Offline Notes AI vs Cerebro Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Offline Notes AI
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Your private, all‑in‑one conversation and visual‑note recorder – 100 % offline. The meeting is more than a simple audio call—it enables interactive dialogue among participants. Your whiteboard sketches and notes are as valuable as the spoken conversation. The application seamlessly integrates voice transcription and camera captures into the meeting transcript, then generates a comprehensive summary that incorporates both forms of information. Why pay for a subscription when your device already works like a mini‑supercomputer, transcribing and summarizing everything locally? Offline Notes AI works entirely on your device, transforming spoken conversations and whiteboard drawings into accurate, searchable notes with zero internet connection. Just fast, private AI working for you. Never miss a detail—without sacrificing privacy. Perfect for Chalk Talk, Meetings, Interviews, Lectures, and anytime, anywhere. Key Features Transcribes spoken words in near real time and automatically separates each speaker. Analyzes photos with a Vision‑powered Large Language Model. Instead of traditional OCR, the app looks at the image, recognizes objects, handwritten sketches, diagrams, and any text, and produces a natural‑language description that captures the full meaning of the picture. Creates a single, searchable record that combines the spoken transcript and the Vision‑LLM description of every photo you captured. Summarizes the entire session—both the conversation and the visual content—into a concise overview you can read in seconds. Exports audio recordings, full transcripts, or summaries whenever you need them. Zero cost, zero limits - The app is completely free, with no in‑app purchases, subscriptions, or usage caps. Record as many meetings as you need, capture unlimited photos, and ask unlimited questions. How It Works 1. Record - Tap “Mic” button to start a recording. At anytime, tap the "Camera" button to add a photo 2. Transcribe - Speech and photo are transcribed to text automatically. 3. Summarize - Generate a clean, bullet-point summary. 4. Ask - Query the conversation or a photo to find key details fast. 5. Export - Save or share audio, transcripts, or summaries. Alternatively, you may tap the "Camera" button to transcribe a single photo Why Choose Offline Notes AI? Privacy-first by design -Your data stays on your device. Free forever - Full features with no hidden costs. Everything in one app -Record, transcribe, summarize, and search effortlessly. Compatibility Transcribing Photo feature works only on iPhone/iPad with at least 6GB RAM, such as iPhone 12 Pro and later iPhone 14 and later iPad (A16) iPad Air M1 and later iPad mini (A17 Pro) iPad Pro 12.9‑inch (4th generation and later) iPad Pro 11-inch (2nd generation and later) Download now and experience the fast, private, and truly offline notes AI for your meetings.
Cerebro Keyboard
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Cerebro is the only keyboard that's not a keyboard. It completely changes the way you write texts and messages. Instead of tapping tiny keys, you just speak. Cerebro is a voice-first keyboard with backwards keyboard compatibility — because sometimes you still need to type a quick "ok". Powered by advanced speech-to-text AI, one of the most accurate transcription engines available. Speak naturally, get clean text in under 3 seconds — or let AI transform it into the perfect tone. No app switching. No copy-pasting. It just works, everywhere. KEY FEATURES • Voice-First Design — Tap the orb and speak. That's it. The keyboard is there if you need it, but you won't. • Works in Every App — Cerebro installs as your system keyboard. Use it in Messages, WhatsApp, Notes, Email, Slack, and any app where you type. • Background Flow Sessions — Tap the mic and Cerebro starts listening, then switch to other apps. It keeps transcribing in the background so you never lose a thought. • AI Text Transforms — Speak naturally, then let AI rewrite your text in any style. Choose from built-in modes like Professional (business tone), Casual (friendly), Concise (removes filler), Clean (profanity filter), and English (translation & grammar fix) — plus fun modes like Pirate and Yoda. Create unlimited custom modes with any prompt you want. • Custom Dictionary — Add names, technical terms, and specialized vocabulary so Cerebro always gets your words right. • Track Your Time Saved — See how much time you save compared to typing. The average user saves over 40 minutes per day. PRIVACY BY DESIGN Your voice stays yours. Audio recordings are deleted immediately on our servers after transcription — we never store what you said. Transcribed text and audio recordings are only stored on your device. No keystroke logging. No content tracking. HOW IT WORKS 1. Install Cerebro and enable the keyboard in Settings 2. Switch to the Cerebro keyboard in any app 3. Tap the orb and speak 4. Your words appear as text — instantly PRICING Cerebro is free to download and includes 20 transcriptions every month. Cerebro Pro lifts the monthly cap for $5.99 per month or $47.99 per year in the United States. Prices vary by region and are shown in the app before you buy. Cerebro Pro is an auto-renewing subscription. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your App Store account settings. Terms of Use (EULA): https://www.cerebro-keyboard.app/terms Privacy Policy: https://www.cerebro-keyboard.app/privacy Stop typing. Start speaking.
Screenshots
Verdict
The clearest difference is ads: Cerebro Keyboard at none against Offline Notes AI's shown. Offline Notes AI's advantage is update cadence (weekly vs every 6 months). On price, in-app purchases, device support 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. Neither carries in-app purchases, so what you see is what you pay.
Offline Notes AI ships an update weekly, Cerebro Keyboard every 6 months. The most recent releases landed on May 14, 2026 and September 17, 2026 respectively.
| Parameter | Offline Notes AI | Cerebro Keyboard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 112 MB | 4 MB |
| Age rating | 12+ | 9+ |
| Developer | Yang Li | Allonsy GmbH |
In-app purchases
Offline Notes AI
No in-app purchases
Cerebro Keyboard
No in-app purchases





