Idea Think vs Reply Rake
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Idea Think
Capture, organize, and visualize your thoughts with a mind mapping tool. Branch ideas naturally, search your entire library, and export your thinking as PDFs. Keep your ideas private and offline.
- Capture ideas in one tap
- Unlimited branching
- Interactive Tree Map view
- Search by text or tag
- Export as PDF
- Private and offline storage
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Capture ideas fast, branch them naturally, and organise everything offline. Idea Think turns scattered thoughts into a clear mind map you can search, tag, pin, visualise, and export whenever inspiration strikes. Whether you are planning a project, collecting insights, outlining content, or saving a passing idea before it disappears, Idea Think gives every thought a place to grow. CORE FEATURES - Capture ideas in one tap - Grow unlimited branches from any idea - View your structure in an interactive Tree Map - Search by text or tag across your whole library - Pin and tag important ideas for quick access - Export any idea tree as a clean PDF - Use daily reminders to build a thinking habit - Keep everything private and fully offline FAST CAPTURE Type a thought and hit send. No folders, no setup, no friction. New ideas land in your Inbox first, so you can capture now and organise later. NATURAL BRANCHING Tap any idea to drill deeper and add child branches. Start from one seed and grow it into a full mind tree as your thinking expands. VISUAL THINKING Use Tree Map view to see your idea structure at a glance. Pinch, zoom, and pan through your thinking visually. Long-press any node to edit, move, or delete. SEARCH AND ORGANISE Find any idea quickly with text or tag search. Filter by Top Level, Seedbed, Recent, Most Branched, or Deep Ideas. Pin the ideas you want to keep in focus. EXPORT AND SHARE Turn any idea tree into a beautifully formatted PDF. Share it with your team, send it to yourself, or archive your thinking for later. PRIVATE AND OFFLINE Everything stays on your device. No account. No cloud. No forced sync. Light and Dark Mode are both supported, with six accent colours to personalise your trees. FREE TO USE Idea Think is free to download and use. The app is supported by ads, which help us keep it updated and improving. Available in English, Japanese, Traditional Chinese, and Simplified Chinese.
Reply Rake
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Keep an editable reply for each open comment and catch repeated text, unfilled placeholders and length problems before copying. HOW IT WORKS 1. Open Queue and tap Open Draft Desk. 2. Choose a character limit and edit the draft for an active, unsnoozed comment. 3. Review the checks and context, then copy the reply when ready. Your comment remains open. Comment intake, prioritization, seeds, saved replies and the app’s other workflows remain available. WHAT TO KNOW Shows up to 100 active, unsnoozed comments. Checks are textual, not fact-checking or a prediction of engagement. Character limits are your own choices, not a guarantee of platform acceptance. Draft Desk does not post replies or mark comments complete. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: Idea Think at Free against Reply Rake's $0.99. Idea Think also leads on iOS requirement (13.0 vs 17.0). Reply Rake's advantage is in-app purchases (none vs 1). On update cadence, ads 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
Idea Think is free to download; Reply Rake costs $0.99 up front. Idea Think sells 1 one-off in-app purchase. Reply Rake asks for nothing beyond the download.
Idea Think ships an update every 6 days, Reply Rake every 5 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | Idea Think | Reply Rake |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 31 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Man Chi CHoi | Robert Corbin |
In-app purchases
Idea Think
- IdeaThinkPro$1.99
Reply Rake
No in-app purchases








