If data caps and restrictions have you down on eSIMs, Yesim is one of the options for you. Offering a truly unlimited data package, this provider will let you watch, stream, or play anything you have in mind. And with the security of Japan’s KDDI network behind them, you’ll never have to miss a thing.

Yesim’s unlimited data packages come with no daily or plan-long caps, and allow tethering through your phone. Their plans run for either 7, 15, or 30 days, giving you the option to pick a length that works for you. While they are at a slightly higher price point, they make up for it with their blistering speed of 90.23Mbps (according to our speed tests, anyway). A 7-day plan will cost you US$38.50, and the premium 30-day plan US$86.90.

Don’t worry if you forget to sign up before you leave. Yesim comes with an easy purchase procedure, and instant delivery.

Compare popular eSIMs for Japan.

Our tests

(Upload/Download/Latency, in Mbps)

Tested on

Test 1 (Setagaya): 76.7/3/191
Test 2 (Shibuya): 113/7.3/190
Test 3 (Shinjuku): 81/5.11/204
Average: 90.23/5.14/195.00