Comparison

Harbour vs PeterJohn NumPy Matplotlib

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

Head to head
About

Harbour

Manage multiple Docker servers and containers from your iOS device. Monitor container status, control stacks, and receive background notifications. Requires Portainer to be installed.

Highlights
  • Manage multiple Docker servers
  • Control containers and stacks
  • Monitor container status and logs
  • Home Screen widgets for container insights
  • Handoff support for seamless transitions
  • Background notifications
  • iPadOS support
Features
Read full description

Meet Harbour - Portainer management app for iOS! Note: Portainer (https://portainer.io) is required to use Harbour. Multiple Servers & Endpoints Effortlessly manage multiple Docker servers and endpoints from one centralized platform. Whether it's your home server, or production environment at work, Harbour ensures seamless connectivity and control. Manage Your Containers Take charge of your Docker containers with ease. From managing container's states, to monitoring their status and logs, Harbour puts container management at your fingertips. Control Your Stacks Streamline your application deployment process by managing Docker stacks efficiently. With Harbour, you can effortlessly view, start/stop, deploy and remove stacks, ensuring smooth operation of your containerized applications. Widgets - Containers at a Glance Stay informed about your containers' status and performance with Harbour's intuitive widgets. Get (almost) real-time insights right on your Home Screen, keeping you updated without switching between applications. Handoff - Continue Where You Left Off Seamlessly transition between your iOS device and other Apple devices with Handoff support. Start your Docker management tasks on one device and effortlessly continue from where you left off on another, ensuring uninterrupted productivity. Background Notifications Stay informed about important events and updates even when Harbour is not actively in use. Background notifications keep you in the loop, ensuring you never miss critical alerts regarding your Docker containers. iPadOS Support Extend your Docker management capabilities to your iPad with full support for iPadOS. Enjoy the convenience of managing your containers and stacks on a larger screen, whether you're at your desk or on the go. No Telemetry Your privacy matters. Harbour is committed to respecting your privacy by ensuring that no telemetry data is collected :)

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,   Acquired Two Major Modules, NumPy and Matplotlib. they will help you to study  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.  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

Screenshots

Harbour4 screens
PeterJohn NumPy Matplotlib4 screens

Verdict

The call

The clearest difference is review sentiment: Harbour at 88% against PeterJohn NumPy Matplotlib's 0%. Harbour also leads on price ($2.99 vs $12.99) and chart position (#11 vs unranked). PeterJohn NumPy Matplotlib's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (15.0 vs 18.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Harbour costs $2.99 and PeterJohn NumPy Matplotlib $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Harbour ships an update every 6 weeks, PeterJohn NumPy Matplotlib every 2 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 6 level
Harbour versus PeterJohn NumPy Matplotlib: the parameters behind the verdict, then further details
ParameterHarbourPeterJohn NumPy Matplotlib
Price$2.99 — better$12.99
Rating5.0 (11 ratings) — better—
Positive reviews88.0% of reviews — better0.0% of reviews
Number of ratings11 — better—
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#11 — better—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size9 MB222 MB
Age rating4+4+
DeveloperKacper KaczmarzykYasushi Obata

Customer experience

Harbour

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews25 reviews
Positive88.0%
Neutral0.0%
Negative12.0%

PeterJohn NumPy Matplotlib

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

In-app purchases

None

Harbour

No in-app purchases

None

PeterJohn NumPy Matplotlib

No in-app purchases

Questions

Is Harbour free?
Harbour costs $2.99, with no in-app purchases.
Is PeterJohn NumPy Matplotlib free?
PeterJohn NumPy Matplotlib costs $12.99, with no in-app purchases.
Do Harbour or PeterJohn NumPy Matplotlib have ads?
Neither Harbour nor PeterJohn NumPy Matplotlib shows ads.
Which is updated more often, Harbour or PeterJohn NumPy Matplotlib?
Harbour ships an update every 6 weeks, and PeterJohn NumPy Matplotlib every 2 weeks. Most recently, Harbour was updated on September 25, 2026 and PeterJohn NumPy Matplotlib on September 20, 2026.

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