# B1 Courier vs J

The clearest difference is update cadence: B1 Courier at every 4 weeks against J's every 2 months. B1 Courier also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

B1 Courier ships an update every 4 weeks, J every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | B1 Courier | J |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Size | 44 MB | 75 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Beezone](https://appshunter.io/developer/1564873601) | [JUZ40 ONLINE, TOO](https://appshunter.io/developer/1833670091) |

## What reviewers say

### B1 Courier

[App page](https://appshunter.io/ios/app/b1-courier/id6593691676)

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

**In-app purchases:** none


### J

[App page](https://appshunter.io/ios/app/j-staff/id6754760953)

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

**In-app purchases:** none


## Frequently asked questions

### Is B1 Courier free?

B1 Courier is free to download, with no in-app purchases.

### Is J free?

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

### Do B1 Courier or J have ads?

Neither B1 Courier nor J shows ads.

### Which is updated more often, B1 Courier or J?

B1 Courier ships an update every 4 weeks, and J every 2 months. Most recently, B1 Courier was updated on November 4, 2026 and J on October 30, 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.*