Comparison

FPT 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

FPT

This app acts as a smart security key for online services, enabling secure authorization and approval of document signings and transactions remotely via your mobile device. It utilizes two-factor authentication and advanced encryption for robust security.

Highlights
  • Secure remote authorization for document signing
  • Two-factor authentication via mobile device
  • Cryptographically protected authorization file
  • Biometric (Touch ID/Face ID) or PIN access
  • Server-side signing process integration
  • ID verification and selfie matching
  • Live selfie capture detection
Read full description

FPT-CA MPKI IS A SMART SECURITY KEY FOR ONLINE SERVICES. FPT-CA MPKI 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

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

FPT4 screens
C.SIGN4 screens

Verdict

The call

The clearest difference is update cadence: C.SIGN at every 2 weeks against FPT's every 2 months. 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

FPT ships an update every 2 months, C.SIGN every 2 weeks. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

Scorecard1 real difference ยท 7 level
FPT versus C.SIGN: the parameters behind the verdict, then further details
ParameterFPTC.SIGN
PriceFreeFree
Positive reviews8.3% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details โ€” not scored
Size160 MB162 MB
Age rating4+4+
DeveloperFPT IS Company LimitedCMC Technology and Solution Company Limited

In-app purchases

None

FPT

No in-app purchases

None

C.SIGN

No in-app purchases

Questions

Is FPT free?
FPT 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 FPT or C.SIGN have ads?
Neither FPT nor C.SIGN shows ads.
Which is updated more often, FPT or C.SIGN?
FPT ships an update every 2 months, and C.SIGN every 2 weeks. Most recently, FPT was updated on September 13, 2026 and C.SIGN on September 25, 2026.

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