Comparison

MATCO TOOLS vs GR Demo

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

Head to head
About

MATCO TOOLS

Features
Read full description

The Matco Tools SmartEAR2 Sound & Vibration Detection app was developed to help assist the service technician in locating and finding defective or worn parts in automobiles, heavy machinery or industrial equipment where vibration, rattles, squeaks and grinding sounds would be associated making the task very difficult or impossible to diagnose. When used with our specially designed hardware kits your smartphone will be transformed into a state of the art Sound & Vibration Detection Technicians Tool, allowing for ease of locating and finding those troubled areas. NOTE: Additional hardware is required to use this app. For information on how to purchase hardware please contact your local Matco Tools Distributor or call 1-866-BUY-TOOL**** Features: User friendly interface and intuitive operation. Sound level reading displays average, peak and real-time values. Sound level readings are displayed in either Analog or Digital. Analog and Digital readings have 2 display panels the user can choose from. Analog Meter or Analog Wave-Form. Digital Numeric or Digital Bar Graph. Background sound off-setting, sample rates, decibel off-setting can be manually be set. Reset/Refresh buttons reset/refresh values to default settings. Sound Level Reading Sampling Rate Decibel Off-set Master Volume Control User information guide includes informative facts about sound perception and permissible noise level exposure as well as a sound level comparison reference chart. Additional Information: Required: Any iOS device running iOS5.0+. Recommended: iPhone 4 and newer/ iPod Touch 4 and newer. Compatible: iPad 2 and newer.

About

GR Demo

Features
Read full description

GR Demo是一款方便快捷的产品演示辅助工具,主要内容为多款简易的应用demo合集,可连接Gemred团队开发的多款产品并简单演示其无线连接、数据传输等核心功能,帮助相关人员更直观地讲解产品亮点。 GR Demo is a handy product demonstration auxiliary tool, and its main content is a collection of various simple application demos. GR Demo can connect to various products developed by the GemRed team and demonstrate their core functions such as wireless connection and data transmission, helping people explain product highlights intuitively.

Screenshots

MATCO TOOLS4 screens
GR Demo4 screens

Verdict

The call

The clearest difference is update cadence: GR Demo at every 6 weeks against MATCO TOOLS's every 6 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

MATCO TOOLS ships an update every 6 months, GR Demo every 6 weeks. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

Scorecard1 real difference · 5 level
MATCO TOOLS versus GR Demo: the parameters behind the verdict, then further details
ParameterMATCO TOOLSGR Demo
PriceFreeFree
Update frequencyEvery 6 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size10 MB29 MB
Age rating4+4+
DeveloperJS Products, Inc.GemRed

In-app purchases

None

MATCO TOOLS

No in-app purchases

None

GR Demo

No in-app purchases

Questions

Is MATCO TOOLS free?
MATCO TOOLS is free to download, with no in-app purchases.
Is GR Demo free?
GR Demo is free to download, with no in-app purchases.
Do MATCO TOOLS or GR Demo have ads?
Neither MATCO TOOLS nor GR Demo shows ads.
Which is updated more often, MATCO TOOLS or GR Demo?
MATCO TOOLS ships an update every 6 months, and GR Demo every 6 weeks. Most recently, MATCO TOOLS was updated on September 24, 2026 and GR Demo on September 13, 2026.

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