Comparison

Device MI vs X

Price, ratings, monetisation and update history for both apps, side by side โ€” 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

X

Features
Read full description

X-FLAP gives you full control of your exhaust valve controller directly from your smartphone. Connect via Bluetooth and manage your valve settings with ease โ€” no complicated setup, no extra tools required. Valve Mode Control Switch between three modes instantly: ON โ€“ Valve stays open OFF โ€“ Valve stays closed NOR โ€“ Valve operates in normal factory behavior Startup Default Mode Choose what state your valve is in when you start your vehicle: Fixed to ON, OFF, or NOR Or resume the last state before your previous shutdown Custom Valve Threshold Settings Adjust the system value that determines when your valve opens or closes โ€” giving you precise control over your exhaust behavior without relying on automatic triggers. Real-Time Status Display Monitor your current valve state at a glance directly within the app. Simple Bluetooth Connection Pair your phone with the X-FLAP controller quickly and manage everything from one clean interface. X-FLAP is designed for drivers who want straightforward, reliable control over their exhaust system โ€” without unnecessary complexity.

Screenshots

Device MI3 screens
X4 screens

Verdict

The call

The clearest difference is update cadence: Device MI at every 2 days against X's every 9 days. Device MI also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท 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, X every 9 days. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

Scorecard3 real differences ยท 3 level
Device MI versus X: the parameters behind the verdict, then further details
ParameterDevice MIX
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS9.0 โ€” better17.0
Further details โ€” not scored
Size14 MB9 MB
Age rating4+4+
DeveloperFutureDial Inc.Auto jaw co ltd

In-app purchases

None

Device MI

No in-app purchases

None

X

No in-app purchases

Questions

Is Device MI free?
Device MI is free to download, with no in-app purchases.
Is X free?
X is free to download, with no in-app purchases.
Do Device MI or X have ads?
Neither Device MI nor X shows ads.
Which is updated more often, Device MI or X?
Device MI ships an update every 2 days, and X every 9 days. Most recently, Device MI was updated on September 13, 2026 and X on September 22, 2026.

Other comparisons