions
Is DeltaV CHARM DEWD free?
Is OPTICHECK Temperature Mobile free?
Do DeltaV CHARM DEWD or OPTICHECK Temperature Mobile have ads?
Which is updated more often, DeltaV CHARM DEWD or OPTICHECK Temperature Mobile?
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