# nikki vs Super Simple Diary

The clearest difference is iOS requirement: Super Simple Diary at 11.0 against nikki's 15.6. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. nikki sells 2 one-off in-app purchases and Super Simple Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for nikki against 5.0 for Super Simple Diary. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews are what separate them: 98% of nikki's written reviews are positive against 100% of Super Simple Diary's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | nikki | Super Simple Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/nikki-diary/id921470934/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/super-simple-diary-journal/id1635770040/reviews) |
| Number of ratings | 5 | **11** |
| Positive reviews | 98.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 56 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REVOLAB Inc.](https://appshunter.io/developer/575787284) | [Ryunosuke Nagase](https://appshunter.io/developer/1506451599) |

## What reviewers say

### nikki

[App page](https://appshunter.io/ios/app/nikki-diary/id921470934)

This app allows you to keep a private diary with rich media. You can add photos, take notes in a chat format, and use it as a planner. Security features include password and biometric locks, with customizable themes to personalize your journaling experience.

**Highlights:** Insert pictures into diary entries, Chat-style memo function, Use as a future date schedule book, Password and biometric app lock, Various fun stamps, Customizable timeline themes (Pinboard, List, Calendar)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 添付画像を10枚にUP | $2.99 | one-time |
| 広告非表示（広告を外す） | $7.99 | one-time |


### Super Simple Diary

[App page](https://appshunter.io/ios/app/super-simple-diary-journal/id1635770040)

Record your thoughts and memories with this straightforward journaling application. It allows you to attach multiple photos to entries and features a minimalist design to keep your focus. Your data is stored locally on your device, ensuring complete privacy.

**Highlights:** Simple writing and reading interface, Attach multiple pictures to entries, Minimalist and distraction-free design, Local data storage for privacy, User-friendly interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM - LIFETIME | $5.99 | one-time |


## Frequently asked questions

### Is nikki free?

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

### Is Super Simple Diary free?

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

### Which has better reviews, nikki or Super Simple Diary?

nikki and Super Simple Diary are both rated 5.0 out of 5 on the App Store, from 5 and 11 ratings respectively.

### Do nikki or Super Simple Diary have ads?

Both nikki and Super Simple Diary show ads.

### Which is updated more often, nikki or Super Simple Diary?

nikki ships an update every 2 months, and Super Simple Diary every 2 months. Most recently, nikki was updated on June 9, 2026 and Super Simple Diary 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.*