Comparison

Device MI vs QMaxs

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

Head to head

About

Device MI

Features

Read full description

Testing for triage and grading of devices made easy, quick and accurate.

About

QMaxs

Features

Read full description

TESTCOO was established in 2015, industry’s first “Internet Plus Inspection” third party service platform. With aim to serve global demand of quality assurance, Testcoo provides inspection, testing, certification and audit services to “Sell Global” and “Buy Global” customers. With its innovative tools, optimum quality guarantees and low-cost prices, Testcoo changes the traditional inspection business model, reshapes the industry’s ecosystem and ignite the new era of e-inspection. Contact Us Feedbacks: service@testcoo.com Customer service: +8618038155583 Website: www.testcoo.com

Screenshots

Device MI3 screens

QMaxs3 screens

Verdict

The call

The clearest difference is update cadence: Device MI at every 2 days against QMaxs's every 6 weeks. Device MI also leads on iOS requirement (9.0 vs 13.0). 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

Device MI ships an update every 2 days, QMaxs every 6 weeks. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 4 level

Device MI versus QMaxs: the parameters behind the verdict, then further details
Parameter	Device MI	QMaxs
Price	Free	Free
Update frequency	Every 2 days — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	13.0
Further details — not scored
Size	14 MB	69 MB
Age rating	4+	4+
Developer	FutureDial Inc.	Ningbo Jialian Network Technology Co., Ltd.

In-app purchases

None

Device MI

No in-app purchases

None

QMaxs

No in-app purchases

Questions

Is Device MI free?

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

Is QMaxs free?

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

Do Device MI or QMaxs have ads?

Neither Device MI nor QMaxs shows ads.

Which is updated more often, Device MI or QMaxs?

Device MI ships an update every 2 days, and QMaxs every 6 weeks. Most recently, Device MI was updated on September 13, 2026 and QMaxs on September 10, 2026.