203+ iOS apps curated and reviewed
The best smtp tester pro apps on iPhone average 4.2★ across 203+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $3.99 | — | No | No | Jul 2026 |
| 2 |  | $0.99 | 1.0★ (1) | No | No | Jul 2026 |
| 3 |  | $3.99 | 4.8★ (8.8K) | No | No | Jul 2026 |
| 4 |  | Free | 4.5★ (78K) | No | Yes | Jul 2026 |
| 5 |  | Free | 3.6★ (70) | No | Yes | May 2026 |
| 6 |  | Free | 4.5★ (3.7K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.4★ (17K) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.5★ (4.3K) | No | Yes | Jul 2026 |
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.
Diagnose network issues with a comprehensive suite of tools. Scan your Wi-Fi and LAN for connected devices, test internet speed, and perform advanced diagnostics like ping, traceroute, and port scanning. Get detailed network information and troubleshoot connectivity problems effectively.
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.
Enhance your device's data protection and monitor its technical functionality with comprehensive diagnostics. Perform over 20 interactive tests to check cameras, audio, screen, sensors, connectivity, and more. Get detailed photo reports of all test results to ensure your device is performing optimally and your data is secure.
This app helps you declutter your inbox by unsubscribing from unwanted senders, bulk deleting emails, and automating cleanup. It offers features to block senders, get data breach alerts, and organize your mail efficiently. Take control of your inbox and save time daily.
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 AI-powered app transforms your email into a messenger-like experience for professionals and teams. It streamlines inbox management with smart summaries, AI-assisted replies, and one-tap actions. Collaborate seamlessly with team chat, shared inboxes, and integrated tools.
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.
Manage all your email accounts in one place with features like read receipts, scheduled sending, and AI-powered writing feedback. Quickly schedule meetings directly from your inbox and pause incoming messages when you need to focus.
This app helps you declutter your inbox by deleting unwanted emails and unsubscribing from newsletters with a simple swipe. It organizes your subscriptions, identifies senders filling your inbox, and offers powerful spam protection. Recover accidentally deleted emails and even plant trees by referring friends.
This app helps diagnose network issues by analyzing your WiFi, testing internet speed, and identifying connected devices. It also offers IP address tracking and a VPN for online privacy.
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 powerful mail client offers a streamlined inbox experience with extensive customization options. It supports multiple email accounts and integrates seamlessly with other apps and services for enhanced productivity. Enjoy features like snoozing, interactive notifications, and iCloud sync for a unified workflow across devices.
This app provides comprehensive network analysis, including Wi-Fi and cell details, VPN information, and diagnostic tools like ping and traceroute. It also features a Wi-Fi scanner to detect devices and a speed test for internet performance.
This network utility tests host reachability on IP networks. It supports both IPv4 and IPv6, with configurable settings for TTL, timeout, interval, and packet size. The app includes a library of favorite hosts and operates in the background.
Easily measure your internet connection speed, including download, upload, and ping, with just one tap. Get accurate results in under 30 seconds for WiFi and cellular networks. Track your past tests and share your results.
This email application streamlines inbox management with AI-powered drafting and summarization. It helps users prioritize important messages, schedule emails for optimal delivery, and collaborate with teams through shared email views and integrated CRM tools. Save time and improve responsiveness with advanced features.
This app offers a streamlined experience for managing your Gmail inbox, focusing on quick triage and instant message sending/receiving. It boasts a fast, reliable performance, especially on VPNs, and a beautiful, animated interface.