Idea Think vs PDF Editor for iPhone
Price, ratings, monetisation and update history for both apps, side by side โ 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.
PDF Editor for iPhone
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Our application is a user-friendly PDF editor designed to help you edit, annotate, and manage PDF documents with ease. Whether you're working, studying, or handling everyday paperwork, our app provides convenient tools to make working with PDF files simpler and more efficient. Key Features - Add Text to PDFs โ insert text into your documents whenever needed. - Edit PDF Documents โ make changes to your files quickly and conveniently. - Highlight Important Details โ emphasize essential information for easy reference. - Fill Out PDF Forms โ complete digital forms and documents with ease. - Annotate Documents โ add notes, mark up pages, and highlight key sections. - Manage Your Files โ keep your PDF documents organized and accessible. - Quick Document Access โ open and work with your files whenever you need them. Designed for Everyday Use Our application is suitable for students, professionals, and anyone who regularly works with digital documents. Use it to manage contracts, complete forms, review reports, handle invoices, organize study materials, and work with important files. Our application helps you handle PDF documents more conveniently, stay organized, and get your work done with less effort. Subscription Information The app offers auto-renewable subscriptions and a one-time Lifetime purchase. Available options include: Weekly subscription โ $4.99 USD Monthly subscription โ $12.99 USD Yearly subscription โ $39.99 USD Lifetime purchase โ $59.99 USD Subscription payments are charged to your Apple ID account upon confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription at any time through your device settings. Privacy Policy: https://docs.google.com/document/d/1-AjgioupcQAID8g0rDThSbTt3VG4ha8PbID9HOPa9LY/edit?tab=t.0 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Idea Think at every 6 days against PDF Editor for iPhone's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Idea Think sells 1 one-off in-app purchase and PDF Editor for iPhone sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Idea Think ships an update every 6 days, PDF Editor for iPhone monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Idea Think | PDF Editor for iPhone |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 6 days โ better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.0 โ better | 15.5 |
| Further details โ not scored | ||
| Size | 28 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | Man Chi CHoi | EXERCISE RX LLC |
In-app purchases
Idea Think
- IdeaThinkPro$1.99
PDF Editor for iPhone
- Weekly-Trial3 Days trial$4.997 Days
- Weekly$4.997 Days
- Monthly$12.991 Month
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- Yearly$39.991 Year
- Lifetime$59.99
Questions
Is Idea Think free?
Is PDF Editor for iPhone free?
Do Idea Think or PDF Editor for iPhone have ads?
Which is updated more often, Idea Think or PDF Editor for iPhone?
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