MindNote vs Sealed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MindNote
Visually organize your thoughts and ideas with this intuitive mind mapping application. Create unlimited colorful maps, manage them with folders, and export your work in various formats. Features include auto-layout, outline view, and citation management.
- Unlimited mind map creation
- Folder organization
- Auto-layout for tidy maps
- Outline view
- Export to PDF/Markdown
- Footnote citation management
- iCloud sync
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MindNote is an elegant, simple, smooth, and efficient mind mapping app designed to help you think clearly, plan effectively, and organize your ideas visually. Features: • Create unlimited mind maps with colorful, connected nodes • Organize maps into folders for easy management • Auto-layout to keep your maps tidy • Outline view for a structured overview of your map • Export to PDF or Markdown • Import from Markdown to generate maps instantly • Footnote citation management with support for APA, MLA, Chicago, and more, also with customizable citation formats • iCloud sync keeps your maps up to date across all your Mac and iPhone devices • Supports both light and dark backgrounds for export • Floating quick actions and keyboard shortcut for fast editing Simple to start, powerful as you grow. Download MindNote and start mapping your thoughts today.
Sealed
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You think you know what will happen. Sealed makes you find out. Write a prediction, say how sure you are, and pick the date you will know. It seals. Until that date nobody can read it back — not even you. All you see is the label you gave it and a countdown. When the day comes, the seal breaks and you meet your own words: what you said, why you thought it, and how confident you were. Then you mark yourself right or wrong. That is where the interesting part starts. Sealed keeps the one number almost nobody keeps about themselves — how often the things you were 80% sure about actually happened. Say 80% and be right half the time and it will tell you so, level by level, and in plain words: "You say 83% on average and you are right 67% of the time. You run 16 points overconfident." Nothing leaves the phone. There is no account to make, no server holding your predictions, and nothing to subscribe to. It works on a plane. • Seal a prediction until a date you choose — minutes away or ten years away • Six confidence levels, each explained in odds you can feel • A vault of what is sealed, what is ready to open, and what you have judged • Your calibration, level by level, with a chart and a plain-English verdict • Reminders when something is ready to open, naming only the label • Export what you have opened as Markdown; sealed predictions are never in it • Sixteen example predictions to load, so the numbers mean something on day one • Works entirely offline. No account, no analytics, no subscription.
Screenshots
Verdict
The clearest difference is device support: MindNote at 3 against Sealed's 1. MindNote also leads on iOS requirement (17.6 vs 26.0). On price, ads and in-app purchases 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.
| Parameter | MindNote | Sealed |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Vision Pro — better | iPhone |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhaoyuan Chen | Jarle Hansen |
In-app purchases
MindNote
No in-app purchases
Sealed
No in-app purchases









