# Inkday vs PuffLog Diary

The clearest difference is price: Inkday at Free against PuffLog Diary's $2.99. Inkday also leads on update cadence (weekly vs every 3 weeks) and device support (4 vs 2). PuffLog Diary's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 18.0). On ads there is nothing between them.

Inkday is free to download; PuffLog Diary costs $2.99 up front. Inkday sells 3 in-app purchases, starting at $1.99 per month. PuffLog Diary asks for nothing beyond the download.

Inkday ships an update weekly, PuffLog Diary every 3 weeks. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Inkday | PuffLog Diary |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 23 MB | 85 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ChienHsiang Yin](https://appshunter.io/developer/1158778730) | [Chuang Yi Ting](https://appshunter.io/developer/1858853364) |

## What reviewers say

### Inkday

[App page](https://appshunter.io/ios/app/inkday-private-journal/id6797171199)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inkday Pro (Monthly) | $1.99 | per month |
| Inkday Pro (Yearly) | $7.99 | per year |
| Inkday Pro (Lifetime) | $14.99 | one-time |


### PuffLog Diary

[App page](https://appshunter.io/ios/app/pufflog-diary/id6797338481)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inkday free?

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

### Is PuffLog Diary free?

PuffLog Diary costs $2.99, with no in-app purchases.

### Do Inkday or PuffLog Diary have ads?

Neither Inkday nor PuffLog Diary shows ads.

### Which is updated more often, Inkday or PuffLog Diary?

Inkday ships an update weekly, and PuffLog Diary every 3 weeks. Most recently, Inkday was updated on November 1, 2026 and PuffLog Diary on October 28, 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.*