196+ iOS apps curated and reviewed
The best smtp apps on iPhone average 4.1★ across 196+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 3 |  | Free | 4.7★ (104K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | Free | 4.7★ (60K) | Yes | No | Jun 2026 |
| 6 |  | Free | 2.5★ (2) | No | No | May 2026 |
| 7 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 8 |  | Free | 4.4★ (17K) | Yes | No | Jul 2026 |
This app provides a focused way to send emails without the distraction of an inbox. It utilizes SMTP to send messages, allowing you to connect your preferred email provider. Ideal for quick dispatches when you need to avoid the complexities of a traditional email client.
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.
Monitor WordPress email delivery and troubleshoot failures from your mobile device. Get instant notifications for issues, preview email content, and resend failed messages with ease. Connect to multiple WordPress sites and various SMTP services.
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.
This utility app allows users to quickly and easily test their email accounts. It provides a simple interface for verifying SMTP configurations.
Access a vast catalog of automotive parts by scanning VINs or searching license plates. Find millions of high-quality parts from over 500 brands quickly and efficiently. Ideal for mechanics and DIYers seeking convenience in their parts search.
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.
Create and manage multiple disposable email addresses for free. Use them for various purposes without worrying about spam or privacy. Addresses are permanent and can be accessed across devices.
Consolidate all your email accounts into a single, secure inbox. This app offers smart features like a unified inbox, conversation view, and quick unsubscribe options to enhance productivity and protect your privacy.
This application helps developers and IT professionals test and debug SMTP connections. It offers an intuitive interface for configuring servers, composing emails, and analyzing detailed transaction logs. Predefined templates for popular services and custom template management simplify setup and troubleshooting.
This tool allows users to test SMTP server functionality by sending emails. It helps identify and log any errors encountered during the testing process.
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.
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.
This app offers a fast and private way to manage your inbox. It uses on-device AI to help you clean up thousands of emails, unsubscribe from lists, and organize your communications across multiple accounts. It functions as a full email client with smart notifications.
Easily open and view Winmail.dat, MSG, and XPS email files that are incompatible with most email clients. Convert embedded content like appointments and notes into native iOS formats, and access all attachments within these files.
Organize your inbox by sender, making email management effortless. View all conversations and attachments with a specific contact in one place. Quickly clear out unwanted newsletters and notifications with simple gestures.
This app consolidates multiple email accounts into a single, organized inbox. It offers features like colored account tags, email grouping by date, and a dark mode for enhanced readability. Users can manage folders, filter emails by category, and customize actions for a streamlined email experience.
Access your mail, calendar, and contacts on the go. Manage your day efficiently with features like action-item marking, quick replies, and offline search. Stay organized with modern calendar views and streamlined contact management, all while ensuring business-grade security and privacy.