249+ iOS apps curated and reviewed
MeSign is the household name in mesign, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 1.0★ (4) | No | No | Aug 2026 |
| 2 |  | Free | 4.4★ (18K) | Yes | No | Aug 2026 |
| 3 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | Free | 4.3★ (100K) | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This email client automatically encrypts and digitally signs your outgoing messages using S/MIME certificates. It offers automated key management and exchange, ensuring secure and private communication without requiring new email accounts.
Consolidate and manage multiple email accounts from various providers in a single, user-friendly interface. Enjoy customizable notifications, enhanced security features, and efficient search capabilities to streamline your communication.
This secure email service uses strong encryption to protect your communications. Send and receive encrypted messages with anyone, even those without the app. Access your encrypted mailbox via your device or a web interface.
Secure your email communications with advanced encryption. This app protects your messages and attachments from unauthorized access using military-grade, local encryption. Enjoy private and confidential conversations with a simple, intuitive interface.
This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.
Secure your digital life by generating and storing unique, strong passwords for all your accounts in an end-to-end encrypted vault. Access your data securely across unlimited devices and share sensitive information with others.
Securely send and receive encrypted email messages from any device. This platform simplifies email encryption, allowing you to communicate privately with anyone, regardless of their email provider. Access your secure inbox, sent items, and track message delivery.
Send emails with full features and customizable options. This app makes sending messages simple and secure, using the same encryption technology as banks. Get started for free and potentially receive daily free messages by engaging on social media.
Manage your business email efficiently with this app. It offers a fast, intuitive interface with instant syncing across devices. Enjoy smart security features like 2FA and data encryption in an ad-free environment.
Secure your emails and attachments with end-to-end encryption on your iOS device. Control access, set expiration dates, and revoke sent messages to ensure data privacy and compliance. Recipients can view protected emails seamlessly without new accounts.
Streamline your Digital Signature Certificate (DSC) application process with this mobile tool. Easily apply, upload documents, complete verification, and track your application status in real-time. Secure and efficient management of your DSC needs.
Secure your communications with end-to-end encrypted email, calendar, contacts, and drive. Your data is protected by your keys, not company policy, ensuring privacy and security against unauthorized access. Offers custom domain support and robust authentication methods.
A secure email client for Gmail offering robust protection with Touch/Face ID and passcode. It features customizable message viewing, anti-phishing measures, and in-app browsing. Easily insert text snippets, signatures, and manage attachments.
This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.
Access your mailboxes served by Afterlogic WebMail from your mobile device. This application supports essential email functions, including composing, sending, and viewing messages, with added support for PGP encrypted emails.