ThoughtTrace vs BUNKAi
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ThoughtTrace
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"Think analog, save digital." ThoughtTrace is a seamless tool to digitally save and organize the deep thoughts you've written down with pen and paper. Some ideas are only born when you freely move a pen across a blank sheet of paper, rather than typing on a keyboard. ThoughtTrace maximizes this "handwritten thought process" and securely manages your notes afterward. ā 3 Core Features of ThoughtTrace ā 1. "Intelligent Timer" for Deep Thinking Place your iPhone or iPad on the corner of your desk and set the focus timer. Setting a time limit flips the switch in your brain to "just write." 2. "High-Quality Continuous Scan" for Handwritten Notes Once you finish writing, simply point the app's camera. It automatically detects document edges, removes hand shadows and wrinkles, and instantly converts your notes into crisp, highly legible black-and-white data. You can also continuously scan multiple pages without closing the camera. 3. Reflect and Organize (Folders, Tags, PDF Export) Beautifully organize your scanned notes using folders and tags. Look back on the trajectory of your thoughts through a chronological timeline. You can also combine multiple notes and export them as a single PDF (*Pro feature). ā Privacy First ā All your ideas and notes are saved strictly on your device. They are never sent to external servers, allowing you to write down your thoughts with complete peace of mind. *The free version has a daily limit on the number of scans. Upgrade to the Pro version with a one-time purchase to unlock "Unlimited Saves," "No Ads," and the "PDF Export" feature. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
BUNKAi
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BUNKAi helps you turn one big goal into clear, manageable actions using a visual 81-cell goal map. Start with a goal, break it down into eight key areas, and turn each area into practical actions you can take. BUNKAi helps you see the whole picture while staying focused on what you can do today. Key features: ⢠Create a visual 81-cell goal map ⢠Break one goal into eight key areas and 64 actions ⢠Start from a sample map or create your own ⢠Track progress for each action ⢠Choose what to work on today ⢠Record reflections and progress ⢠View the full map with pinch and pan ⢠Save the full 81-cell map as an image ⢠Share your map ⢠Back up and restore your data with JSON ⢠Switch between English and Japanese No account is required. Your maps are stored locally on your device. BUNKAi does not use advertising, analytics, tracking, or cloud synchronization. One goal. Clear daily actions.
Screenshots
Verdict
The clearest difference is ads: BUNKAi at none against ThoughtTrace's shown. BUNKAi also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ThoughtTrace ships an update every 3 weeks, BUNKAi every 6 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.
| Parameter | ThoughtTrace | BUNKAi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days ā better |
| Ads | Yes | No ā better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod ā better |
| Requires iOS | 17.0 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 19 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | JUNICHI WATANABE | Yuji Imamura |
In-app purchases
ThoughtTrace
No in-app purchases
BUNKAi
No in-app purchases









