Pi Masters vs Wiki Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pi Masters
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Learn the digits of Pi and evaluate your progress up to 1 MILLION digits. Work toward beating Araki Haraguchi's unofficial record of 100,000 digits memorized! Absolutely no ads. No account, no user profiling. Just you and Pi.
Wiki Reader
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Turn Wikipedia into your personal knowledge feed. Swipe through millions of articles in a beautiful, TikTok-style format designed for learning. From history to science, technology to philosophy — discover and learn anything with AI-powered tools that make complex topics simple. — KEY FEATURES — • Knowledge Feed Scroll through personalized article recommendations based on your interests. Discover new topics effortlessly, just like scrolling social media — but for your brain. • AI Summary & ELI5 Get instant AI summaries of any article. Too complex? Use "Explain Like I'm 5" to break down difficult topics into simple language anyone can understand. • Ask AI Chat with an AI tutor about any article. Ask follow-up questions, explore deeper connections, and satisfy your curiosity — available 24/7. • Flashcards & Quizzes Turn any article into interactive flashcards with spaced repetition. Test your knowledge with AI-generated quizzes and track your scores. • Mind Map & Knowledge Graph Visualize how topics connect with beautiful mind maps. Explore related articles through an interactive knowledge graph. • Learning Paths Follow structured, multi-article journeys through topics like "Atoms to Galaxies" or "World Civilizations." Track your progress step by step. • Library & Offline Reading Bookmark articles, organize them into folders, and download for offline reading. Compare articles side by side. • Listen to Articles Convert any article to audio with adjustable playback speed. Learn while commuting, exercising, or relaxing. • Reading Streaks & Stats Build a daily reading habit with streak tracking, reading goals, and weekly progress reports. See your knowledge grow across categories. — WHY YOU'LL LOVE IT — Stop mindless scrolling. Start scrolling with purpose. Transform dead time into learning time with a feed that's as addictive as social media — but actually makes you smarter. — LEGAL — Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy — SUPPORT — Questions or feedback? Contact us at: support@leanstudio.asia
Screenshots
Verdict
The clearest difference is in-app purchases: Pi Masters at none against Wiki Reader's 3. Pi Masters also leads on device support (3 vs 1). Wiki Reader's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads and iOS requirement 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
Both are free to download. Wiki Reader sells 3 in-app purchases, starting at $5.99 per 7 days. Pi Masters asks for nothing beyond the download.
Pi Masters ships an update every 3 months, Wiki Reader every 6 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.
| Parameter | Pi Masters | Wiki Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, Vision Pro — better | iPhone |
| Requires iOS | 17.5 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Dave Poirier | LEAN ASIA CO., LTD |
In-app purchases
Pi Masters
No in-app purchases
Wiki Reader
- Premium Weekly Plan$5.997 Days
- Premium Yearly$29.991 Year
- Lifetime$59.99
Questions
Is Pi Masters free?
Is Wiki Reader free?
Do Pi Masters or Wiki Reader have ads?
Which is updated more often, Pi Masters or Wiki Reader?
Other comparisons
