iTer vs Matplotlib教程
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTer
This app provides an extensive offline library of over 10,000 interview questions for developers across various programming languages and career paths. It includes company-specific exams, smart learning tools, daily quizzes, and powerful search functionality to aid in interview preparation.
- 10,000+ offline interview questions
- 16 language tracks and 12 career paths
- Company exam collections
- Smart learning management (starring, mastery labels)
- Daily quiz habit builder
- Powerful global search
- Home screen widgets and quick actions
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iTer is your offline interview question library for developers. For ten years, iTer has helped programmers study smarter for job interviews. Version 10 is a full SwiftUI rebuild that brings 10,000+ curated questions, company exams, and practical study tools into one clean, fast, always-ready app. Whether you are preparing for campus recruiting, switching jobs, or refreshing fundamentals, iTer turns spare minutes into real progress. 1. Massive offline question bank - 10,000+ interview questions, fully offline - 16 language tracks: Objective-C, Swift, Java, C/C++, PHP, JavaScript, Python, SQL, C#, HTML5, Ruby, R, Linux, Big Data, Algorithms, Network Security - 12 career paths: iOS, Java, Web, PHP, Python, Game, Database, Big Data, Linux, Algorithm, and Network Engineering - 12 company exam collections from Google, Microsoft, Baidu, Tencent, Alibaba, JD, 360, NetEase, and more - Multiple-choice and Q&A formats covering language basics, frameworks, algorithms, and common interview topics 2. Smart learning management - Star important questions for quick review before interviews - Recent history picks up where you left off - Mastery labels: unlearned, learned, mastered - Wrong-answer notebook collects mistakes from daily quizzes - Learning stats summarize favorites, wrong answers, and mastery rate 3. Daily quiz habit builder - Five multiple-choice questions every day, seeded by date - Streak counter keeps you motivated - Instant scoring with encouraging feedback - Wrong-answer review shows your answer vs the correct one - Retry today or reshuffle for extra practice 4. Powerful global search - Search questions, answers, and knowledge keywords - Filter by language or company exams - Jump straight to question details from results -【iPad + keyboard】⌘F to search, ⌘1–⌘4 for tabs. In question detail (from a multi-question list): ← Previous, R Random, Space Show answer, → Next — faster review on iPad. 5. Categories and advanced learning - Browse by career path or company exam papers - Advanced learning links to LeetCode, Objc.io, NSHipster, Awesome lists, Gitbook tutorials, and practice projects - External links open inside the app with in-app Safari 6. Home screen widgets - Daily Question: one interview question on your home screen - Quiz Glance: today score and streak - Favorites Glance: track saved questions - Wrong Book Glance: reminders for mistakes to review - Widget background can follow your app theme 7. Home screen quick actions - Long-press the app icon to pin up to 4 shortcuts - Jump to search, daily quiz, favorites, wrong book, categories, feedback, or App Store review - Deep links open the right screen instantly 8. Rich question detail experience - Tap to reveal or hide answers for Q&A items - Interactive multiple-choice practice before seeing explanations - Toolbar actions for favorite, mastery, and share - Copy question and answer text for notes - Shuffle question order in lists - Share cards render a long image with QR code for friends and teammates 9. 15 beautiful themes - Presets including Gold, Ocean Blue, Forest Green, Rose Pink, and more - Custom accent color support - Light, dark, and system appearance - List and grid layouts across language, category, and question screens 10. Native multi-platform experience - iOS and iPadOS 16: full features including widgets and quick actions - macOS 13: native Mac app with tabs, keyboard shortcuts, share cards, and tips 11. Settings and support - Toggle favorites and recent sections on the Languages tab - In-app feedback email to the developer - Tip the developer to support ongoing updates - About page with version info and open-source credits Why iTer - Ten years focused on developer interviews - Offline-first study, anywhere anytime - Questions, quizzes, wrong book, and widgets in one learning loop - One purchase, works on iPhone, iPad, and Mac Add iTer to your home screen or Dock. Five questions a day adds up to interview confidence.
Matplotlib教程
This app teaches users how to create various static, dynamic, and interactive charts using Python's Matplotlib library. It covers a wide range of plot types, from simple line graphs to complex 3D visualizations and animations, making data presentation more intuitive.
- Learn data visualization with Python
- Create static, dynamic, and interactive charts
- Draw line plots, scatter plots, and contour plots
- Generate bar charts, histograms, and 3D graphics
- Explore animated visualizations
- Multiple output formats supported
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Matplotlib 是 Python 的绘图库,它能让使用者很轻松地将数据图形化,并且提供多样化的输出格式。 Matplotlib 可以用来绘制各种静态,动态,交互式的图表。 Matplotlib 是一个非常强大的 Python 画图工具,我们可以使用该工具将很多数据通过图表的形式更直观的呈现出来。 Matplotlib 可以绘制线图、散点图、等高线图、条形图、柱状图、3D 图形、甚至是图形动画等等。
Screenshots
Verdict
The clearest difference is rating: iTer at 5.0 against Matplotlib教程's 3.0. iTer also leads on update cadence (every 4 days vs every 21 months) and review sentiment (60% vs 33%). Matplotlib教程's advantage is in-app purchases (none vs 1) and chart position (#185 vs unranked). On ratings volume, ads, 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
iTer costs $0.99 and Matplotlib教程 $1.99 up front. iTer sells 1 one-off in-app purchase. Matplotlib教程 asks for nothing beyond the download.
iTer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 60% of iTer's written reviews are positive against 33% of Matplotlib教程's.
iTer ships an update every 4 days, Matplotlib教程 every 21 months. Both last shipped on October 7, 2026.
| Parameter | iTer | Matplotlib教程 |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 60.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 days — better | Every 21 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Best chart rank | — | #185 — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 天从 何 | 强 马 |
Customer experience
iTer
Matplotlib教程
In-app purchases
iTer
- Tip the developer$0.99
Matplotlib教程
No in-app purchases









