Data Leek vs C.SIGN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Data Leek
Check if your email addresses or passwords have been compromised in online data breaches. Receive timely notifications to stay informed about potential security risks. The app supports offline access and multiple languages.
- Check email breaches
- Check password breaches
- Breach notifications
- Dark Mode
- Offline access
- Multi-language support
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This app allows you to check if your emails or passwords have been leaked in a data breach on the internet and activate notifications to stay up-to-date. Features * Check if your emails have been breached * Check if your passwords have been breached * Notifications * Dark Mode * Offline access * iPad support * Multiple languages (French, Russian, German) Would you like a specific feature? Do not hesitate to send an email to contact@devrush.fr! Thanks to haveibeenpwned.com by Troy Hunt for the data provided. Data Leek is not affiliated with haveIbeenpwned.com. Since this application only searches the results hosted by haveibeenpwned.com. If the app returns no results for a particular email, it could have been exposed in the database breach that is not present in the "Have I been pwned?" database. You can find our privacy policy with the following link https://dataleek.devrush.fr/privacyPolicy.html
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 ads: C.SIGN at none against Data Leek's shown. C.SIGN also leads on update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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.
Data Leek ships an update every 3 months, C.SIGN every 2 weeks. Both last shipped on October 24, 2026.
| Parameter | Data Leek | C.SIGN |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (13 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 39 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Devrush | CMC Technology and Solution Company Limited |
In-app purchases
Data Leek
No in-app purchases
C.SIGN
No in-app purchases









