ArcaNotes vs KnowledgeSaved
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ArcaNotes
This app is designed for rapid note-taking with a focus on single ideas per note. It uses an AI-enhanced approach to help organize and retrieve information naturally through a feed-like interface. The app also encourages sharing knowledge by making it easy to follow and contribute to shared feeds.
- Rapid micro-note creation
- AI-suggested topics
- Natural feed-based review
- Question-based note retrieval
- Effortless knowledge sharing
- Topic-based note organization
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ArcaNotes is a different kind of note-taking app. It's designed for speed of entry ("micro-notes"), makes reviewing feel natural, streamlines sharing, and uses AI to help you organize and retrieve. ArcaNotes has a small mission and a big mission. The small mission is to make a great note-taking app that is fast, flexible, and aligned with how many of us work today. The bigger mission is for ArcaNotes to become your second brain, the place where you store all of your information. By making it effortless to retrieve, share, and review, your knowledge will be unlocked for you and others. How is ArcaNotes different? 1. It’s designed for rapid note-taking * Rather than taking long notes that cover several disparate topics, try using ArcaNotes to take “micro-notes” - short notes, each about one idea. * As soon as you have something you want to jot down, just enter it, and worry about organizing it (ie, assigning a topic) later. * The intention is for there to be nothing between your thought and the act of storing it - no friction. Capturing information is as simple as texting yourself. 2. Retrieval and review feel natural * Notes are displayed like a feed, similar to messaging apps. For many people, scrolling a feed is a more natural way to review and retrieve than clicking through nested folders. * Notes can be assigned one or more topics, and notes under that topic can be viewed, much like a channel. 3. It encourages you to share your knowledge * So much knowledge is trapped in our heads and apps. Often, we don’t share it because of the extra work required. * ArcaNotes aims to change that by making sharing and following feeds of other users’ notes easy. The intent is for a portion of your notes (the ones you want to share) to be opened up so others can quickly scan and review them. It’s a bit like how people routinely scan various message channels to catch up on other teams’ activities. 4. It leverages AI technology to help you be more productive * ArcaNotes suggests topics that best fit the content of your note, as you type. The goal is to help you work faster by doing some of the thinking about organizing for you. * Rather than searching by keyword, you can ask your notes a question. ArcaNotes will generate an answer based on the knowledge contained in your notes.
KnowledgeSaved
This app helps you capture, organize, and rediscover valuable ideas and quotes. It features OCR for book highlights, voice-to-text, and classic typing for input. Powerful tagging and smart filters allow for quick retrieval, while personalized daily quotes and community trends foster growth.
- Instant OCR for text capture
- Voice-to-text input
- Fast, clutter-free typing
- Powerful tags and smart filters
- Attribute authors and sources
- Personalized daily quotes
- Community trending insights
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Build a Second Brain for the ideas that shape you. KnowledgeSaved turns fleeting highlights, big-idea quotes, and sparks of wisdom into a beautifully organized digital commonplace book. CAPTURE EVERY SPARK • Instant OCR – snap a photo, turn any book highlight into editable text. • Voice-to-Text – speak insights on the go. • Classic typing – fast, clutter-free entry. ORGANISE & CONNECT • Powerful tags and smart filters – find the right quote in seconds. • Attribute authors & sources to build a rich, interlinked library. REDISCOVER & GROW • Personalised Daily Quotes pulled from your own collection. • See what’s trending in a community of fellow thinkers. Stop letting wisdom slip through your fingers. Download KnowledgeSaved today and build the library that grows with you.
Screenshots
Verdict
The clearest difference is price: ArcaNotes at Free against KnowledgeSaved's $4.99. ArcaNotes also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 75%). On ratings volume, 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
ArcaNotes is free to download; KnowledgeSaved costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ArcaNotes holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 100% of ArcaNotes's written reviews are positive against 75% of KnowledgeSaved's.
| Parameter | ArcaNotes | KnowledgeSaved |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (3 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 4+ | 9+ |
| Developer | ArcaNotes, LLC | Mobin Akhter |
Customer experience
ArcaNotes
KnowledgeSaved
In-app purchases
ArcaNotes
No in-app purchases
KnowledgeSaved
No in-app purchases









