Comparison

OpenDNA vs ジョハリの窓テスト

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenDNA

Explore art and philosophy through engaging 5-minute lessons and daily activities. Develop your critical thinking skills by discovering new concepts and recording your insights in a personal notepad.

Highlights
  • 5-minute learning content
  • Daily unusual activities
  • Personal notepad for discoveries
  • Explore Cubism
  • Learn about Haiku
  • Study light and shade in art
  • Investigate Western philosophy
Features
Read full description

- Explore art, philosophy, and literature in short, engaging sessions. - Experience artworks at exhibitions and learn more about their stories through the app. Enjoy content on art, philosophy, and literature anytime, anywhere. At OpenDNA Space in Sengawa, Chofu, Tokyo, we regularly present exhibitions, performances, and other events and programs. By combining actual exhibition visits with the app, you can deepen your understanding of the artworks and discover new perspectives. Whether you use the app on its own or together with OpenDNA Space, OpenDNA invites you to encounter art and culture while discovering new questions and perspectives. OpenDNA Space Related Content FUNAKOSHI Katsura Print Exhibition FUNAKOSHI Katsura (1951-2024) was a Japanese sculptor and printmaker. Enjoy looking at the artist’s diverse print works. 5-Minute Art, Philosophy & Literature Happiness in Western Philosophy What is happiness? How can we be happy? Explore these questions alongside Western philosophers from Ancient Greece to the 20th century. Freedom in Western Philosophy What is freedom? How has the idea of freedom changed over time? Discover how Western philosophers have understood and defined freedom since the days of Ancient Greece. Light and Shade in Visual Arts How do artists use light and shade, and what effects do they create? Think about this question through works by Vermeer, Caravaggio, Degas, Monet, and others. East Asian Philosophy and the Origins of Chinese Characters How were Chinese characters, which have been widely used around the world, created? Discover their origins through Chinese history and myths. Wandering through the World of Haiku Haiku are short poems that capture moments of the seasons and everyday life. Enjoy this unique literary form and let your imagination go into the ordinary and extraordinary. Haiku Theatre Experience haiku through familiar everyday scenes. What kind of landscape or story comes to mind when you listen to each poem? New content is added regularly. Part of the content is available in Japanese only.

About

ジョハリの窓テスト

Features
Read full description

ジョハリの窓とは、自分と他人の認識のズレを理解し、コミュニケーションがより円滑に行えるようにするための自己分析ツールのことです。 ジョハリの窓は自己と他者との関係から気付きを得て、自分が知っている「自分の特徴」と他者が知っている「自分の特徴」の一致・不一致を確認して自己分析、自己への気づきを促し、人間関係やコミュニケーションの円滑な進め方を模索することを目的にしています。

Screenshots

OpenDNA4 screens
ジョハリの窓テスト4 screens

Verdict

The call

The clearest difference is update cadence: ジョハリの窓テスト at every 5 days against OpenDNA's monthly. OpenDNA's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OpenDNA ships an update monthly, ジョハリの窓テスト every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
OpenDNA versus ジョハリの窓テスト: the parameters behind the verdict, then further details
ParameterOpenDNAジョハリの窓テスト
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews95.0% of reviews—
Number of ratings3 — better—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size116 MB11 MB
Age rating12+4+
DeveloperOpenDNA Inc.ryuichi misaki

In-app purchases

None

OpenDNA

No in-app purchases

None

ジョハリの窓テスト

No in-app purchases

Questions

Is OpenDNA free?
OpenDNA is free to download, with no in-app purchases.
Is ジョハリの窓テスト free?
ジョハリの窓テスト is free to download, with no in-app purchases.
Do OpenDNA or ジョハリの窓テスト have ads?
Neither OpenDNA nor ジョハリの窓テスト shows ads.
Which is updated more often, OpenDNA or ジョハリの窓テスト?
OpenDNA ships an update monthly, and ジョハリの窓テスト every 5 days. Most recently, OpenDNA was updated on November 3, 2026 and ジョハリの窓テスト on November 7, 2026.

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