# Simple Diary vs CurtainOn

The clearest difference is update cadence: Simple Diary at every 2 days against CurtainOn's every 3 weeks. Simple Diary also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simple Diary ships an update every 2 days, CurtainOn every 3 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Simple Diary | CurtainOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/simple-diary-simplytoday/id6749193661/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 75 MB | 32 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sangwoo lee](https://appshunter.io/developer/1823386206) | [GOTOX KOREA CO., LTD.](https://appshunter.io/developer/1815636348) |

## What reviewers say

### Simple Diary

[App page](https://appshunter.io/ios/app/simple-diary-simplytoday/id6749193661)

Record your daily moments, thoughts, and moods in a private, minimalist journal. Add photos, track your emotions, and visualize your life with a calendar view. Secure your entries with a password and back them up to Google Drive.

**Highlights:** Simple daily journaling, Calendar view, Photo attachment, Privacy protection, Google Drive backup, Dark/Light modes, Font & reminder options

**In-app purchases:** none


### CurtainOn

[App page](https://appshunter.io/ios/app/curtainon/id6798960402)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Diary free?

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

### Is CurtainOn free?

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

### Do Simple Diary or CurtainOn have ads?

Neither Simple Diary nor CurtainOn shows ads.

### Which is updated more often, Simple Diary or CurtainOn?

Simple Diary ships an update every 2 days, and CurtainOn every 3 weeks. Most recently, Simple Diary was updated on October 28, 2026 and CurtainOn on October 29, 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.*