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COVID-19 Contact-Confirming Application

COVID-19 app created by the Ministry of Health, Labour and Welfare
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Summary

COVID-19 Contact-Confirming Application is a COVID-19 app[1]. It draws 9 Wikipedia views per month (covid_19_app category, ranking #4 of 9).[2]

Key Facts

  • COVID-19 Contact-Confirming Application's image is recorded as Poster of Contact Confirming Application COCOA.jpg[3].
  • COVID-19 Contact-Confirming Application's instance of is recorded as COVID-19 app[4].
  • COVID-19 Contact-Confirming Application's instance of is recorded as mobile app[5].
  • COVID-19 Contact-Confirming Application's publisher is recorded as Ministry of Health, Labour and Welfare[6].
  • COVID-19 Contact-Confirming Application's developer is recorded as Ministry of Health, Labour and Welfare[7].
  • COVID-19 Contact-Confirming Application's copyright license is recorded as Mozilla Public License, version 2.0[8].
  • COVID-19 Contact-Confirming Application's programmed in is recorded as C#[9].
  • COVID-19 Contact-Confirming Application's operating system is recorded as iOS[10].
  • COVID-19 Contact-Confirming Application's operating system is recorded as Android[11].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.0.0[12].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.1[13].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.0[14].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.2[15].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.3[16].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.4[17].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.1.5[18].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.0[19].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.1[20].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.2[21].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.3[22].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.4[23].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.5[24].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.2.6[25].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 1.4.1[26].
  • COVID-19 Contact-Confirming Application's software version identifier is recorded as 2.0.0[27].

Why It Matters

COVID-19 Contact-Confirming Application draws 9 Wikipedia views per month (covid_19_app category, ranking #4 of 9).[2]

Related Entities

Android iOS Japan mobile app

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . github.com. github.com. Provenance: wikidata.org.
  7. [9] ↑ . api.github.com. Retrieved . api.github.com. Provenance: wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . mhlw.go.jp. Retrieved . mhlw.go.jp. Provenance: wikidata.org.
  11. [13] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  12. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [15] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  14. [16] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  15. [17] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  16. [18] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  17. [19] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  18. [20] ↑ . github.com. github.com. Provenance: wikidata.org.
  19. [21] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  20. [22] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  21. [23] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  22. [24] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  23. [25] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  24. [26] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  25. [27] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). COVID-19 Contact-Confirming Application. Retrieved October 16, 2026, from https://4ort.xyz/entity/covid-19-contact-confirming-application
MLA “COVID-19 Contact-Confirming Application.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/covid-19-contact-confirming-application.
BibTeX @misc{4ortxyz_covid-19-contact-confirming-application_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{COVID-19 Contact-Confirming Application}}, year = {2026}, url = {https://4ort.xyz/entity/covid-19-contact-confirming-application}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): COVID-19 Contact-Confirming Application — https://4ort.xyz/entity/covid-19-contact-confirming-application (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/covid-19-contact-confirming-application · Last refreshed: