Each mobile carrier lists the amount of data and the number of gigabytes (GB) along with their mobile phone charges , but it is important to know the amount of data that is actually appropriate for you.
Please use this information to understand how much data you need to use each service and to review your current smartphone plan.
When the communication volume required for each service is 1GB
In general, services that include video consume more data than voice calls or text-based website browsing. However, viewing photos (feed posts) on Instagram, which are often uploaded in high resolution, consumes more data than viewing videos and stories.
・Website browsing → Approximately 3,000 pages on a news site
・Sending and receiving emails : Approximately 2,000 (including attachments)
・Watching videos → YouTube medium quality (480p) for about 2 hours
・Music playback : Approximately 250 songs at standard sound quality on Spotify
・LINE → Voice call: approx. 55 hours / Video call: approx. 3 hours
・Instagram → Feed post: about 1 hour 10 minutes / Video stories: about 2 hours 20 minutes / Instagram Live: about 2 hours 50 minutes
・Twitter → Timeline: Approximately 4 hours / Video content: Approximately 3 hours and 30 minutes
・Zoom → Camera off: Approximately 24 hours / Camera on: Approximately 1 hour 40 minutes
Estimated monthly data usage
・Play games and browse websites only during your free time
1GB to 3GB per month
-Frequently posting photos and videos to Instagram or using web conferencing tools with the camera turned on several times a month
10GB or more per month
・Frequently watch videos or hold web conferences with the camera turned on
Approximately 30GB to 50GB per month
How can I pay only for what I use without worrying about data usage?
If you find it inconvenient to have to worry about your data usage, or if your data usage varies from month to month, we recommend Rakuten Mobile's Strongest Plan . With Rakuten Mobile's Strongest Plan, you only pay for the amount of data you use, and if you use the calling app Rakuten Link, you can make domestic calls for free, making your mobile phone bill cheaper.

The current employee referral campaign will earn you 14,000 points if you switch carriers (MNP), and 7,000 points if you don't. Customers who are renewing their contracts can also apply. Please take advantage of this offer when switching your smartphone or signing up for a new smartphone.