# PositiveDiary vs ChiisanaDiary

The clearest difference is in-app purchases: PositiveDiary at none against ChiisanaDiary's 2. ChiisanaDiary's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. ChiisanaDiary 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, ChiisanaDiary fortnightly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | PositiveDiary | ChiisanaDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 14 MB | 76 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) | [RYOGO KAWASAKI](https://appshunter.io/developer/1642839814) |

## What reviewers say

### PositiveDiary

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ChiisanaDiary

[App page](https://appshunter.io/ios/app/chiisanadiary/id6747301988)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is PositiveDiary free?

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

### Is ChiisanaDiary free?

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

### Do PositiveDiary or ChiisanaDiary have ads?

PositiveDiary shows ads; ChiisanaDiary does not.

### Which is updated more often, PositiveDiary or ChiisanaDiary?

PositiveDiary ships an update every 9 days, and ChiisanaDiary fortnightly. Most recently, PositiveDiary was updated on September 9, 2026 and ChiisanaDiary on September 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.*