Second Brain vs OCR Hero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Second Brain
This AI-powered journal captures your thoughts via voice or text, automatically organizing and connecting them. It helps you recall memories, discover patterns, and reflect on your growth.
- AI classification, tagging, and summarization
- Semantic search by meaning
- Three-layer memory system
- People cards for relationship tracking
- Weekly AI reflections
- Voice input with transcription
- Data export (JSON + Markdown)
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Most notes get written once and never read again. Second Brain reads them for you. Write a line whenever something is on your mind, and once a week it tells you what your week was really about. You don't need to keep a diary or a streak. One line a day is enough. YOUR WEEK, READ BACK TO YOU The weekly insight covers what took up your attention, what changed since last week, and one concrete thing to try. Every insight shows the notes it came from, so you can check it against what you actually wrote. Your first weekly insight is free. Once a month you get a longer read on where the month went. After your first five notes there's also a first impression of you, and it fills in as you keep writing. CAPTURE Type, or press and hold to speak. Share text, links or images from other apps, or pick screenshots and the text in them is read on your phone. Each note gets a title and tags automatically, so there's nothing to file. ASK YOUR PAST Explore searches by meaning, not only keywords. Ask "What did I decide about the move?" or "What did Anna say last time?" and get an answer built from your own notes. PEOPLE Keep a card for the people in your life: what they said, what you did together, what to bring up next time. Before you meet someone, a reminder shows your open to-dos and what you talked about last time. REMINDERS AND WIDGETS Write "dentist next Friday at 3pm" and it becomes a reminder and a checklist item. There are widgets for the Home Screen and Lock Screen, and the checklist can run as a Live Activity. PRIVACY Your notes are stored on your device. There's no account to create and no server of mine in between. To title, tag and reflect on your notes, their text is sent to a cloud AI service. If your iPhone supports Apple Intelligence, you can turn on On-Device AI and new notes are handled on the phone instead; Explore and reflections still use the cloud. Every AI result is labeled "On device" or "Cloud AI", so you can see which is which. iCloud sync is optional and uses your own iCloud account. You can export everything as JSON or Markdown at any time, for free. FREE AND PRO Free: 5 notes a day, daily reflections, your first weekly insight, and export. Pro: unlimited notes, weekly insights and monthly reads, 20 Explore questions a day, up to 30 screenshot imports a day, unlimited people, the memory graph and life themes, iCloud sync, and the Rainbow Aurora theme. Pro is a monthly or yearly subscription. The yearly plan comes with a 7-day free trial, the monthly plan with 3 days. Payment is charged to your Apple ID and renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Second Brain is made by one person, Lemon. Terms of Use: https://smartkiitos.com/secondbrain/terms/ Privacy Policy: https://smartkiitos.com/secondbrain/privacy/
OCR Hero
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OCR Hero turns PDFs, photos, and scanned documents into editable text with fast, accurate OCR. Built for students, researchers, and professionals, OCR Hero helps you capture formulas, tables, and text from documents and convert them into formats you can actually use. Key Features Extract text from PDFs, photos, and document scans Recognize formulas, tables, and structured content with high accuracy Export to Word, LaTeX, Markdown, or plain text Process multiple files in batches Get results in seconds for most documents Sync your work across iPhone, iPad, and Web Designed for real document workflows Whether you are digitizing lecture notes, research papers, homework, reports, or technical documents, OCR Hero helps you move from image to editable content quickly and cleanly. Privacy and Security Your files are transmitted securely for processing. Extracted text may be stored in your account so you can access recent results across devices, and older data is automatically removed over time. Your data is not used to train our models. Download OCR Hero and turn documents into usable text, wherever you work. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ocrhero.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: OCR Hero at every 4 days against Second Brain's every 9 days. On price, 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
Both are free to download. Second Brain sells 2 in-app purchases, starting at $4.99 per month and OCR Hero sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Second Brain ships an update every 9 days, OCR Hero every 4 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.
| Parameter | Second Brain | OCR Hero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 12 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Liwei Xie | 江慧 杨 |
In-app purchases
Second Brain
- Second Brain Pro3 Days trial$4.991 Month
- Second Brain Pro7 Days trial$39.991 Year
OCR Hero
- OCR Hero Pro Monthly$4.991 Month
- OCR Hero Pro Quarterly$13.993 Months
- OCR Hero Pro Yearly$51.991 Year
- OCR Hero Credit Pack$4.99









