# Dラボ vs Cotomo（コトモ：音声会話型おしゃべりAI）

The clearest difference is rating: Dラボ at 4.8 against Cotomo（コトモ：音声会話型おしゃべりAI）'s 4.3. Dラボ also leads on iOS requirement (12.0 vs 15.0). Cotomo（コトモ：音声会話型おしゃべりAI）'s advantage is review sentiment (41% vs 14%) and monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Dラボ sells 5 in-app purchases, starting at $1.99 per month and Cotomo（コトモ：音声会話型おしゃべりAI） sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dラボ holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 12 and 9 respectively. Written reviews complicate that: 14% of Dラボ's written reviews are positive against 41% of Cotomo（コトモ：音声会話型おしゃべりAI）'s, so the app with the better star average is not the one people write more warmly about.

Dラボ ships an update fortnightly, Cotomo（コトモ：音声会話型おしゃべりAI） every 6 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dラボ | Cotomo（コトモ：音声会話型おしゃべりAI） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/d-daigo/id1465859054/reviews)** | [4.3 (9 ratings)](https://appshunter.io/ios/app/cotomoai/id6460890513/reviews) |
| Number of ratings | **12** | 9 |
| Positive reviews | 13.6% of reviews | **40.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 79 MB | 116 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [keigo matsumaru](https://appshunter.io/developer/1405989123) | [Starley Inc.](https://appshunter.io/developer/1702171794) |

## What reviewers say

### Dラボ

[App page](https://appshunter.io/ios/app/d-daigo/id1465859054)

Access thousands of psychology videos explained by a popular mentalist. Enjoy features like offline playback, adjustable playback speed, and personalized recommendations. Unlock premium features with subscription plans.

**Highlights:** Thousands of psychology videos, Offline video playback, Adjustable playback speed, Background playback, Chapter saving, Recommended courses, Suggestive search

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間払い | $1.99 | per month |
| 月間払い | $2.49 | per month |
| 半年払い | $14.49 | per 6 months |
| 年間払い | $27.49 | per year |
| 月間払い | $34.99 | per month |


### Cotomo（コトモ：音声会話型おしゃべりAI）

[App page](https://appshunter.io/ios/app/cotomoai/id6460890513)

Engage in dynamic AI conversations with unique personalities and step into interactive stories where your choices matter. Build evolving relationships through shared memories and explore various conversation modes, including roleplay and casual chat.

**Highlights:** AI-powered interactive stories, Unique AI personalities, Evolving relationships with shared memories, Romance and roleplay modes, Immersive voice audio, Create custom AI characters

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cotomo Coin x125 | $2.49 | one-time |
| Cotomo Coin x250 | $2.49 | one-time |
| Cotomo Coin x500 | $4.99 | one-time |
| Cotomo Essentials Pack 9.99 | $9.99 | one-time |
| Cotomo Coin x525 | $9.99 | one-time |
| Cotomo Coin x1000 | $9.99 | one-time |
| Cotomo Coin x2750 | $49.99 | one-time |
| Cotomo Coin x5000 | $49.99 | one-time |
| Cotomo Coin x10000 | $99.99 | one-time |
| Cotomo Coin x14700 | $249.99 | one-time |
| Cotomo Coin x25000 | $249.99 | one-time |


## Frequently asked questions

### Is Dラボ free?

Dラボ is free to download, with in-app purchases available.

### Is Cotomo（コトモ：音声会話型おしゃべりAI） free?

Cotomo（コトモ：音声会話型おしゃべりAI） is free to download, with in-app purchases available.

### Which has better reviews, Dラボ or Cotomo（コトモ：音声会話型おしゃべりAI）?

Dラボ is rated higher. Dラボ averages 4.8 out of 5 from 12 ratings, while Cotomo（コトモ：音声会話型おしゃべりAI） averages 4.3 from 9 ratings.

### Do Dラボ or Cotomo（コトモ：音声会話型おしゃべりAI） have ads?

Neither Dラボ nor Cotomo（コトモ：音声会話型おしゃべりAI） shows ads.

### Which is updated more often, Dラボ or Cotomo（コトモ：音声会話型おしゃべりAI）?

Dラボ ships an update fortnightly, and Cotomo（コトモ：音声会話型おしゃべりAI） every 6 days. Most recently, Dラボ was updated on October 20, 2026 and Cotomo（コトモ：音声会話型おしゃべりAI） on October 24, 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.*