KnowledgeBase Builder vs Layers of Knowledge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowledgeBase Builder
Organize and search text documents and web pages with links within a mind map structure. Automatically create mind maps from text, import Wikipedia articles, and export your knowledge base as HTML. Also functions as a flowcharting tool.
- Save text documents and web pages
- Full-text search
- Organize with mind maps
- Automatic mind map creation
- Wikipedia import
- Export to HTML
- Flowcharting tool
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The InfoRapid KnowledgeBase Builder is an excellent tool for Knowledge Management. You can save text documents and web pages with all formattings and links in your knowledge base and perform a full text search in it. Since every document is attached as a text note to a mindmap item, you can organize them perfectly in a large mindmap. This mindmap is browsable, so you will never lose perspective even with thousands of documents. All items are stored in a reliable local SQLite database. The app includes many other outstanding features such as the automatic creation of mindmaps from text documents, the import of Wikipedia articles into your mindmap and much more. You can even export your knowledge base as a formatted html document. And that's not all. The InfoRapid KnowledgeBase Builder is also a famous flowcharting tool. You can either create your flowcharts manually or generate them automatically from pseudo code. And there are a thousand more things you can do with the app.
Layers of Knowledge
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Transform how you remember information with Layers of Knowledge – the intelligent spaced repetition app built on the science of the Ebbinghaus Forgetting Curve. LEARN SMARTER, NOT HARDER Stop forgetting what you learn. Our scientifically optimized reviewing schedule (1, 3, 7, 14, 30, 90, and 180 days) ensures information moves from short-term to long-term memory through perfectly timed reminders. KEY FEATURES - Layered Learning System Create knowledge items with optional hidden content for self-quizzing. Perfect for flashcard-style learning where you test yourself before seeing the answer. - Smart Notification Scheduling Receive timely reminders exactly when you need to review. Our intelligent system ensures you never miss a critical review session. - Flexible Learning Schedules Choose from multiple preset reviewing systems or create your own custom systems that match your learning goals. Define exactly when you want to be reminded – whether it's days, weeks, or months apart. Each schedule can have unlimited layers tailored to your specific needs. - Pause & Resume Learning Life gets busy. Pause all notifications with a single tap and resume whenever you're ready. Your progress is preserved, and all pending reviews are automatically rescheduled from when you resume. - Relearn Anytime Completed all reviews but need a refresher? The relearn feature lets you restart any item's review cycle from the beginning. Perfect for information that needs reinforcement or topics you want to revisit with fresh eyes. - Powerful Organization Organize your knowledge with color-coded tags. Filter, search, and manage thousands of items effortlessly with our advanced search feature. - Progress Tracking Track your journey from new information to permanent knowledge. See upcoming reminders, review your learning history, and celebrate when items move to your "Learned" collection. - Data Portability Download your entire knowledge base. Import on any device. Transfer between phones seamlessly. Your data belongs to you – always. - Multilingual Support Full support for English, French, and Arabic content including proper right-to-left text handling and diacritics-aware search. ENDLESS LEARNING POSSIBILITIES Vocabulary, inspiring quotes, poetry, historical facts, names and faces, exam material, important dates, travel phrases, trivia for conversations, and more – if you need to remember it, Layers of Knowledge helps you retain it forever. BUILT ON SCIENCE The Ebbinghaus Forgetting Curve shows we forget up to 70% of new information within 24 hours. Layers of Knowledge fights this by prompting reviews at scientifically proven intervals, dramatically improving long-term retention. YOUR LEARNING, YOUR WAY Whether you prefer the default science-backed schedule or want complete control with custom intervals, Layers of Knowledge adapts to your style. Pause when life demands it, relearn when memory fades, and build lasting knowledge layer by layer. Privacy-focused: All your data stays on your device. No account required. No data collection. Start building knowledge corpus today!
Screenshots
Verdict
The clearest difference is price: Layers of Knowledge at Free against KnowledgeBase Builder's $8.99. Layers of Knowledge also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (12.0 vs 15.0). On 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
Layers of Knowledge is free to download; KnowledgeBase Builder costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
KnowledgeBase Builder ships an update every 2 weeks, Layers of Knowledge every 3 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.
| Parameter | KnowledgeBase Builder | Layers of Knowledge |
|---|---|---|
| Price | $8.99 | Free — better |
| Rating | 4.7 (24 ratings) — better | — |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Ingo Straub | Ismail Bninou |
In-app purchases
KnowledgeBase Builder
No in-app purchases
Layers of Knowledge
No in-app purchases
Questions
Is KnowledgeBase Builder free?
Is Layers of Knowledge free?
Do KnowledgeBase Builder or Layers of Knowledge have ads?
Which is updated more often, KnowledgeBase Builder or Layers of Knowledge?
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