Top 50 Softwares in Japan
This curated ranking covers the 50 largest softwares in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 237 softwares tracked in Japan, the 50 ranked here account for the largest measured audience reach. Zozotown, Office 365 and RMK lead the list with a combined estimated audience of 41,152,127 people. Across all 50 entries the average audience size is 1,791,347, and the largest, Zozotown, reaches around 22,508,828 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each software, 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 |  Zozotown |
22,508,828 | 93.3% | Software | Business & Career |
| 2 |  Office 365 |
10,455,754 | 7.0% | Software | Technology & Electronics |
| 3 |  RMK |
8,187,545 | 98.1% | Software | Technology & Electronics |
| 4 |  Google Pixel |
7,221,548 | 24.8% | Software | Technology & Electronics |
| 5 |  Microsoft |
4,422,642 | 3.6% | Software | Technology & Electronics |
| 6 |  CapCut |
3,870,684 | 5.0% | Software | Technology & Electronics |
| 7 |  Cursor |
3,319,533 | 23.8% | Software | Technology & Electronics |
| 8 |  Casetify |
2,753,987 | 21.6% | Software | Technology & Electronics |
| 9 |  Claude Code |
2,545,623 | 31.3% | Software | Technology & Electronics |
| 10 |  Jet ski |
2,212,848 | 9.1% | Software | Sports |
| 11 |  Google Play |
1,877,327 | 3.5% | Software | Technology & Electronics |
| 12 |  Sunrise |
1,728,829 | 9.0% | Software | Travel & Leisure |
| 13 |  VS Code |
1,622,817 | 9.4% | Software | Technology & Electronics |
| 14 |  Samsung Galaxy |
1,423,962 | 3.0% | Software | Technology & Electronics |
| 15 |  WebEx |
1,099,656 | 15.7% | Software | Technology & Electronics |
| 16 |  ThinkPad |
1,090,816 | 14.5% | Software | Technology & Electronics |
| 17 |  AutoCAD |
943,546 | 6.7% | Software | Technology & Electronics |
| 18 |  Sharp Aquos |
909,268 | 62.8% | Software | Technology & Electronics |
| 19 |  Mac OS |
846,797 | 12.4% | Software | Technology & Electronics |
| 20 |  Autodesk |
727,600 | 5.7% | Software | Technology & Electronics |
| 21 |  Cybozu |
660,320 | 99.3% | Software | Technology & Electronics |
| 22 |  Raspberry Pi |
598,033 | 7.0% | Software | Technology & Electronics |
| 23 |  Microsoft Surface |
560,019 | 7.1% | Software | Technology & Electronics |
| 24 |  Oracle Corporation |
555,250 | 4.1% | Software | Technology & Electronics |
| 25 |  VMware |
547,450 | 7.1% | Software | Technology & Electronics |
| 26 |  Microsoft Windows |
545,195 | 7.3% | Software | Technology & Electronics |
| 27 |  IMovie |
453,284 | 5.1% | Software | Technology & Electronics |
| 28 |  roxy |
430,207 | 11.4% | Software | Fashion & Accessoires |
| 29 |  Marketo |
399,561 | 89.5% | Software | Technology & Electronics |
| 30 |  McAfee |
385,020 | 6.3% | Software | Technology & Electronics |
| 31 |  AVG (software) |
364,362 | 6.9% | Software | Technology & Electronics |
| 32 |  HP ProBook |
339,893 | 10.8% | Software | Technology & Electronics |
| 33 |  HP EliteBook |
321,955 | 8.3% | Software | Technology & Electronics |
| 34 |  Nikkor |
292,568 | 47.8% | Software | Technology & Electronics |
| 35 |  Fairy |
289,345 | 1.0% | Software | Kids & Family |
| 36 |  Roomba |
274,999 | 5.2% | Software | Technology & Electronics |
| 37 |  Google Antigravity |
262,784 | 20.5% | Software | Technology & Electronics |
| 38 |  Canon PowerShot |
260,885 | 10.9% | Software | Technology & Electronics |
| 39 |  Skims |
242,192 | 0.9% | Software | Fashion & Accessoires |
| 40 |  Hydro Flask |
241,629 | 6.3% | Software | Home & Garden |
| 41 |  Dell Inspiron |
236,388 | 11.0% | Software | Technology & Electronics |
| 42 |  Ryobi |
218,029 | 2.5% | Software | Cars & Mobility |
| 43 |  Craftsman |
206,095 | 6.3% | Software | Home & Garden |
| 44 |  HCL Technologies |
197,687 | 7.7% | Software | Business & Career |
| 45 |  Cadence |
189,045 | 8.8% | Software | Technology & Electronics |
| 46 |  Boot Camp (software) |
161,969 | 6.7% | Software | Technology & Electronics |
| 47 |  Nutanix |
158,034 | 16.2% | Software | Technology & Electronics |
| 48 |  Atlassian |
141,234 | 3.8% | Software | Technology & Electronics |
| 49 |  Vitamix |
138,688 | 4.3% | Software | Home & Garden |
| 50 |  Line Webtoon |
125,637 | 1.8% | Software | Internet & Social Media |
Frequently asked questions
How is this Top 50 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each software 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 software in Japan?
Zozotown currently leads with an estimated audience of 22,508,828 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.