Neptune Odyssey vs Better Keep
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
Better Keep
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Capture a quick idea, plan your day, or give a longer note room to grow. Better Keep brings rich-text notes, checklists, photos, sketches, and voice recordings together in one private notes app. A PLACE FOR EVERYDAY IDEAS Write a journal entry, collect study notes, plan a project, or keep a shopping list handy. Add headings, lists, links, text colors, and highlights when a note needs more structure. Attach photos and sketches to keep the details together. FIND WHAT YOU NEED Organize notes with labels, folders, colors, and pinned cards. Search your collection, archive completed notes, and set reminders for things you want to return to. WRITE OFFLINE An account is required. After signing in, create, edit, search, and organize local notes without an internet connection. Core local note-taking is free. CONTINUE ON ANOTHER DEVICE WITH PRO Pro adds real-time, end-to-end encrypted cloud sync across your approved devices. Note titles, content, and supported attachments are encrypted on your device before syncing. Some operational metadata, such as labels and timestamps, remains outside the encrypted payload; see betterkeep.app/security for details. VOICE NOTES YOU CAN FIND AGAIN Record audio alongside your notes. On supported native devices, an on-device Whisper model can turn recordings into searchable text. A model download needs a connection, transcription accuracy varies, and voice transcription is not available on Web. FREE AND PRO Free includes unlimited local notes, rich-text editing, checklists, labels, folders, reminders, offline use after sign-in, and up to five PIN-locked notes. Pro adds encrypted cloud sync and unlimited locked notes. Check the current price and billing options in the app before subscribing. BRING YOUR EXISTING NOTES Import a supported Google Takeout archive on your device. Review the import report for skipped or unsupported items before moving your full collection. Use Better Keep on iPhone, iPad, and Mac and Web. Some features vary by platform. Source code is publicly available under CC BY-NC 4.0. Start with one note. Make room for the ideas you want to keep.
Screenshots
Verdict
The clearest difference is update cadence: Better Keep at every 4 days against Neptune Odyssey's every 2 months. On price, ads, in-app purchases 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 and Better Keep sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Neptune Odyssey ships an update every 2 months, Better Keep every 4 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.
| Parameter | Neptune Odyssey | Better Keep |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac β better |
| Requires iOS | 15.1 | 15.0 β better |
| Further details β not scored | ||
| Size | 49 MB | 53 MB |
| Age rating | 17+ | 12+ |
| Developer | Neptune AI LLC | Foxbiz Software Private Limited |
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
Better Keep
- Better Keep Pro Monthly$2.991 Month
- Better Keep Pro Yearly$20.991 Year
Questions
Is Neptune Odyssey free?
Is Better Keep free?
Do Neptune Odyssey or Better Keep have ads?
Which is updated more often, Neptune Odyssey or Better Keep?
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