undertone.com (undertone.com) — ad network

Website: undertone.com

undertone.com is an advertising system that app publishers list in their app-ads.txt as “undertone.com”. 3,548 checked publishers list it (174 with a DIRECT account, 3,497 through resellers). Its sellers.json lists 139 sellers: 110 publishers, 21 intermediaries, 8 both.

sellers.json

Read 21 Oct 2026 from https://undertone.com/sellers.json. Its sellers.json lists 139 sellers: 110 publishers, 21 intermediaries, 8 both. We read it weekly to verify the seller accounts in publishers’ app-ads.txt files.

Of the 68 undertone.com seller IDs we have seen in checked app-ads.txt files, 38 are in this sellers.json and 30 are not.

Publishers that list undertone.com

• geektales.games app-ads.txt
• playducky.com app-ads.txt
• appquantum.com app-ads.txt
• say.games app-ads.txt
• tagam.es app-ads.txt
• echarm.co app-ads.txt
• voodoo.io app-ads.txt
• lionstudios.cc app-ads.txt
• mysterytag.com app-ads.txt
• miniclip.com app-ads.txt
• tapclap.com app-ads.txt
• originalgames.io app-ads.txt

All ad networks · How we check

More

• app-ads.txt generator & hosting
• Top App Publishers
• Top Publishers by Errors
• Top Publishers by Missing Lines
• Top Publishers by Encoding Problem
• Top Ad Optimised Publishers
• Top Publishers by Access Errors
• Top Publishers by Broken app-ads.txt Format
• Recent App-Ads.txt Validations
• Publisher Monetisation Intelligence
• Ad networks in app-ads.txt
• Top Advertising Platforms
• Methodology