Top 18 Smart devices in Japan
This curated ranking covers the 18 largest smart devices in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Apple Watch, Garmin and Fitbit lead the list with a combined estimated audience of 11,861,347 people. Across all 18 entries the average audience size is 802,550, and the largest, Apple Watch, reaches around 8,176,532 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each smart devices, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Apple Watch |
8,176,532 | 9.3% | Smart devices | Technology & Electronics |
| 2 |  Garmin |
2,537,607 | 7.4% | Smart devices | Technology & Electronics |
| 3 |  Fitbit |
1,147,208 | 5.0% | Smart devices | Technology & Electronics |
| 4 |  Siri |
983,471 | 10.3% | Smart devices | Technology & Electronics |
| 5 |  Nest |
601,942 | 5.0% | Smart devices | Technology & Electronics |
| 6 |  Oculus Rift |
366,739 | 14.9% | Smart devices | Technology & Electronics |
| 7 |  Oculus |
274,318 | 5.2% | Smart devices | Technology & Electronics |
| 8 |  Whoop |
159,049 | 1.3% | Smart devices | Technology & Electronics |
| 9 |  Garmin Forerunner |
99,331 | 2.2% | Smart devices | Technology & Electronics |
| 10 |  Withings |
76,277 | 3.6% | Smart devices | Technology & Electronics |
| 11 |  Ecobee |
21,462 | 1.7% | Smart devices | Technology & Electronics |
| 12 |  Oculus VR |
860 | 0.3% | Smart devices | Technology & Electronics |
| 13 |  Android Wear |
321 | 0.1% | Smart devices | Technology & Electronics |
| 14 |  Bosch Smart Home |
283 | 0.1% | Smart devices | Technology & Electronics |
| 15 |  Endomondo Sports Tracker |
217 | 12.8% | Smart devices | Technology & Electronics |
| 16 |  Nest Labs |
118 | 0.0% | Smart devices | Technology & Electronics |
| 17 |  Garmin Fitness |
114 | 1.8% | Smart devices | Technology & Electronics |
| 18 |  Misfit Wearables |
65 | 9.9% | Smart devices | Technology & Electronics |
Frequently asked questions
How is this Top 18 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each smart devices by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest smart devices in Japan?
Apple Watch currently leads with an estimated audience of 8,176,532 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.