Neptune Odyssey vs MCP Notes
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Neptune Odyssey
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Odyssey helps you choose the right AI model for the jobβevery time. Your needs change throughout the day, and different models excel at different tasks. Odyssey makes it easy to compare leading models in one place so you can optimize for quality, speed, and cost. Whether youβre drafting content, troubleshooting code, or researching competitors, Odyssey helps you quickly match the best model to your workflowβso you can ship faster, improve output, and avoid overpaying. What you can do with Odyssey: Compare AI models side-by-side for the same prompt or task Match models to use-cases (writing, coding, research, etc.) Optimize for cost and performance with clearer tradeoffs Explore rankings/leaderboards to see how models stack up Odyssey brings the full Odysseytech.ai experience to your iPhone and iPadβnow in a fast, mobile-friendly app. Privacy policy: https://www.odysseytech.ai/privacy Terms of use: https://www.odysseytech.ai/terms
MCP Notes
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MCP Notes is a Markdown note-taking app for iPadOS and macOS. macOS with built-in RAG (Retrieval-Augmented Generation) and MCP server integration β enabling AI tools like Claude Code to semantically search and interact with your notes directly. The on-device RAG engine indexes your notes locally using vector embeddings, so you can find any note by meaning, not just keywords. The built-in MCP server exposes your notes to external AI assistants without sending data anywhere (available only on macOS). Features: - Shortcuts and Intelligence support - CommonMark Markdown editor with syntax highlighting - Tags, bookmarks, and wikilink navigation between notes - iCloud sync across all your iOS, iPadOS and macOS devices - Semantic search powered by on-device embeddings (for macOS version) - MCP server integration: connect Claude Code or any MCP-compatible AI tool to your notes (for macOS version) Open Source: MCP Notes is open source and licensed under MIT. The full source code is available on GitHub β contributions and feedback are welcome. https://github.com/sergeydi/MCP-Notes
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Verdict
The clearest difference is in-app purchases: MCP Notes at none against Neptune Odyssey's 6. MCP Notes also leads on update cadence (every 4 days vs every 2 months). Neptune Odyssey's advantage is iOS requirement (15.1 vs 26). On price, ads and device support there is nothing between them.
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. Neptune Odyssey sells 6 in-app purchases, starting at $19.99 per month. MCP Notes asks for nothing beyond the download.
Neptune Odyssey ships an update every 2 months, MCP Notes every 4 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | Neptune Odyssey | MCP Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.1 β better | 26 |
| Further details β not scored | ||
| Size | 49 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Neptune AI LLC | Serhii Didanov |
In-app purchases
Neptune Odyssey
- Monthly Pro access$19.991 Month
- Monthly Pro+ access$49.991 Month
- Monthly Pro max access$99.991 Month
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- Annual Pro access$191.991 Year
- Annual Pro+ access$479.991 Year
- Annual Pro max access$949.991 Year
MCP Notes
No in-app purchases









