# sobolo vs Writeblock

The clearest difference is ads: Writeblock at none against sobolo's shown. Writeblock also leads on update cadence (every 2 months vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. sobolo sells 3 one-off in-app purchases and Writeblock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

sobolo ships an update every 10 months, Writeblock every 2 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | sobolo | Writeblock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 59 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEJIN PARK](https://appshunter.io/developer/1571443134) | [sumin lee](https://appshunter.io/developer/1885447953) |

## What reviewers say

### sobolo

[App page](https://appshunter.io/ios/app/sobolo-note-and-diary/id6739229779)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.49 | one-time |
| Split Frames | $0.49 | one-time |
| No Limits | $0.49 | one-time |


### Writeblock

[App page](https://appshunter.io/ios/app/writeblock/id6760636756)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 앱잠금 영구 해제 | $9.99 | one-time |


## Frequently asked questions

### Is sobolo free?

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

### Is Writeblock free?

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

### Do sobolo or Writeblock have ads?

sobolo shows ads; Writeblock does not.

### Which is updated more often, sobolo or Writeblock?

sobolo ships an update every 10 months, and Writeblock every 2 months. Most recently, sobolo was updated on September 26, 2026 and Writeblock on September 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.*