Comparison

Flow Rate Converter vs DeltaV CHARM DEWD

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

Head to head
About

Flow Rate Converter

This utility app calculates flow rates in milliliters per hour based on substance concentration and dosage. It can also determine the required dosage for a set flow rate. Features a user-friendly interface and an iPad widget for quick calculations.

Highlights
  • Calculate flow rate in ml/h
  • Determine required dosage
  • User-friendly Picker interface
  • iPad widget for quick access
  • Specialized for concentration and dosage
Features
Read full description

Flow Rate Converter is a specialized tool designed to calculate the rate of flow in milliliters per hour, given the concentration of a substance at a specific dosage. Furthermore, it possesses the capability to determine the dosage required at a predetermined flow rate. The user-friendly Picker interface ensures seamless operation, and the Widget on iPad makes it even easier to calculate flow rates.

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.

Screenshots

Flow Rate Converter4 screens
DeltaV CHARM DEWD4 screens

Verdict

The call

The clearest difference is price: DeltaV CHARM DEWD at Free against Flow Rate Converter's $0.99. DeltaV CHARM DEWD also leads on ratings volume (15 vs 1). Flow Rate Converter's advantage is review sentiment (100% vs 56%) and rating (5.0 vs 3.9). On update cadence, ads, in-app purchases and iOS requirement 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

DeltaV CHARM DEWD is free to download; Flow Rate Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Flow Rate Converter holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: DeltaV CHARM DEWD has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Flow Rate Converter's written reviews are positive against 56% of DeltaV CHARM DEWD's.

UpkeepUpdate frequency

Flow Rate Converter ships an update every 7 months, DeltaV CHARM DEWD every 4 months. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.

Scorecard6 real differences · 4 level
Flow Rate Converter versus DeltaV CHARM DEWD: the parameters behind the verdict, then further details
ParameterFlow Rate ConverterDeltaV CHARM DEWD
Price$0.99Free — better
Rating5.0 (1 ratings) — better3.9 (15 ratings)
Positive reviews100.0% of reviews — better55.6% of reviews
Number of ratings115 — better
Update frequencyEvery 7 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size6 MB64 MB
Age rating4+4+
DeveloperJohan van der VyverEmerson Process Management

Customer experience

Flow Rate Converter

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DeltaV CHARM DEWD

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

In-app purchases

None

Flow Rate Converter

No in-app purchases

None

DeltaV CHARM DEWD

No in-app purchases

Questions

Is Flow Rate Converter free?
Flow Rate Converter costs $0.99, with no in-app purchases.
Is DeltaV CHARM DEWD free?
DeltaV CHARM DEWD is free to download, with no in-app purchases.
Which has better reviews, Flow Rate Converter or DeltaV CHARM DEWD?
Flow Rate Converter is rated higher. Flow Rate Converter averages 5.0 out of 5 from 1 ratings, while DeltaV CHARM DEWD averages 3.9 from 15 ratings.
Do Flow Rate Converter or DeltaV CHARM DEWD have ads?
Neither Flow Rate Converter nor DeltaV CHARM DEWD shows ads.
Which is updated more often, Flow Rate Converter or DeltaV CHARM DEWD?
Flow Rate Converter ships an update every 7 months, and DeltaV CHARM DEWD every 4 months. Most recently, Flow Rate Converter was updated on October 19, 2026 and DeltaV CHARM DEWD on October 23, 2026.

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