# \[e-Security\] > Sign, seal, and verify documents, emails, and messages you can trust. Canonical page: [https://chrome-stats.com/d/bio.esecurity.esignapp](https://chrome-stats.com/d/bio.esecurity.esignapp) ## Overview - **ID:** `bio.esecurity.esignapp` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** e-Security EvoLegacy AI & BIO Solutions Lda - **Category:** BUSINESS - **Downloads:** 16 - **Version:** 1.6.1 - **Last updated:** 2026-08-31 - **First published:** 2026-02-24 - **Publisher country:** PT - **Size:** 95 MB - **Data as of:** 2026-09-07 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=bio.esecurity.esignapp) - **Website:** [https://e-security.io](https://e-security.io/) - **Privacy policy:** [https://e-security.bio/security/privacy](https://e-security.bio/security/privacy) ## Description Restore Digital Trust in the AI Era

[e-Security] We make critical information verifiable anywhere, anytime, in any format, even after it is printed. From screen to paper.

THE PROBLEM

Last year, fraud cost the world an estimated $442 billion. We're living in an AI-dominated era, where emails, documents, and even identities can be forged in seconds.

An email asking you to pay. A text message claiming your bank account has been compromised. A message from an unknown number pretending to be your child, asking for urgent help. You know that feeling?

Most people don't understand e-signatures or digital certificates. That's the gap. But everyone knows how to use a phone, scan a QR code, or take a photo.

Backed by 29 patent-pending applications filed in the EU, we built a new standard: any document, digital or printed, verifiable by anyone, anywhere, in seconds. We don't replace what already works, like DocuSign or qualified digital certificates. We amplify them. This isn't a concept — you can test it right now.

OUR SOLUTION

[e-Security] connects AI, biometrics, and blockchain to build Digital Trust Infrastructure for financial, legal, governmental, and enterprise ecosystems, enabling real-time authentication of documents, emails, messages, payment instructions, and digital assets — even after printing.

KEY FEATURES

[e-Security.DocSign] — Secures contracts and documents, digital or printed, with biometric signing and blockchain anchoring.
[e-Security.MailSign] — Authenticates every email in real time, eliminating phishing and impersonation with cryptographic proof of origin.
[e-Security.MessageSign] — Seals text messages with biometric identity before you send. The recipient verifies with one tap, no account needed, closing the door on smishing and family-impersonation scams.
[e-Security.PaySign] — Seals payment instructions at the source, letting banks verify a transfer before it's executed. Built to stop invoice fraud and BEC before the money moves.
[e-Security.Verify] — Universal verification platform confirming, in real time, the authenticity of anything secured by our technology.
[e-Security.Observer] — AI-driven monitoring that flags suspicious patterns before they escalate into fraud.

WHO IT'S FOR

Financial institutions, legal and notary services, healthcare providers, government and public sector, insurance companies, and enterprises — anyone who needs to sign, send, or verify something that must be trusted.

SECURITY AND COMPLIANCE

29 patent-pending applications filed in the EU. Designed around GDPR and eIDAS 2.0 principles. Built under Security by Design. End-to-end encryption, blockchain-anchored verification, forensic-grade traceability.

WHY [e-Security]?

Real-time verification that works even after printing. Multi-layer authentication (AI + Biometrics + Blockchain). A complementary layer of trust, not a replacement for the standards you already rely on. Scalable for individuals, SMEs, and large enterprises.

SUPPORT AND CONTACT

Visit: https://e-security.io
Email: contact@e-security.io

Join the digital trust movement with [e-Security] — where authenticity is no longer optional, it's guaranteed.

Sign. Trust. Verify. ## Rankings - #2,673,234 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_COARSE_LOCATION` - `android.permission.ACCESS_FINE_LOCATION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `bio.esecurity.esignapp.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` ## Similar extensions and apps - [e Signature App－Sign Documents](https://chrome-stats.com/d/signapp.com.document_editor_app) — 18 users - [ezSign](https://chrome-stats.com/d/com.sign.ezsign) — 6,513 users - [Security Data](https://chrome-stats.com/d/com.securitydata.ejemplorubricaimplement) — 197,452 users, 3.88 / 5 - [E-Sign : HelloWeSign](https://chrome-stats.com/d/com.hellowesign.app) — 61 users - [SureEsign](https://chrome-stats.com/d/com.sure.platform.mobile) — 18 users - [SeguriSign](https://chrome-stats.com/d/com.seguridata.segurisign) — 49 users - [Sky Paper - eSign](https://chrome-stats.com/d/com.skyiro.paper) — 7 users - [Signerry - e-signature](https://chrome-stats.com/d/com.signerry.android) — 15 users - [EazeeSign - Digital Signature](https://chrome-stats.com/d/com.rhysley.eazeesign) — 574 users - [eSign-Mobile](https://chrome-stats.com/d/com.signator2_mobile) — 43 users - [USign - Firma digital](https://chrome-stats.com/d/com.cuatroochenta.firmadigital) — 17,978 users - [iamSigner](https://chrome-stats.com/d/com.application.iamSigner) — 8 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/bio.esecurity.esignapp)