# PositiveDiary vs つぶやきメモ

The clearest difference is in-app purchases: PositiveDiary at none against つぶやきメモ's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. つぶやきメモ sells 2 in-app purchases, starting at $1.99 per month. PositiveDiary asks for nothing beyond the download.

PositiveDiary ships an update every 9 days, つぶやきメモ every 5 days. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PositiveDiary | つぶやきメモ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 26 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) | [Ryota Yashima](https://appshunter.io/developer/1845144176) |

## What reviewers say

### PositiveDiary

[App page](https://appshunter.io/ios/app/positivediary/id6737477917)

**Features:** macOS Compatibility

**In-app purchases:** none


### つぶやきメモ

[App page](https://appshunter.io/ios/app/sns/id6757631272)

This app offers a unique way to journal by mimicking a social media timeline, allowing users to easily post thoughts, photos, and videos. It features a helpful AI assistant to find past entries and offer advice, making it a private space for personal reflection and creative expression.

**Highlights:** SNS-style timeline for notes, Attach photos and videos to entries, AI assistant for search and advice, Tagging for easy organization, Customizable theme colors, Home screen widget support, Reminder function

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |
| プレミアム（年額） | $22.99 | per year |


## Frequently asked questions

### Is PositiveDiary free?

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

### Is つぶやきメモ free?

つぶやきメモ is free to download, with in-app purchases available.

### Do PositiveDiary or つぶやきメモ have ads?

Both PositiveDiary and つぶやきメモ show ads.

### Which is updated more often, PositiveDiary or つぶやきメモ?

PositiveDiary ships an update every 9 days, and つぶやきメモ every 5 days. Most recently, PositiveDiary was updated on October 13, 2026 and つぶやきメモ on October 19, 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.*