# JiuFlow vs RollQuant

The clearest difference is in-app purchases: RollQuant at none against JiuFlow's 2. On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JiuFlow | RollQuant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 6 MB | 37 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Hamada](https://appshunter.io/developer/1819243205) | [sho morimoto](https://appshunter.io/developer/1806275336) |

## What reviewers say

### 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 |


### RollQuant

[App page](https://appshunter.io/ios/app/rollquant/id6775637350)

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

**In-app purchases:** none


## Frequently asked questions

### Is JiuFlow free?

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

### Is RollQuant free?

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

### Do JiuFlow or RollQuant have ads?

Neither JiuFlow nor RollQuant shows ads.

### Which is updated more often, JiuFlow or RollQuant?

JiuFlow ships an update monthly, and RollQuant monthly. Most recently, JiuFlow was updated on November 9, 2026 and RollQuant on November 5, 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.*