# IZA vs 100 Year Diary Journal

The clearest difference is in-app purchases: IZA at none against 100 Year Diary Journal's 11. IZA also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). 100 Year Diary Journal's advantage is update cadence (every 3 days vs every 24 months). On price and device support there is nothing between them.

Both are free to download. 100 Year Diary Journal sells 11 in-app purchases, starting at $1.99 per month. IZA asks for nothing beyond the download.

IZA ships an update every 24 months, 100 Year Diary Journal every 3 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IZA | 100 Year Diary Journal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 3 days** |
| Size | 3 MB | 63 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [HARUKARY](https://appshunter.io/developer/1854608510) |

## What reviewers say

### IZA

[App page](https://appshunter.io/ios/app/iza/id986322369)

**In-app purchases:** none


### 100 Year Diary Journal

[App page](https://appshunter.io/ios/app/100-year-diary-journal/id6778656624)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme Pass Monthly | $1.99 | per month |
| Theme Pass Yearly | $19.99 | per year |
| Seaside Notebook | $3.99 | one-time |
| Night Notebook | $3.99 | one-time |
| Washi | $3.99 | one-time |
| Botanical Year | $3.99 | one-time |
| Germany Journey | $3.99 | one-time |
| Cafe Hours | $3.99 | one-time |
| Japan Journey | $3.99 | one-time |
| Italy Journey | $3.99 | one-time |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is IZA free?

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

### Is 100 Year Diary Journal free?

100 Year Diary Journal is free to download, with in-app purchases available.

### Do IZA or 100 Year Diary Journal have ads?

100 Year Diary Journal shows ads; IZA does not.

### Which is updated more often, IZA or 100 Year Diary Journal?

IZA ships an update every 24 months, and 100 Year Diary Journal every 3 days. Most recently, IZA was updated on October 26, 2026 and 100 Year Diary Journal on October 31, 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.*