Comparison

Device MI vs C.SIGN

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

C.SIGN

Features
Read full description

C.SIGN IS A SMART SECURITY KEY FOR ONLINE SERVICES. C.SIGN GIVES USERS THE ABILITY TO SECURELY AUTHORIZE AND APPROVE THE SIGNING OF DOCUMENTS OR TRANSACTIONS. RELYING PARTY CAN TRIGGER THE SIGNING PROCESS AND USERS CAN AUTHORIZE THIS REMOTELY FROM THEIR MOBILE DEVICE USING TWO-FACTOR AUTHENTICATION KEY FEATURES: - ASSIST IN ARCHIVING EU EIDAS QUALIFIED REMOTE SIGNING (TS 419 241 LEVEL 2 SOLE CONTROL) FOR SERVER-SIDE SIGNING - AUTOMATICALLY LOAD AUTHORIZATION REQUESTS TO NOTIFY USERS - CRYPTOGRAPHICALLY PROTECTED AUTHORIZATION FILE THAT HOLDS THE SIGNATURE ACTIVATION DATA - AUTHENTICATE USING TOUCHID, FACEID OR PIN CODE TO ACCESS AUTHORIZATION KEY - WORKS WITH ANY SERVER-SIDE SIGNING PROCESS SIMPLICITY: - INTUITIVE AND EASY TO USE FOR NON-TECHNICAL USERS - ALLOW USERS TO APPROVE PENDING AUTHORIZATION REQUESTS QUICKLY AND REMOTELY - ALLOW ORGANIZATIONS TO CONNECT WITH THEIR OWN HOSTED SERVERS ADVANCED SECURITY: - GENERATION OF AUTHORIZATION KEY USING RSA ALGORITHM - KEYS STORED IN SECURE ENCLAVE OF MOBILE DEVICE AND LOCKED WITH TOUCHID/FACEID OR PIN CODE - AES 256-BIT ENCRYPTION OVER TLS/SSL - TOUCHID, FACEID OR PIN CODE FOR UNBLOCKING ACCESS TO THE SECURE ENCLAVE TRACEABILITY: - SIGNING EVIDENCE EMBEDDED INSIDE THE DIGITALLY SIGNED AUTHORIZATION RESPONSE UTILITIES: - ALLOWED THE CUSTOMER ONBOARDING EASIER - CHECK THE VALID IMAGES OF AN ID AND EXTRACT INFORMATION FROM PHOTO OF AN ID - CHECK FOR A MATCH BETWEEN A SELFIE AND AN ID. CHECK IF A SELFIE IS CAPTURED LIVE AND NOT FABRICATED - CHECK FOR A VALID SELFIE. CHECK IF A FACE EXISTS IN RECORDS

Screenshots

Device MI3 screens
C.SIGN4 screens

Verdict

The call

The clearest difference is update cadence: Device MI at every 2 days against C.SIGN's every 2 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 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, C.SIGN every 2 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard2 real differences ยท 4 level
Device MI versus C.SIGN: the parameters behind the verdict, then further details
ParameterDevice MIC.SIGN
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 โ€” better13.0
Further details โ€” not scored
Size14 MB162 MB
Age rating4+4+
DeveloperFutureDial Inc.CMC Technology and Solution Company Limited

In-app purchases

None

Device MI

No in-app purchases

None

C.SIGN

No in-app purchases

Questions

Is Device MI free?
Device MI is free to download, with no in-app purchases.
Is C.SIGN free?
C.SIGN is free to download, with no in-app purchases.
Do Device MI or C.SIGN have ads?
Neither Device MI nor C.SIGN shows ads.
Which is updated more often, Device MI or C.SIGN?
Device MI ships an update every 2 days, and C.SIGN every 2 weeks. Most recently, Device MI was updated on November 11, 2026 and C.SIGN on November 3, 2026.

Other comparisons