# Diary Notes vs Data Display

The clearest difference is iOS requirement: Data Display at 18.6 against Diary Notes's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Diary Notes sells 1 in-app purchase, starting at $0.99 per month and Data Display sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Diary Notes ships an update every 4 days, Data Display weekly. The most recent releases landed on September 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Diary Notes | Data Display |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 173 MB | 6 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [tadahiro mori](https://appshunter.io/developer/1541301326) | [masaki individual](https://appshunter.io/developer/376549555) |

## What reviewers say

### Diary Notes

[App page](https://appshunter.io/ios/app/diary-notes-handwritten/id6479974763)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $0.99 | per month |


### Data Display

[App page](https://appshunter.io/ios/app/data-display/id6608963214)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10,000 Monthly Requests | $0.49 | per month |
| 20,000 Monthly Requests | $3.99 | per month |
| 30,000 Monthly Requests | $5.99 | per month |


## Frequently asked questions

### Is Diary Notes free?

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

### Is Data Display free?

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

### Do Diary Notes or Data Display have ads?

Neither Diary Notes nor Data Display shows ads.

### Which is updated more often, Diary Notes or Data Display?

Diary Notes ships an update every 4 days, and Data Display weekly. Most recently, Diary Notes was updated on September 7, 2026 and Data Display on September 24, 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.*