Comparison

Klemsan Device Reader vs ezModbus

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

Head to head
About

Klemsan Device Reader

Access real-time data from Klemsan devices with a specialized display for easier reading. Save critical data to your favorites for quick access.

Highlights
  • Instant access to device data
  • Favorite critical data
  • Specialized data display
  • Easy data reading
Features
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With this application;    * You can get Instant access to data of Klemsan devices,    * You can get your favorites to provide easy access to critical data,    * You can make it easier to read with special display of data.

About

ezModbus

Features
Currently charting
Read full description

Connect to industrial devices quickly and easily over direct WiFi communication (no middleware, no Internet needed). Fast and easy access to any Modbus devices. All setup is done and permanently saved on the phone for anytime immediate access. Add mobile connectivity quickly, easily and inexpensively yourself at any time. Ezmodbus is an easy to use Modbus app that lets you setup and save devices directly on your phone. Set up the device and the register map for text display directly on your phone and save the device and register map right on the phone for immediate and later use. All setup is permanently saved on the phone for convenient access at any time. Multiple options are provided to create the register maps for quick setup of multiple copies of the same or quick modification of similar devices. All setup is done right on the phone, no internet connection, downloads, or other apps are needed. Technical Specifications Modbus® Supported functions: Read Coil Read Analog Inputs Read Holding Registers Read Discrete Inputs Read multiple registers supported for long integers and floats. Data Formats supported: Unsigned Integer 16 bit Unsigned Integer 32 bit Signed Integer 16 bit Signed Integer 32 bit Float 32 bit (IEEE-754 floating point) Float 64 bit (IEEE-754 floating point) 32-bit ‘Modulus-10000’ Format (Schneider Electric ION) Unsigned char (8 bit), Most Significant Byte and Least Significant Byte Signed char (8 bit), Most Significant Byte and Least Significant Byte

Screenshots

Klemsan Device Reader4 screens
ezModbus4 screens

Verdict

The call

The clearest difference is price: Klemsan Device Reader at Free against ezModbus's $4.99. Klemsan Device Reader also leads on update cadence (every 9 days vs every 41 months) and iOS requirement (13.2 vs 17.0). ezModbus's advantage is chart position (#94 vs unranked). On ads, in-app purchases and device support 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

Klemsan Device Reader is free to download; ezModbus costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Klemsan Device Reader ships an update every 9 days, ezModbus every 41 months. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 5 level
Klemsan Device Reader versus ezModbus: the parameters behind the verdict, then further details
ParameterKlemsan Device ReaderezModbus
PriceFree — better$4.99
Positive reviews80.0% of reviews—
Update frequencyEvery 9 days — betterEvery 41 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank—#94 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.2 — better17.0
Further details — not scored
Size8 MB2 MB
Age rating4+4+
DeveloperKlemsan Elektrik Elektronik AÅžBitmakers LLC

In-app purchases

None

Klemsan Device Reader

No in-app purchases

None

ezModbus

No in-app purchases

Questions

Is Klemsan Device Reader free?
Klemsan Device Reader is free to download, with no in-app purchases.
Is ezModbus free?
ezModbus costs $4.99, with no in-app purchases.
Do Klemsan Device Reader or ezModbus have ads?
Neither Klemsan Device Reader nor ezModbus shows ads.
Which is updated more often, Klemsan Device Reader or ezModbus?
Klemsan Device Reader ships an update every 9 days, and ezModbus every 41 months. Most recently, Klemsan Device Reader was updated on October 5, 2026 and ezModbus on September 28, 2026.

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