# Lumina开单 vs B2B Direct

The clearest difference is update cadence: Lumina开单 at every 3 days against B2B Direct's every 9 days. Lumina开单 also leads on iOS requirement (12.0 vs 15.0). 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.

Lumina开单 ships an update every 3 days, B2B Direct every 9 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Lumina开单 | B2B Direct |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 27 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [展联软件](https://appshunter.io/developer/1033813531) | [WYNIE HOLDINGS SA](https://appshunter.io/developer/6787020407) |

## What reviewers say

### Lumina开单

[App page](https://appshunter.io/ios/app/lumina/id6739448389)

**Features:** macOS Compatibility

**In-app purchases:** none


### B2B Direct

[App page](https://appshunter.io/ios/app/b2b-direct/id6787020405)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumina开单 free?

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

### Is B2B Direct free?

B2B Direct is free to download, with no in-app purchases.

### Do Lumina开单 or B2B Direct have ads?

Neither Lumina开单 nor B2B Direct shows ads.

### Which is updated more often, Lumina开单 or B2B Direct?

Lumina开单 ships an update every 3 days, and B2B Direct every 9 days. Most recently, Lumina开单 was updated on October 15, 2026 and B2B Direct on October 15, 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.*