Comparison

CoChecker vs MK Button

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

Head to head

CoChecker

Free

🔧 Utilities

★ 2.73 ratingsView app →

About

CoChecker

This utility app transmits data through your device's audio jack. It is currently compatible with select high-end devices.

Highlights

Data transmission via audio jack
Compatible with select devices
Utility function

Features

Read full description

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

About

MK Button

Features

Read full description

This app was designed for MOKO BUTTON product and users can realize below functions through this app: 1. Basic advertisement parameters configuration. 2. Alarm functions configuration and remote control with buzzer/motor/LED. 3. Basic information review.

Screenshots

CoChecker3 screens

MK Button4 screens

Verdict

The call

The clearest difference is update cadence: CoChecker at every 3 weeks against MK Button's every 11 months. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CoChecker ships an update every 3 weeks, MK Button every 11 months. The most recent releases landed on August 8, 2026 and March 11, 2026 respectively.

Scorecard1 real difference · 9 level

CoChecker versus MK Button: the parameters behind the verdict, then further details
Parameter	CoChecker	MK Button
Price	Free	Free
Rating	2.7 (3 ratings) — better	—
Positive reviews	50.0% of reviews	—
Number of ratings	3 — better	—
Update frequency	Every 3 weeks — better	Every 11 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0	12.0
Further details — not scored
Size	4 MB	18 MB
Age rating	4+	4+
Developer	Kane Asia Inc.	Moko Technology Ltd

In-app purchases

None

CoChecker

No in-app purchases

None

MK Button

No in-app purchases

Questions

Is CoChecker free?

CoChecker is free to download, with no in-app purchases.

Is MK Button free?

MK Button is free to download, with no in-app purchases.

Do CoChecker or MK Button have ads?

Neither CoChecker nor MK Button shows ads.

Which is updated more often, CoChecker or MK Button?

CoChecker ships an update every 3 weeks, and MK Button every 11 months. Most recently, CoChecker was updated on August 8, 2026 and MK Button on March 11, 2026.