# KotonohaDiary vs Perfect Journal

The clearest difference is in-app purchases: KotonohaDiary at none against Perfect Journal's 3. Perfect Journal's advantage is update cadence (monthly vs every 6 months) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Perfect Journal sells 3 in-app purchases, starting at $0.49 per month. KotonohaDiary asks for nothing beyond the download.

KotonohaDiary ships an update every 6 months, Perfect Journal monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | KotonohaDiary | Perfect Journal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stargazer Information Inc.](https://appshunter.io/developer/1827860520) | [Kouichi Abe](https://appshunter.io/developer/295852950) |

## What reviewers say

### KotonohaDiary

[App page](https://appshunter.io/ios/app/kotonohadiary/id1273593816)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perfect Journal

[App page](https://appshunter.io/ios/app/perfect-journal/id1460577819)

A simple yet powerful diary app for daily event recording. It allows users to attach multiple photos, record voice notes, tag entries, and manage cash flow. Security features like passcode and biometric locks are included for privacy.

**Highlights:** Attach multiple photos, 60-second voice notes, Tagging/Labeling, Location recording, Cashflow management, Passcode & biometric lock, Intuitive tap-only UI

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hamster | $0.49 | per month |
| Turtle | $4.49 | per year |
| Phoenix | $12.99 | one-time |


## Frequently asked questions

### Is KotonohaDiary free?

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

### Is Perfect Journal free?

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

### Do KotonohaDiary or Perfect Journal have ads?

Neither KotonohaDiary nor Perfect Journal shows ads.

### Which is updated more often, KotonohaDiary or Perfect Journal?

KotonohaDiary ships an update every 6 months, and Perfect Journal monthly. Most recently, KotonohaDiary was updated on November 3, 2026 and Perfect Journal on November 3, 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.*