Comparison

SMTP Tester Pro vs Device Information Tool

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

SMTP Tester Pro

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.

Highlights
  • SMTP server configuration
  • Support for various authentication methods
  • Multiple TLS modes
  • Customizable timeout settings
  • Email composition with CC/BCC
  • Template management
  • Detailed SMTP transaction logs
Features
Read full description

SMTP Tester Pro is the ultimate tool for developers, IT professionals, and email administrators who need to test and debug SMTP connections.ย  Available for iOS 16.0+ and iPadOS 16.0+, SMTP Tester Pro simplifies the process of setting up, testing, and troubleshooting email servers with its user-friendly interface and powerful features. Key Features: - Intuitive SMTP server configuration - Support for multiple authentication methods (Login, Plain, CRAM-MD5, XOAUTH2) - Multiple TLS modes (Normal, Ignore TLS, Require TLS, Require STARTTLS) - TLS fine-tuning with self-signed certificate support and custom OpenSSL cipher suites - Customizable timeout settings - HTML email composition with a built-in professional template and automatic plain-text fallback - File attachments from the Files app with automatic MIME-type detection and multi-selection - Custom email headers - Reply-To, X-Mailer, In-Reply-To, or any header your testing requires - Multiple recipients with comma-separated lists for To, CC and BCC - Reliable multipart delivery so HTML emails with attachments render correctly in every mail client - Template management for quick setup - Detailed SMTP transaction logs with a refined color palette for both light and dark themes - Light, Dark and System appearance modes - Face ID security option - Customizable log appearance with adjustable font size and per-message colors - Backup and restore functionality for templates - Unified native iOS design across every screen Whether you're setting up a new email server, diagnosing issues with existing configurations, or simply learning about SMTP protocols, SMTP Tester Pro provides all the tools you need in one convenient app. Ideal for: - Software Developers - System Administrators - Email Server Administrators - IT Support Professionals - Students learning about email protocols SMTP Tester Pro offers predefined templates for popular email services like Gmail, Outlook, Yahoo, and more, making it easy to get started.ย  You can also create and manage your own custom templates for frequently used configurations. The detailed logs provide insights into every step of the SMTP conversation, helping you identify and resolve issues quickly.ย  With customizable log appearance, including font size and color coding, you can tailor the app to your preferences for better readability. Security features include Face ID for app access and the ability to manage password visibility. The app also includes a "How to" guide to help you make the most of its features. Available on iPhone and iPad, SMTP Tester Pro maintains the same intuitive interface and powerful functionality across all your iOS devices. Download SMTP Tester Pro today and take the hassle out of email server debugging!

About

Device Information Tool

Features
Read full description

A fast, accurate, and privacy-first utility that shows everything you want to know about your Apple devices. This tool has the most complete information available. By downloading, you are supporting a small independent open source developer who makes this information freely available to everyone and keeps it updatable by everyone. What you get: โ€ข Detailed hardware and software information including model, chip, storage, memory, introduction date, and minimum and maximum OS versions. โ€ข Battery information showing level and charge status. โ€ข Thermal indicator to recognize device temperature. โ€ข Orientation and display data showing how the system reports screen state. โ€ข Idle timer control to prevent the screen from dimming or locking when needed. โ€ข Device capabilities and sensors such as biometrics, LIDAR, ECG, Fall Detection, Oxygen Sensor, and more. โ€ข Direct support and reference links to Apple documentation based on your exact device. Why youโ€™ll love it: โ€ข Privacy-first design with no data collection. All device information stays on your device. โ€ข Lightweight and fast with minimal battery or resource usage. โ€ข Continuously updated with new Apple devices, sensors, and operating system support. โ€ข Ideal for developers, IT support, and anyone who wants to know the exact capabilities of their Apple devices. This is a tool for exposing the information in the open source Kudit Device framework. Feel free to contribute to this project at http://github.com/kudit/Device If you have any suggestions or feedback, please reach out to us at support+device@kudit.com! https://www.kudit.com/terms

Screenshots

SMTP Tester Pro4 screens
Device Information Tool4 screens

Verdict

The call

The clearest difference is price: Device Information Tool at $0.99 against SMTP Tester Pro's $3.99. Device Information Tool also leads on device support (4 vs 2). On update cadence, ads, in-app purchases and chart position there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

SMTP Tester Pro costs $3.99 and Device Information Tool $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SMTP Tester Pro ships an update every 6 weeks, Device Information Tool every 2 months. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

Scorecard2 real differences ยท 7 level
SMTP Tester Pro versus Device Information Tool: the parameters behind the verdict, then further details
ParameterSMTP Tester ProDevice Information Tool
Price$3.99$0.99 โ€” better
Positive reviews75.0% of reviewsโ€”
Update frequencyEvery 6 weeks โ€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidโ€”
Best chart rank#187#111 โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac โ€” better
Requires iOS16.615.0 โ€” better
Further details โ€” not scored
Size4 MB6 MB
Age rating4+4+
DeveloperDorian BorovinaKudit LLC

In-app purchases

None

SMTP Tester Pro

No in-app purchases

None

Device Information Tool

No in-app purchases

Questions

Is SMTP Tester Pro free?
SMTP Tester Pro costs $3.99, with no in-app purchases.
Is Device Information Tool free?
Device Information Tool costs $0.99, with no in-app purchases.
Do SMTP Tester Pro or Device Information Tool have ads?
Neither SMTP Tester Pro nor Device Information Tool shows ads.
Which is updated more often, SMTP Tester Pro or Device Information Tool?
SMTP Tester Pro ships an update every 6 weeks, and Device Information Tool every 2 months. Most recently, SMTP Tester Pro was updated on September 14, 2026 and Device Information Tool on September 19, 2026.
Which is more popular, SMTP Tester Pro or Device Information Tool?
SMTP Tester Pro currently peaks at #187 in the App Store charts, and Device Information Tool at #111. Chart position reflects recent download velocity rather than total install base.

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