SigningCloud vs C.SIGN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SigningCloud
Digitally sign electronic documents remotely using any device with certificate-based digital signatures. Ensure non-repudiation through strong user authentication before signing.
- Remote server signing
- Certificate-based digital signatures
- Public Key Cryptography (PKC)
- Strong user authentication
- Non-repudiation assurance
- Sign on any computing device
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SigningCloud is a remote server signing application which allows an electronic document to be digitally signed using any computing device at the signer’s convenience. Digital signatures in SigningCloud are certificate-based, meaning that they are created using Public Key Cryptography (PKC). Non-repudiation is assured with the enforcement of strong user authentication before the private key belonging to a signer is used by SigningCloud to create digital signatures in an electronic document. Download the SigningCloud app today to start signing your documents on your iOS device. Register an account at the url below and start signing now https://my.signingcloud.com/signflat/login/login.jsp
C.SIGN
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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
Verdict
The clearest difference is update cadence: C.SIGN at every 2 weeks against SigningCloud's every 5 weeks. C.SIGN also leads on iOS requirement (13.0 vs 15.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SigningCloud ships an update every 5 weeks, C.SIGN every 2 weeks. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.
| Parameter | SigningCloud | C.SIGN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | SecureMetric Technology Sdn. Bhd. | CMC Technology and Solution Company Limited |
In-app purchases
SigningCloud
No in-app purchases
C.SIGN
No in-app purchases









