Comparison

OpenCat vs Notate

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Notate

Features
Read full description

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

OpenCat4 screens
Notate4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

OpenCat ships an update weekly, Notate every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
OpenCat versus Notate: the parameters behind the verdict, then further details
ParameterOpenCatNotate
PriceFree — better$0.99
Rating4.6 (851 ratings) — better—
Positive reviews64.6% of reviews—
Number of ratings851 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, Mac, Apple Watch — better
Requires iOS17.017.0
Further details — not scored
Size96 MB295 MB
Age rating17+4+
DeveloperEarly Moon, LLCJoshua 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
Show 1 more
  • 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 more
  • 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

4 purchases

OpenCat

Subscriptions2
  • Cloud AI3 Days trial$3.991 Month
  • Cloud AI$24.991 Year
One-time2
  • Tokens Package$5.99
  • OpenCat Pro$9.99
1 purchases

Notate

One-time1
  • Echo Pro$1.00

Questions

Is OpenCat free?
OpenCat is free to download, with in-app purchases available.
Is Notate free?
Notate costs $0.99, and also offers in-app purchases.
Do OpenCat or Notate have ads?
Neither OpenCat nor Notate shows ads.
Which is updated more often, OpenCat or Notate?
OpenCat ships an update weekly, and Notate every 2 weeks. Most recently, OpenCat was updated on October 30, 2026 and Notate on October 28, 2026.

Other comparisons