Letro
30 websites

Letro costs money

https://www.aainc.co.jp/service/letro/

Japanese Content Marketing Platform

VS

Whichit
3 websites

Whichit offers both free and paid options

https://home.getwhichit.com

Whichit is an interactive content platform that enables marketers, brands and publishers to increase user engagement on website, open new revenue streams and gain valuable insights

Market Share by Top Websites

2 Letro is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Letro has better usage coverage in more websites categories. Including Lifestyle, Food & Drink and Pets & Animals.

2 Whichit is leading in Health.

Geography

1 Letro is leading in most countries, including Japan, Taiwan and Ireland.

2 Whichit is leading in United Kingdom and United States.