タンサク - 歩くだけで世界が拡がる探索マップ。散歩・旅行
スマホを捨てよう、町へ出よう。あなた専用の地図を作る旅。
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
WorldTrace - Walk More, See More. Your Personal Fog-of-War Map.
We live in an age where you can look up anything before you arrive. Street views of cities you have never visited. Reviews of restaurants you have never tasted. Information is everywhere, and yet something feels missing.
When was the last time you looked up from your phone and noticed the street you were walking down?
WorldTrace was born from a single, quiet realization. During a trip abroad, the creator found that despite taking hundreds of photos and checking dozens of recommendations, the memories felt strangely hollow. Each place was reduced to a brief stop between phone screens -- a thumbnail in a camera roll rather than a lived experience. The journey itself, the walk between destinations, had vanished entirely.
That realization became this app.
WorldTrace is disarmingly simple. When you open it, the entire map is covered in fog. You cannot see anything. Then you walk outside, and the fog begins to lift -- but only where your feet have carried you. Over days, weeks, months, a map emerges that belongs to no one else. It is a quiet record of everywhere you have been, drawn not by your fingers but by your footsteps.
Andre Gide once wrote, "Put down your books and go out into the world." Today, he might say: put down your phone and go out into the world. Not because phones are without value, but because knowledge that never passes through your own body remains someone else's knowledge. The texture of a cobblestone street, the unexpected turn that leads to a hidden garden, the way light falls differently in a neighborhood you have never explored -- these things cannot be looked up. They can only be lived.
How to use WorldTrace:
Open the app. Put your phone in your pocket. Walk outside.
That is all. No interaction is needed while you walk. GPS quietly records your path in the background. When you return home, open the app again and watch the fog recede along the routes you traveled. Over time, your personal map grows -- a visual diary of your relationship with the world around you.
Features:
Automatic tracking. WorldTrace records your movement using background GPS. You do not need to keep the app open or interact with it while walking.
Manual drawing. For areas with poor signal -- underground passages, dense urban corridors, indoor markets -- you can reveal the map by hand.
Map pins. Drop pins at places that matter to you, with photos and notes attached. Not every memory needs a social media post. Some are just for you.
Level system. As your explored area grows, you earn titles that reflect your journey. A small, gentle motivation to keep walking.
Step counter. Integration with the Health app lets you see your daily steps alongside your map progress.
Customization. Choose fog colors and map styles to make the experience your own.
Who WorldTrace is for:
People who want to build a walking habit but find fitness apps too focused on performance. Travelers who want something deeper than a photo album. People who have moved to a new city and want a reason to explore it slowly. People who want a quiet nudge to look up from their screens. People who simply love maps and the idea of drawing their own.
Who WorldTrace is not for:
If you are looking for detailed fitness metrics -- precise distance, pace, calorie counts, heart rate zones -- this is not the right app. WorldTrace is not a fitness tracker. It is a map of presence.
A final note:
After that trip with the fragmented memories, the creator did not throw away their phone. That was never the point. Instead, the relationship changed. The phone went into a pocket, and the eyes went to the world. WorldTrace does not reject the smartphone. It simply proposes a different way of carrying one: not as a screen to stare at, but as a quiet companion that grows your map while you grow your experience.
Your map is waiting. It starts covered in fog.
All you have to do is walk.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
・Minor bug fixes.
The developer, ryota gunji, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ryota gunji
- Size
- 98.8 MB
- Category
- Travel
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- プレミアムプラン $11.99
- Copyright
- © 2026 RyotaGunji