Comparison

DeltaV CHARM DEWD vs ArcAir

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

ArcAir

This app facilitates the online monitoring and visualization of various sensor data for biotechnological processes. It allows wireless communication with multiple sensors simultaneously and provides central data management, reporting, and validation for sensor calibration and configuration, supporting GMP guidelines.

Highlights
  • Online sensor monitoring
  • Data visualization
  • Wireless sensor communication
  • Central data management
  • Sensor calibration validation
  • Paperless workflow support
Read full description

ArcAir is the app for Hamilton Arc sensors. It enables online monitoring and visualization of pH, dissolved oxygen, CO2, cell density, conductivity, and ORP sensors during biotechnological processes. With the ArcAir application, you can communicate wirelessly with up to 100 Arc sensors at the same time parallel to the process control system interface when an Arc Wi Bluetooth adapter is connected between the VP head of an Arc sensor and the VP sensor cable or the sensor has inbuilt Bluetooth functionality. Within the ArcAir application, Hamilton provides reporting and central data management of users, as well as validation reports for sensor calibration (excluding VCD sensors), verification, configuration, and communication. ArcAir embeds report’s electronic signatures, enabling paperless workflow. All of this complies with the GMP guidelines such as FDA CFR21 Part 11 or Eudralex Volume 4 Annex 11.

Screenshots

DeltaV CHARM DEWD4 screens
ArcAir1 screens

Verdict

The call

DeltaV CHARM DEWD and ArcAir both sit at 3.9 stars, but that hides the real split: 100% of ArcAir's written reviews are positive against 56% of DeltaV CHARM DEWD's. ArcAir also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). DeltaV CHARM DEWD's advantage is in-app purchases (none vs 2). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ArcAir sells 2 one-off in-app purchases. DeltaV CHARM DEWD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for DeltaV CHARM DEWD against 4.0 for ArcAir. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews are what separate them: 56% of DeltaV CHARM DEWD's written reviews are positive against 100% of ArcAir's.

UpkeepUpdate frequency

DeltaV CHARM DEWD ships an update every 4 months, ArcAir every 5 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
DeltaV CHARM DEWD versus ArcAir: the parameters behind the verdict, then further details
ParameterDeltaV CHARM DEWDArcAir
PriceFreeFree
Rating3.9 (15 ratings)4.0 (8 ratings) — better
Positive reviews55.6% of reviews100.0% of reviews — better
Number of ratings15 — better8
Update frequencyEvery 4 months — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size64 MB21 MB
Age rating4+4+
DeveloperEmerson Process ManagementHamilton AG

Customer experience

DeltaV CHARM DEWD

All ratings14 ratings
Positive78.6%
Neutral0.0%
Negative21.4%
Written reviews9 reviews
Positive55.6%
Neutral11.1%
Negative33.3%

ArcAir

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DeltaV CHARM DEWD

No in-app purchases

2 purchases

ArcAir

One-time2
  • ArcAir Basic VersionFree
  • ArcAir Advanced Version$199.99

Questions

Is DeltaV CHARM DEWD free?
DeltaV CHARM DEWD is free to download, with no in-app purchases.
Is ArcAir free?
ArcAir is free to download, with in-app purchases available.
Which has better reviews, DeltaV CHARM DEWD or ArcAir?
ArcAir is rated higher. DeltaV CHARM DEWD averages 3.9 out of 5 from 15 ratings, while ArcAir averages 4.0 from 8 ratings.
Do DeltaV CHARM DEWD or ArcAir have ads?
Neither DeltaV CHARM DEWD nor ArcAir shows ads.
Which is updated more often, DeltaV CHARM DEWD or ArcAir?
DeltaV CHARM DEWD ships an update every 4 months, and ArcAir every 5 months. Most recently, DeltaV CHARM DEWD was updated on October 23, 2026 and ArcAir on October 29, 2026.

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