210+ iOS apps curated and reviewed
Whether you're new to voltage secure mail or looking for an upgrade, our curated collection of 210+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 1.7★ (736) | No | No | Jul 2026 |
| 2 |  | Free | 4.7★ (4M) | No | No | Jul 2026 |
| 3 |  | Free | 4.8★ (45K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (78K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.5★ (5.9K) | No | No | Jul 2026 |
| 6 |  | Free | 4.7★ (3.4K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (19K) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (60K) | Yes | No | Jun 2026 |
Securely read and compose encrypted emails on your mobile device. This app allows you to send and receive secure messages, integrating with your existing email accounts and offering robust security features for organizations.
Consolidate all your email accounts into a single, organized inbox. Prioritize important messages, quickly respond with smart replies, and manage your inbox efficiently with features like scheduling and snoozing. Enjoy enhanced privacy with IP address hiding and read receipt prevention.
This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.
Manage multiple email accounts in one unified inbox. This app offers fast email fetching, smart search for important information, and tools to reduce inbox clutter. It prioritizes privacy and security with features like sender blocking and biometric protection.
Manage multiple email accounts, calendars, and contacts securely on your mobile device. This robust solution integrates with business tools and offers advanced security features for enterprise or BYOD environments, protecting personal data.
Secure your communications with an encrypted email service offering end-to-end encryption for emails and contacts. Enjoy features like anonymous registration, an ad-free experience, and a free encrypted calendar. Protect your privacy with a service developed and hosted in Germany.
This app offers secure cloud storage with a built-in password manager. It features strong encryption and multiple data storage layers for maximum privacy. Store passwords, financial details, documents, and media securely.
This app consolidates email, calendar, notes, and cloud storage into a single platform. It offers AI-powered email summarization, vacation planning, customizable notifications, and translation features. Manage multiple email accounts and organize newsletters efficiently.
Manage your emails and cloud storage from a single app. Receive instant notifications for new messages and access your contacts and documents on the go. Secure your account with PIN or biometric authentication.
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 app provides secure business email and calendar management on the go. It offers a unified inbox for multiple accounts, offline access, and advanced privacy features. Collaborate seamlessly with colleagues and manage your schedule efficiently.
Manage your Infomaniak email accounts securely with this app. It offers features like custom folder organization, quick scanning for actions, and personalized themes. Keep full control of your data within a secure, sovereign ecosystem.
This secure messaging app offers end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Features include self-destructing messages, message retraction, biometric login, and a private media vault that keeps photos off your device's gallery.
Manage your email, cloud storage, and news in one convenient app. Features a smart inbox that automatically categorizes emails for better organization and a secure cloud for file backup and sharing. Enjoy customizable push notifications and PIN protection for enhanced security.
A secure and efficient email client with built-in translation and document scanning. Manage multiple accounts, unsubscribe from unwanted lists, and even conduct video meetings directly within the app. Offers offline access and robust spam protection.
Manage all your email accounts from various providers in one unified, ad-free inbox. This app offers AI-powered writing assistance, an integrated calendar, and advanced spam management for enhanced productivity.
Manage your emails, store files securely online, and stay informed with news, all within one app. Features an intelligent mailbox for better organization and a protected online storage solution with German data protection standards.
Create and manage temporary email addresses to avoid spam. Use disposable inboxes for downloads, registrations, and in-game bonuses without exposing your personal email.
This app unifies multiple email accounts into a single inbox, offering AI assistance for drafting, replying, and summarizing messages. It includes features like read receipts, email tracking, and advanced organizational tools to streamline your communication.
Streamline your inbox with advanced spam filtering and customizable rules. Quickly manage emails using swipe actions, organize by account, and back up messages offline. This app offers extensive customization for a desktop-like email experience on mobile.