# BIG3 Note vs JiuFlow

The clearest difference is in-app purchases: BIG3 Note at none against JiuFlow's 2. BIG3 Note also leads on iOS requirement (12.0 vs 17.0). JiuFlow's advantage is device support. On price there is nothing between them.

Both are free to download. JiuFlow sells 2 in-app purchases, starting at $13.95 per month. BIG3 Note asks for nothing beyond the download.

## The numbers

| Metric | BIG3 Note | JiuFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 33 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Takumi Yoshikoshi](https://appshunter.io/developer/1655689141) | [Yuki Hamada](https://appshunter.io/developer/1819243205) |

## What reviewers say

### BIG3 Note

[App page](https://appshunter.io/ios/app/big3-note/id6444623881)

**In-app purchases:** none


### JiuFlow

[App page](https://appshunter.io/ios/app/jiuflow-bjj-technique-map/id6757831498)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JiuFlow Pro | $13.95 | per month |
| JiuFlow Black Belt | $35.95 | per month |


## Frequently asked questions

### Is BIG3 Note free?

BIG3 Note is free to download, with no in-app purchases.

### Is JiuFlow free?

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

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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.*