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What are the best SIM cards in Japan?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
2.8K
CPC
$0.43
Total est. value / mo
$74
Common ways people ask this (15)
  • Which SIM cards should I get in Japan for tourists?
  • Which SIM cards should I get in Japan for short trips?
  • Which SIM cards should I get in Japan for long stays?
  • Which SIM cards should I get in Japan for business travel?
  • Which SIM cards should I get in Japan for students?
  • Which SIM cards should I get in Japan for prepaid use?
  • Which SIM cards should I get in Japan for data-only use?
  • Which SIM cards should I get in Japan for calls and data?
  • Which SIM cards should I get in Japan for heavy data use?
  • Which SIM cards should I get in Japan for light data use?
  • Which SIM cards should I get in Japan for city travel?
  • Which SIM cards should I get in Japan for rural travel?
  • Which SIM cards should I get in Japan for 5G coverage?
  • Which SIM cards should I get in Japan for the cheapest option?
  • Which SIM cards should I get in Japan for the easiest pickup at the airport?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 softbank.jp 5/5 56 $23
2 klook.com 5/5 33 $14
3 au.com 5/5 22 $9
4 rakuten.co.jp 4/5 15 $6
5 docomo.ne.jp 5/5 11 $4
6 mobal.com 3/5 8 $3
7 airalo.com 4/5 6 $2
8 japan-guide.com 3/5 5 $2
9 amazon.co.jp 4/5 4 $1
10 nipponsim.com 2/5 3 $1
11 simcardgeek.com 2/5 2 $0
12 japan-wireless.com 3/5 2 $0
13 b-mobile.ne.jp 2/5 1 $0
14 tokyocheapo.com 2/5 1 $0
15 gigsky.com 2/5 1 $0
16 bmobile.ne.jp 2/5 1 $0
17 nippon.com 2/5 1 $0
18 holafly.com 2/5 0 $0
19 trip.com 2/5 0 $0
20 sakuramobile.jp 2/5 0 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →