Side Brain vs Notivx
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Side Brain
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Your second brain for the web. Save articles, read without distractions, and find anything instantly with AI-powered search. Side Brain turns any webpage into a clean, focused reading experience. One tap in Safari saves the article, strips away ads and clutter, generates an AI summary, and makes it searchable β all on your device, all offline. SAVE FROM SAFARI IN ONE TAP See an interesting article? Tap the share button and select Side Brain. The article is saved, cleaned up, and processed automatically. No manual copying, no bookmarking chaos β just a fast, frictionless capture flow that works with any webpage. READ WITHOUT DISTRACTIONS Enjoy articles the way they were meant to be read. Side Brain removes ads, pop-ups, cookie banners, and visual clutter. What remains is pure content in a clean, beautiful reading view designed for focus. AI SUMMARIES IN SECONDS Don't have time to read the full article? Side Brain generates key takeaways so you can grasp the main points at a glance. Decide in seconds whether an article deserves your full attention or a quick skim is enough. TRANSLATE TO YOUR LANGUAGE Reading in a foreign language? Side Brain translates entire articles into your preferred language using AI. Perfect for researchers, students, and professionals who follow international sources. SMART SEARCH THAT UNDERSTANDS YOU Forget keyword matching. Side Brain uses semantic search to find articles by meaning. Ask "articles about productivity tips" or "that piece about climate change" and get relevant results β even if those exact words never appear in the article. WORKS OFFLINE Every saved article is stored locally on your device. Read on the plane, in the subway, or anywhere without an internet connection. Your entire article library is always with you. PRIVATE BY DESIGN Your data stays on your device. Side Brain does not collect, share, or upload your articles, reading habits, or personal information. No accounts, no tracking, no cloud sync to third-party servers. POWERED BY GOOGLE GEMINI Side Brain's AI features β article summaries, translations, and semantic search embeddings β are powered by Google Gemini. We send only the article content needed to generate each result, and nothing is retained for training. WHO IS SIDE BRAIN FOR? β’ Busy professionals who save dozens of articles but never find time to read them β’ Students and researchers who need to quickly understand long academic or news articles β’ Non-native speakers who want to read international content in their own language β’ Curious minds who collect articles from across the web and want them organized in one place β’ Anyone tired of ads, pop-ups, and website clutter ruining their reading experience HOW IT WORKS 1. Find an article in Safari or any browser 2. Tap Share β Side Brain 3. The article is saved, cleaned, and summarized automatically 4. Read, search, or translate anytime β even offline SUBSCRIPTION INFORMATION Side Brain requires a paid subscription. Start with a free 3-day trial to explore all features. If you love it, choose monthly or yearly billing. β’ Payment will be charged to your Apple ID account at confirmation of purchase β’ Subscription automatically renews unless canceled at least 24 hours before the end of the current period β’ Your account will be charged for renewal within 24 hours prior to the end of the current period β’ You can manage and cancel your subscriptions by going to your App Store account settings after purchase β’ Any unused portion of a free trial period will be forfeited when you purchase a subscription Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cooperative-catmint-496.notion.site/Privacy-Policy-for-Side-Brain-2e3d692d254d8083b4a9e16fa40c2c96
Notivx
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Your notes deserve better. Notivx is the note-taking app built for how you actually use the web β clip articles, save ideas, and keep everything searchable in one place. Tired of bookmarks you never revisit? YouTube videos lost in your history? Posts that vanished from your timeline? Notivx captures it all. Switching from Evernote? Full .enex import supported. Tired of overcomplicated tools? Notivx gives you exactly what you need β nothing more, nothing less. --- SAVE SOCIAL MEDIA & VIDEO CONTENT Embed YouTube videos, X posts, and Instagram content directly in your notes. Never lose track of that important post that scrolled past in your timeline. Flexible video content handling: - Supported sites display embedded video right in your notes - Other sites saved as links for one-tap access - Downloadable video files saved to your device for offline viewing Everything you bookmarked but never went back to β now safely captured in your notes. --- CLIP THE WEB WITH ONE TAP Built-in Safari extension (Action + Share) strips ads and clutter, saving only the article content you want. News sites, blogs, social media β clip any web content instantly. --- BLOCK-BASED EDITOR Build notes your way with flexible blocks: - Text blocks for freeform writing - Checklists for tasks and to-dos - Lists for ordered and unordered items - Dividers to organize sections - Attachments for images, video, audio, PDF, and files Drag, reorder, and nest blocks to structure anything from quick memos to detailed documents. --- POWERFUL FULL-TEXT SEARCH Custom FTS5 search engine with n-gram tokenization handles English, Japanese, Chinese, Korean, and more. Premium users get OCR search across images and PDFs β find text inside any attachment. --- SYNC ACROSS ALL DEVICES iCloud sync keeps your notes up to date on iPhone, iPad, and Mac. Access your latest content anytime, anywhere. --- SWITCH FROM EVERNOTE Import your entire Evernote library via .enex files β notes, tags, and attachments come along. Backup and restore with .pnbak format for complete data safety. --- RICH MEDIA ATTACHMENTS Go beyond text β attach anything to your notes: - Photos and images - Video recordings - Voice memos - PDF documents - Any file type --- FREE & PREMIUM Free: - Up to 50 notes - Full block editor - Safari web clipping - iCloud sync - Full-text search Premium (monthly subscription): - Unlimited notes - Video storage - OCR text recognition for images & PDFs - Search inside attachments - Priority support --- Simply enough β Notivx helps you capture, organize, and find your notes and web content with ease. Download now and start building your personal knowledge base. --- Subscription Details: - Premium is a monthly auto-renewing subscription - Payment is charged to your Apple ID account at purchase confirmation - Subscription auto-renews unless canceled at least 24 hours before the end of the current period - Renewal is charged within 24 hours prior to the end of the current period - Manage and cancel subscriptions in your Account Settings after purchase Privacy Policy: https://muscle-t.com/privacy-policy-notivx Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Side Brain and Notivx are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Side Brain sells 3 in-app purchases, starting at $2.99 per 7 days and Notivx sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Side Brain | Notivx |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 β better | 18.5 |
| Further details β not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Petr Nezval | Mamiko Tsukamoto |
In-app purchases
Side Brain
- Weekly Premium3 Days trial$2.997 Days
- Monthly Premium$7.991 Month
- Yearly Premium$39.991 Year
Notivx
- Notivx Pro$3.991 Month









