# OpenDNA vs SpeakMemo

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.

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.

## The numbers

| Metric | OpenDNA | SpeakMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/opendna/id1620832341/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 116 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [OpenDNA Inc.](https://appshunter.io/developer/994101524) | [TOSHIAKI KIYOTSUNE](https://appshunter.io/developer/1893357974) |

## What reviewers say

### OpenDNA

[App page](https://appshunter.io/ios/app/opendna/id1620832341)

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:** Vision Pro support

**In-app purchases:** none


### SpeakMemo

[App page](https://appshunter.io/ios/app/speakmemo/id6762451198)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenDNA free?

OpenDNA is free to download, with no in-app purchases.

### Is SpeakMemo free?

SpeakMemo is free to download, with no in-app purchases.

### Do OpenDNA or SpeakMemo have ads?

SpeakMemo shows ads; OpenDNA does not.

### Which is updated more often, OpenDNA or SpeakMemo?

OpenDNA ships an update monthly, and SpeakMemo monthly. Most recently, OpenDNA was updated on October 24, 2026 and SpeakMemo on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*