# J vs NovaFlow Pass

The clearest difference is in-app purchases: J at none against NovaFlow Pass's 4. J also leads on iOS requirement (8.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NovaFlow Pass sells 4 in-app purchases, starting at $0.99 per month. J asks for nothing beyond the download.

J ships an update every 10 months, NovaFlow Pass every 6 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | J | NovaFlow Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 79 MB | 133 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Xunzhong Communication Technology Co., Ltd.](https://appshunter.io/developer/821439465) | [海瑞 束](https://appshunter.io/developer/1618207642) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-rooms-controller/id1536553888)

**In-app purchases:** none


### NovaFlow Pass

[App page](https://appshunter.io/ios/app/novaflow-pass/id6478474020)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 连续包季 | $2.99 | per 3 months |
| 连续包年 | $9.99 | per year |
| 专业版 | $9.99 | one-time |


## Frequently asked questions

### Is J free?

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

### Is NovaFlow Pass free?

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

### Do J or NovaFlow Pass have ads?

Neither J nor NovaFlow Pass shows ads.

### Which is updated more often, J or NovaFlow Pass?

J ships an update every 10 months, and NovaFlow Pass every 6 months. Most recently, J was updated on October 27, 2026 and NovaFlow Pass on October 25, 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.*