# ModComm: Peek & Poke

> Modbus communication app for reading and writing device data. (iPhone/iPad app by Kei Sakaguchi.)

- Source: https://appshunter.io/ios/app/modcomm-peek-and-poke/id1080839258 (this page in markdown: same URL + `.md`)
- Developer: [Kei Sakaguchi](https://appshunter.io/developer/1010525113)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 11 MB
- Languages: English
- Released: 2016-02-05
- Data updated: 2026-08-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/modcomm-peek-and-poke/id1080839258/reviews.md

## What is ModComm?

ModComm: Peek & Poke is a simple yet powerful Modbus communication app. Simply setup a device with IP address/port and you are set to start reading and writing various formats of data.

## Key features

- Modbus communication
- Device setup with IP address/port
- Read data
- Write data
- Supports various data formats

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/modcomm-peek-and-poke/id1080839258/reviews.md

### 3/5 — Nice

*2024-10-16*

It works. Although I was never able to switch from little endian to big endian. But hey no one is perfect.

### 3/5 — No float support

*2021-12-30*

App works well, but does it seem to support floats. Otherwise good.

### 1/5 — You can‘t input an IP adress

*2021-11-19*

You can‘t write an IP adress because you‘re currently writing 192,123,2,1 instead of 192.123.2.1 - if this is an ios problem, the app haven‘t been updated since years! Avoid it!

### 5/5 — Nice little tool

*2021-02-18*

Nice little tool to read snd write values from:to a modbus device.
Good representation of the data.
Advanced features would be nice, such as Ascii conversion or 32bit and customized data read with labeling.
But no complains, it is for free and works! 
Thank you!

### 5/5 — This MODBUS client works great!

*2019-06-14*

Simple to use and works as expected. I was able to develope a bunch of Arduino MODBUS IP servers and prove them quickly.

### 5/5 — Great!

*2016-04-15*

Neat little program. Works great with very little input or knowledge required

## Frequently asked questions about ModComm

### What is ModComm: Peek & Poke used for?

ModComm: Peek & Poke is a utility app designed for establishing Modbus communication with devices. It allows you to read and write various data formats by configuring the device's IP address and port.

### What devices does ModComm: Peek & Poke support?

ModComm: Peek & Poke is available for iPhone and iPod devices. It is designed to work with devices that support Modbus communication protocols.

### How do I set up a device in ModComm: Peek & Poke?

Setting up a device is straightforward. You simply need to enter the device's IP address and port number within the app to begin communication.

### What kind of data can I read and write with ModComm: Peek & Poke?

The app allows you to read and write data in various formats. Specific data types depend on the capabilities of the connected Modbus device.

### Is ModComm: Peek & Poke free to use?

Yes, ModComm: Peek & Poke is available for free. There are no in-app purchases or advertisements associated with this application.

### How often is ModComm: Peek & Poke updated?

The app was last updated on February 16, 2016, with version 1.2. It was initially released on February 5, 2016.

### What is the age rating for ModComm: Peek & Poke?

ModComm: Peek & Poke has an age rating of 4+. This indicates it is suitable for users of all ages.

### What is the user feedback on ModComm: Peek & Poke?

ModComm: Peek & Poke has an average rating of 4.0 stars from 8 ratings, suggesting generally positive user sentiment.

## Version history (last 3 releases)

### 1.2 — 2016-02-16

This app has been updated by Apple to display the Apple Watch app icon.

Fixed few graphical issues.

### 1.1 — 2016-02-10

Fixed few bugs.

### 1.0 — 2016-02-05

No release notes.

## Apps similar to ModComm

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| --- | --- | --- | --- |
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## More apps by Kei Sakaguchi

- [Simple QR Scan](https://appshunter.io/ios/app/simple-qr-scan/id1076044933)

All apps by Kei Sakaguchi: https://appshunter.io/developer/1010525113

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*