UDevice vs PeterJohn NumPy Matplotlib
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UDevice
This app offers a comprehensive suite of developer and testing tools. It includes network utilities like HTTP(s) capture and DNS parsing, alongside system information and file management capabilities. Ideal for development, testing, and device management.
- HTTP(s) Capture/Rewrite
- SSH and Terminal access
- Python3 interpreter
- Cookie editing
- Network utilities (Ping, DNS, Traceroute, Port Scan)
- File manager
- Device fingerprinting and system info
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Make device debugging, network diagnostics, and security research more efficient. The app includes a rich set of professional tools covering network packet capture, request rewriting, SSH, local terminal, Python 3, file management, cookie editing, log analysis, JSON formatting, regular expressions, Ping, DNS lookup, Traceroute, port scanning, LAN scanning, and more. You can also view real-time device status and key system information, including CPU, system, network, memory, display, browser environment, and other device data, helping you quickly understand the current state of your device. Whether for development debugging, testing and troubleshooting, security research, or daily device management, everything can be done in one app.
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.
- Python interpreter for iPhone
- Includes NumPy module
- Includes Matplotlib module
- Study data science, deep learning, reinforcement learning
- Tutorials and example scripts
- Run Python scripts
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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
Verdict
The clearest difference is review sentiment: UDevice at 78% against PeterJohn NumPy Matplotlib's 0%. UDevice also leads on price ($4.99 vs $12.99) and chart position (#60 vs unranked). On update cadence, ads, in-app purchases 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
UDevice costs $4.99 and PeterJohn NumPy Matplotlib $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.
UDevice ships an update every 3 weeks, PeterJohn NumPy Matplotlib every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | UDevice | PeterJohn NumPy Matplotlib |
|---|---|---|
| Price | $4.99 — better | $12.99 |
| Rating | 4.4 (36 ratings) — better | — |
| Positive reviews | 78.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 36 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #60 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 159 MB | 222 MB |
| Age rating | 4+ | 4+ |
| Developer | Gansu Zhenxian Network Technology Co., Ltd. | Yasushi Obata |
Customer experience
UDevice
PeterJohn NumPy Matplotlib
In-app purchases
UDevice
No in-app purchases
PeterJohn NumPy Matplotlib
No in-app purchases
Questions
Is UDevice free?
Is PeterJohn NumPy Matplotlib free?
Do UDevice or PeterJohn NumPy Matplotlib have ads?
Which is updated more often, UDevice or PeterJohn NumPy Matplotlib?
Other comparisons
