# Blupaper vs KaoJai admin

The clearest difference is in-app purchases: KaoJai admin at none against Blupaper's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blupaper sells 1 in-app purchase, starting at $219.00 per year. KaoJai admin asks for nothing beyond the download.

Blupaper ships an update every 9 days, KaoJai admin weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Blupaper | KaoJai admin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 92 MB | 24 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [i3 Gateway Company Limited](https://appshunter.io/developer/1447833471) | [OK PRODUCTION COMPANY LIMITED](https://appshunter.io/developer/6785105705) |

## What reviewers say

### Blupaper

[App page](https://appshunter.io/ios/app/blupaper/id6751932451)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 ปี | $219.00 | per year |


### KaoJai admin

[App page](https://appshunter.io/ios/app/kaojai-admin/id6785105492)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blupaper free?

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

### Is KaoJai admin free?

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

### Do Blupaper or KaoJai admin have ads?

Neither Blupaper nor KaoJai admin shows ads.

### Which is updated more often, Blupaper or KaoJai admin?

Blupaper ships an update every 9 days, and KaoJai admin weekly. Most recently, Blupaper was updated on October 10, 2026 and KaoJai admin on October 9, 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.*