OpenCat vs Notate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenCat
This AI utility tool offers seamless integration of advanced AI models into your daily routine on Mac, iPhone, and iPad. It features a user-friendly interface, keyboard extensions for in-app AI access, and Siri/shortcut integration for automation. Supports a wide range of popular AI models and offers team deployment options.
- Support for latest popular AI models
- Keyboard extensions for in-app AI
- Realistic voice synthesis
- Siri and shortcut integration
- Team deployment with Docker
- Customizable AI parameters
- Markdown content rendering
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Bring AI into every part of your workflow: chat, writing, translation, and search. · Multiple model options — local models, API Key, Cloud subscription, Apple Intelligence · MCP — supports MCP and tool calls · Web search — available on OpenCat Cloud and select providers · System-wide translation — select text in any app for instant AI translation · Content rendering — supports LaTeX formulas, Markdown, and code highlighting · Cross-platform — natively built for Mac, iPhone, and iPad · Data privacy — stored locally, synced across devices via iCloud [Pro Features] · AI Keyboard — invoke AI right in the text field of any app to polish or reply in one step · OpenCat Cloud subscription provides access to all major models [A Variety of Models] · OpenCat Cloud — fast access to leading models · Local models — one-tap download of open-source models for offline use, accelerated by Apple silicon · BYOK — use your own API Key, including Coding Plan · System models — supports Apple Foundation Models [OpenCat Cloud — Ready to Use, No Setup] · No sign-up, zero configuration, all major models supported · 50+ models — ChatGPT, Claude, Gemini, Grok, DeepSeek, GLM, MiniMax, Kimi, Qwen, Doubao, and more, all in one place · Online search supported [System-Level AI Translation] Set OpenCat as your default translation app to translate selected text directly in Safari, Mail, Notes, and any other app. Powered by large language models, translations are natural and fluent — far superior to traditional translation engines. [Local Models, Offline Inference] · One-tap download — popular open-source models like Llama, Qwen, and Gemma · Apple silicon acceleration — built on Apple's official MLX framework, fully leveraging GPU performance for fast, energy-efficient inference · Fully offline — works without internet, conversation data never leaves your device [Use Your Own API Key] · 25+ providers supported — OpenAI, Claude, Gemini, DeepSeek, Kimi, Qwen, Doubao, ERNIE, and more [Contact Us] Email: support@dreamoon.ai Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy & Third-party AI Service Privacy Policy https://opencat.app/privacy
Notate
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Notate transcribes speech, music, and audio files entirely on your iPhone. No account, no cloud, no subscription. Your audio never leaves the device. Powered by an on-device Whisper model, Notate transcribes live from the microphone or from audio files you import—whether it's your voice, song lyrics, podcasts, or lectures. Everything runs locally, so it works on a plane, in a basement, anywhere, and nothing you say is ever uploaded. FREE, FOREVER - Unlimited live microphone transcription - Transcribe music and lyrics - Auto, Tiny, and Base models - Full history, copy, and share - 12 languages with auto-detect VOXPRINT PRO, ONE PAYMENT - Unlimited audio file transcription - The Small model, the most accurate - One purchase. Not a subscription, ever. WHY VOXPRINT - On device. Your voice stays yours. - No account, no sign-up, no tracking. - No monthly fee. Own it once. Notate is built for people who want their words, music, and audio transcribed without uploading to a server.
Screenshots
Verdict
The clearest difference is price: OpenCat at Free against Notate's $0.99. On update cadence, 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
OpenCat is free to download; Notate costs $0.99 up front. OpenCat sells 4 in-app purchases, starting at $3.99 per month and Notate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
OpenCat ships an update weekly, Notate every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | OpenCat | Notate |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (851 ratings) — better | — |
| Positive reviews | 64.6% of reviews | — |
| Number of ratings | 851 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 96 MB | 295 MB |
| Age rating | 17+ | 4+ |
| Developer | Early Moon, LLC | Joshua Trommel |
Bugs and requests
OpenCat
Reported bugs
6 issues- Streaming response disruptions
- Disappearing API key input fields
- Inconsistent Markdown rendering
- Keyboard extension not working as expected
- Sync issues between devices
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- Crashes and freezes when handling large inputs
Requested features
7 requests- Support for more AI models (e.g., Ollama, Groq)
- Markdown rendering for chat responses
- Ability to upload images and files
- Customizable keyboard extensions
- Background task support for long-running queries
Show 2 moreShow fewer
- Prompt library and sharing functionality
- Integration with other productivity apps (e.g., Shortcuts)
Notate
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OpenCat
- Cloud AI3 Days trial$3.991 Month
- Cloud AI$24.991 Year
- Tokens Package$5.99
- OpenCat Pro$9.99
Notate
- Echo Pro$1.00









