Comparison

PeterJohn NumPy Matplotlib vs SMTP Tester Pro

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

Head to head
About

PeterJohn NumPy Matplotlib

This Python interpreter for iPhone allows you to study data science, deep learning, and reinforcement learning using NumPy and Matplotlib. It provides a user-friendly interface with tutorials and scripts to get started quickly.

Highlights
  • Python interpreter for iPhone
  • Includes NumPy module
  • Includes Matplotlib module
  • Study data science, deep learning, reinforcement learning
  • Tutorials and example scripts
  • Run Python scripts
Features
Read full description

Now PeterJohn, a Python Interpreter which Runs on iPhone, Β  Acquired Two Major Modules, NumPy and Matplotlib. they will help you to studyΒ  DataScience, DeepLearning, ReinforcementLearning. it's like King Jesus sent twelve disciples out two by two. **Mark 6:7;12-13, GNT 6:7 He called the twelve disciples together and sent them out two by two. He gave them authority over the evil spirits. 6:12 So they went out and preached that people should turn away from their sins.Β  6:13 They drove out many demons, and rubbed olive oil on many sick people and healed them. **** How to Use it; 1) First, Touch "Add Tutorial" at the BottomLeft of ProjectsView. 2) Touch "TutorialSeason006" at ProjectsView. 3) Choose One of Four at ScriptsView. s001PILimageFontTest.py; This doesNot use Matplotlib but uses only Matplotlib TTF(TrueTypeFonts). s002matplotlibPltPlot.py s003matplotlibPltLegend.py s004BarChartOnPolarAxis.py 4) Touch "RunScript" at the TopRight of EditScriptView. 5) Only for the first time, the warning that "AppleMetal Cache Directory doesNot Exist" appears, Once needs to go back to EditScriptView, and then touch "RunScript" at the TopRight of EditScriptView Again. 6) the script is Executed at RunScriptView. **** Enjoy NumPy, Enjoy Matplotlib Enjoy DataScience, DeepLearing, ReinforcementLearing. Enjoy PeterJohnNumPyMatplotlib --Yasushi Yassun Obata

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.Β  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.Β  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.Β  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!

Screenshots

PeterJohn NumPy Matplotlib4 screens
SMTP Tester Pro4 screens

Verdict

The call

The clearest difference is review sentiment: SMTP Tester Pro at 75% against PeterJohn NumPy Matplotlib's 0%. SMTP Tester Pro also leads on price ($3.99 vs $12.99) and chart position (#189 vs unranked). PeterJohn NumPy Matplotlib's advantage is update cadence (every 2 weeks vs every 6 weeks). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

PeterJohn NumPy Matplotlib costs $12.99 and SMTP Tester Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PeterJohn NumPy Matplotlib ships an update every 2 weeks, SMTP Tester Pro every 6 weeks. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

Scorecard4 real differences Β· 5 level
PeterJohn NumPy Matplotlib versus SMTP Tester Pro: the parameters behind the verdict, then further details
ParameterPeterJohn NumPy MatplotlibSMTP Tester Pro
Price$12.99$3.99 β€” better
Positive reviews0.0% of reviews75.0% of reviews β€” better
Update frequencyEvery 2 weeks β€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rankβ€”#189 β€” better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 β€” better16.6
Further details β€” not scored
Size222 MB4 MB
Age rating4+4+
DeveloperYasushi ObataDorian Borovina

Customer experience

PeterJohn NumPy Matplotlib

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SMTP Tester Pro

Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

PeterJohn NumPy Matplotlib

No in-app purchases

None

SMTP Tester Pro

No in-app purchases

Questions

Is PeterJohn NumPy Matplotlib free?
PeterJohn NumPy Matplotlib costs $12.99, with no in-app purchases.
Is SMTP Tester Pro free?
SMTP Tester Pro costs $3.99, with no in-app purchases.
Do PeterJohn NumPy Matplotlib or SMTP Tester Pro have ads?
Neither PeterJohn NumPy Matplotlib nor SMTP Tester Pro shows ads.
Which is updated more often, PeterJohn NumPy Matplotlib or SMTP Tester Pro?
PeterJohn NumPy Matplotlib ships an update every 2 weeks, and SMTP Tester Pro every 6 weeks. Most recently, PeterJohn NumPy Matplotlib was updated on September 20, 2026 and SMTP Tester Pro on September 14, 2026.

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