Klemsan Device Reader vs ezModbus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Instant access to device data
- Favorite critical data
- Specialized data display
- Easy data reading
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With this application; Â Â * You can get Instant access to data of Klemsan devices, Â Â * You can get your favorites to provide easy access to critical data, Â Â * You can make it easier to read with special display of data.
ezModbus
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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
Verdict
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
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.
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.
| Parameter | Klemsan Device Reader | ezModbus |
|---|---|---|
| Price | Free — better | $4.99 |
| Positive reviews | 80.0% of reviews | — |
| Update frequency | Every 9 days — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | — | #94 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Klemsan Elektrik Elektronik AÅž | Bitmakers LLC |
In-app purchases
Klemsan Device Reader
No in-app purchases
ezModbus
No in-app purchases
Questions
Is Klemsan Device Reader free?
Is ezModbus free?
Do Klemsan Device Reader or ezModbus have ads?
Which is updated more often, Klemsan Device Reader or ezModbus?
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