# Cotomo（コトモ：音声会話型おしゃべりAI） vs D

The clearest difference is rating: D at 5.0 against Cotomo（コトモ：音声会話型おしゃべりAI）'s 4.1. D also leads on in-app purchases (none vs 11) and review sentiment (50% vs 41%). Cotomo（コトモ：音声会話型おしゃべりAI）'s advantage is ratings volume (7 vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Cotomo（コトモ：音声会話型おしゃべりAI） sells 11 one-off in-app purchases. D asks for nothing beyond the download.

D holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 41% of Cotomo（コトモ：音声会話型おしゃべりAI）'s written reviews are positive against 50% of D's.

Cotomo（コトモ：音声会話型おしゃべりAI） ships an update every 4 days, D weekly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Cotomo（コトモ：音声会話型おしゃべりAI） | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/cotomoai/id6460890513/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/d-lab/id6745396642/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 40.9% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free | Free |
| Size | 109 MB | 80 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Starley Inc.](https://appshunter.io/developer/1702171794) | [keigo matsumaru](https://appshunter.io/developer/1405989123) |

## What reviewers say

### 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 |


### D

[App page](https://appshunter.io/ios/app/d-lab/id6745396642)

Learn psychology with AI-powered video content and interactive tools. Access thousands of videos, get personalized advice from an AI assistant, and explore various expert-led sub-channels. This service helps you apply knowledge to enrich your life.

**Highlights:** AI-powered psychology video library, AI DaiGo assistant for questions, AI-generated podcasts and slides, Automated video chaptering, AI goal achievement coaching, Expert-led sub-channels

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is D free?

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

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

D is rated higher. Cotomo（コトモ：音声会話型おしゃべりAI） averages 4.1 out of 5 from 7 ratings, while D averages 5.0 from 2 ratings.

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

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

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

Cotomo（コトモ：音声会話型おしゃべりAI） ships an update every 4 days, and D weekly. Most recently, Cotomo（コトモ：音声会話型おしゃべりAI） was updated on October 12, 2026 and D on October 11, 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.*