# CoChecker

> Audio jack data transmitter for compatible mobile devices. (iPhone/iPad app by Kane Asia Inc..)

- Source: https://appshunter.io/ios/app/cochecker/id1048961367 (this page in markdown: same URL + `.md`)
- Developer: [Kane Asia Inc.](https://appshunter.io/developer/1542732944)
- Category: Utilities
- Price: Free
- Rating: 2.70/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 4 MB
- Languages: American English, French (France), Korean, Chinese (Simplified, China), European Spanish
- Released: 2015-12-15
- Data updated: 2026-08-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cochecker/id1048961367/reviews.md

## What is CoChecker?

The “Co Checker” transmits the data via audio jack. Currently, this App is able to use on Finest Device.

## Key features

- Data transmission via audio jack
- Compatible with select devices
- Utility function

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/cochecker/id1048961367/reviews.md

### 5/5 — Does not work

*2019-09-23, version 1.8.5*

I'm having the same problems I plug it in and does not work I tried restarting my phone and also deleted the app and tried to install it again but nothing

### 1/5 — Keeps crashing

*2017-02-25, version 1.5.0*

First the "Identifying the device . . . Plug the device and wait NEVER goes away! Then clicking on most of the buttons causes it to crash! This renders this important tool TOTALLY USELESS AND A WASTE OF $! I'm going to report this to the device manufacturer as well because their tool does not play well with this app.

## Frequently asked questions about CoChecker

### What is CoChecker used for?

CoChecker is a utility app designed to transmit data through your device's audio jack. It is intended for use with specific compatible mobile devices.

### What devices are compatible with CoChecker?

The app description states that CoChecker is currently able to be used on 'Finest Device'. Specific model compatibility is not detailed, but it supports iPhone, iPad, and iPod.

### Is CoChecker free to download?

Yes, CoChecker is available for free download. There are no in-app purchases or subscriptions associated with this application.

### How often is CoChecker updated?

The latest version of CoChecker is 1.9.6, last updated on December 16, 2025. This indicates a recent update, though historical update frequency is not provided.

### What is the age rating for CoChecker?

CoChecker has an age rating of 4+, making it suitable for a wide range of users.

### Does CoChecker have ads?

No, CoChecker does not contain advertisements. The application is free and does not include any ads.

### What is the user rating for CoChecker?

CoChecker has a current rating of 2.7 stars based on 3 user ratings.

## Version history (last 5 releases)

### 1.9.7 — 2026-08-08

Bug Fixed

### 1.9.6 — 2025-12-16

• Added guidance for devices without headphone jack (iPhone 7 and later) - Lightning to 3.5mm adapter required
• Stability improvements

### 1.9.5 — 2022-09-15

It fixed some bugs.

### 1.8.5 — 2017-10-11

It supports on-line manual.

### 1.8.0 — 2017-09-17

It changed app's icon and background image.

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All apps by Kane Asia Inc.: https://appshunter.io/developer/1542732944

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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 2026-08-08.*