Features

Everything you need
to mark your world

Comment, explore, and connect with people around the globe through the things you care about.

Comment on Anything

Leave comments on URLs, photos, QR codes, and real-world locations. Every surface is your canvas.

Explore the Feed

Discover marks from around the world. See what people are commenting on near you or across continents.

Interactive Map View

See all marks on an interactive global map. Find hidden comments and hotspots around your neighborhood or anywhere on Earth.

QR Code Scanning

Scan any QR code and instantly see what others have said about it. Turn QR codes into conversations.

Groups & Chat

Create groups, chat with fellow markers, and build communities around shared interests and places.

Smart Search

Find marks by URL, location, user, or keyword. Powerful search to discover exactly what you need.

How It Works

Start marking in seconds

No complicated setup. Just download, sign up, and start leaving your mark.

Download

Get the app for free on Android. Takes just a moment.

Sign Up

Create your account with email or Google. Quick and secure.

Find a Target

Enter a URL, scan a QR code, or drop a pin on the map.

Leave Your Mark

Write your comment and share it with the world. That's it!

Global

Available in 10 languages

MarkThe.world speaks your language — wherever you are in the world.

EN
English
KO
한국어
JA
日本語
ES
Español
ZH
中文
HI
हिन्दी
PT
Português
FR
Français
AR
العربية
ID
Indonesia
FAQ

Frequently asked questions

MarkThe.world is a free social app that lets you leave comments on URLs, photos, QR codes, and real-world locations. You can explore marks on a global map, join groups, and chat with people around the world.
Yes! MarkThe.world is completely free to download and use. There are no hidden fees or premium walls. Available on Android, iOS (coming soon), and as a web app.
MarkThe.world supports 10 languages: English, Korean (한국어), Japanese (日本語), Spanish (Español), Chinese (中文), Hindi (हिन्दी), Portuguese (Português), French (Français), Arabic (العربية), and Indonesian (Bahasa Indonesia).
Open the app, go to the Map tab, drop a pin on your desired location, and write your comment. Other users nearby can discover your mark and reply to it.
Yes! Simply paste any URL into the Comment tab and leave your thoughts. Other users who visit the same URL will see your comment and can join the conversation.
Absolutely. MarkThe.world works globally — you can leave and discover marks anywhere in the world. The interactive map covers every country and region.

Ready to
Mark Your World?

Download MarkThe.world now and start leaving your mark. It's free, forever.

Get it on
Google Play Coming soon on
App Store