# Ultra Simple Diary — A diary you can actually keep

> A diary you can actually keep (iPhone/iPad app by shota suzuki.)

- Source: https://appshunter.io/ios/app/ultra-simple-diary/id6784051522 (this page in markdown: same URL + `.md`)
- Developer: [shota suzuki](https://appshunter.io/developer/1886413752)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 17 MB
- Languages: British English, French (France), Japanese, European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-07-03
- Data updated: 2026-07-21
- User reviews in markdown: https://appshunter.io/ios/app/ultra-simple-diary/id6784051522/reviews.md

## What is Ultra Simple Diary?

When choosing a diary app, simple is best.

That’s why we created a diary app that anyone can use with ease.

Ultra Simple Diary is a simple journaling app designed to be easy to keep using, even if you usually give up after a few days.
You can write a daily entry in just 1 to 3 minutes.

Quickly record what happened today in a short note.
Add a photo, choose your current mood, and automatically save the weather and temperature.

With the calendar view, you can easily look back on past entries and remember:

“What was I doing that day?”
“How was I feeling then?”

No account registration is required.
The app also includes a lock feature to protect your private diary, plus reminders to help you avoid forgetting to write.

You can also choose your theme color and diary font, making it feel like your own personal diary.

Main Features

・Simple diary entries you can write quickly
・Photo diary
・5-level mood tracking
・Automatic weather and temperature records
・Calendar view for looking back on entries
・Diary search
・Memo feature
・Tagged memos
・Reminder notifications to prevent missed entries
・Passcode lock
・Theme color customization
・Diary font customization
・Light mode / Dark mode support

Recommended For

・Anyone looking for a simple diary app
・People who often give up journaling after a few days
・People who want to record a little each day
・Anyone who wants to save memories with photos
・People who want to track moods and weather together
・Anyone who wants to lock their diary for peace of mind
・People who like a clean, easy-to-read diary that isn’t too cute
・Anyone who wants to use notes and a diary in one app

For parents, it’s a place to record your child’s growth and family memories.

For working adults, it’s a simple way to reflect on work, daily life, and your mood.

For students, it’s perfect for saving school life, study moments, and memories with friends.

With Ultra Simple Diary, you don’t need to write long entries.

Just one sentence, one photo, or one mood is enough to record your day.

Ultra Simple Diary is an easy diary app that fits into any kind of everyday life.

Start by downloading it today.

[About the Premium Plan]
Price: 300 yen per year (or equivalent local currency price in your region's App Store)
Duration: 1 year (Auto-renewal)
Payment will be charged to your Apple ID account at confirmation of purchase.
The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period.
Your account will be charged for renewal within 24 hours prior to the end of the current period.
You can manage your subscription and turn off auto-renewal by going to your App Store Account Settings after purchase.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://s2works.net/ultra_diary/index.html#Privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Service | $1.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium_service | $1.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-07-13

* Fixed an issue where the ad banner overlapped the bottom navigation menu, preventing users from operating it.
* Fixed an issue where photos were not transferred properly when restoring backup data on another device.

### 1.1 — 2026-07-07

- Fixed a bug related to retrieving weather information for diary entries on different dates.
- Added a photo cropping feature for Premium users, including scale and position adjustment.

### 1.0 — 2026-07-04

No release notes.

## More apps by shota suzuki

- [Bucket List　死ぬまでにやりたい100のこと](https://appshunter.io/ios/app/bucket-list-100/id6760827619)
- [STEPLY 子供のお小遣い・習慣管理](https://appshunter.io/ios/app/steply/id6765683976)
- [満員電車パズル トレインラッシュ](https://appshunter.io/ios/app/id6773556924)

All apps by shota suzuki: https://appshunter.io/developer/1886413752

## Related topics

[ultra simple diary](https://appshunter.io/ios/topics/ultra-simple-diary)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-21.*