# NoteSphere vs Nikki

The clearest difference is in-app purchases: NoteSphere at none against Nikki's 2. NoteSphere also leads on iOS requirement (12.0 vs 15.1). Nikki's advantage is ads (none vs shown) and update cadence (daily vs every 9 days). On price and device support there is nothing between them.

Both are free to download. Nikki sells 2 in-app purchases, starting at $4.99 per month. NoteSphere asks for nothing beyond the download.

NoteSphere ships an update every 9 days, Nikki daily. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | NoteSphere | Nikki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Daily** |
| Size | 35 MB | 46 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi Miyakoshi](https://appshunter.io/developer/1769350603) | [TARO KATSUKI](https://appshunter.io/developer/1896292467) |

## What reviewers say

### NoteSphere

[App page](https://appshunter.io/ios/app/notesphere/id6753328778)

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

**In-app purchases:** none


### Nikki

[App page](https://appshunter.io/ios/app/nikki-microblog-diary/id6766469454)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nikki Plus Monthly | $4.99 | per month |
| Nikki Plus Yearly | $44.99 | per year |


## Frequently asked questions

### Is NoteSphere free?

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

### Is Nikki free?

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

### Do NoteSphere or Nikki have ads?

NoteSphere shows ads; Nikki does not.

### Which is updated more often, NoteSphere or Nikki?

NoteSphere ships an update every 9 days, and Nikki daily. Most recently, NoteSphere was updated on October 9, 2026 and Nikki on October 18, 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.*