# こころぐ vs 日記と相棒と。

The clearest difference is update cadence: 日記と相棒と。 at weekly against こころぐ's fortnightly. こころぐ's advantage is iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. こころぐ sells 1 in-app purchase, starting at $1.99 per month and 日記と相棒と。 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

こころぐ ships an update fortnightly, 日記と相棒と。 weekly. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | こころぐ | 日記と相棒と。 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Freemium |
| Size | 3 MB | 18 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mimi Okumura](https://appshunter.io/developer/6788955622) | [MARIE MORIKAGE](https://appshunter.io/developer/1896645636) |

## What reviewers say

### こころぐ

[App page](https://appshunter.io/ios/app/ai/id6788955620)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| こころぐ Plus | $1.99 | per month |


### 日記と相棒と。

[App page](https://appshunter.io/ios/app/ai/id6790337176)

Record your day through conversation, writing, or photos with an AI companion. The app helps you reflect on your experiences and feelings in a way that suits your mood, offering a personalized journaling experience.

**Highlights:** AI-powered conversation journaling, Manual diary writing with photo attachment, Photo analysis and reflection, Memory storage and recall, Customizable AI companion interaction, Photo-based memory timeline

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プレミアム | $1.99 | per month |
| 年額プレミアム | $24.99 | per year |


## Frequently asked questions

### Is こころぐ free?

こころぐ is free to download, with in-app purchases available.

### Is 日記と相棒と。 free?

日記と相棒と。 is free to download, with in-app purchases available.

### Do こころぐ or 日記と相棒と。 have ads?

Neither こころぐ nor 日記と相棒と。 shows ads.

### Which is updated more often, こころぐ or 日記と相棒と。?

こころぐ ships an update fortnightly, and 日記と相棒と。 weekly. Most recently, こころぐ was updated on October 15, 2026 and 日記と相棒と。 on October 1, 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.*