OpenDNA vs SpeakMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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- 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.
SpeakMemo
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Practice the English you actually use. SpeakMemo is a personal phrase notebook that lets you save your own English phrases, listen to a model voice, and rehearse before real conversations. Instead of giving you a huge generic course, SpeakMemo helps you prepare for the moments that matter: meetings, travel, interviews, and everyday conversations. Features Save, edit, and organize your English phrases Add optional notes Sort phrases by tags like Meeting, Travel, Small Talk, and Interview Listen to model pronunciation Speak and check recognition results Review difficult words Pin important phrases for quick access Great for preparing for tomorrow’s meeting practicing interview answers reviewing travel phrases building your own useful English library SpeakMemo is not about endless study. It’s about rehearsing the English you want to use in real life.
Screenshots
Verdict
The clearest difference is ads: OpenDNA at none against SpeakMemo's shown. OpenDNA also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | OpenDNA | SpeakMemo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 95.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 116 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | OpenDNA Inc. | TOSHIAKI KIYOTSUNE |
In-app purchases
OpenDNA
No in-app purchases
SpeakMemo
No in-app purchases
Questions
Is OpenDNA free?
Is SpeakMemo free?
Do OpenDNA or SpeakMemo have ads?
Which is updated more often, OpenDNA or SpeakMemo?
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