# ZKL Bluetooth vs 礼往来

The clearest difference is in-app purchases: ZKL Bluetooth at none against 礼往来's 1. ZKL Bluetooth also leads on iOS requirement (13.0 vs 17.6). 礼往来's advantage is update cadence (every 4 days vs every 11 days). On price, ads and device support there is nothing between them.

Both are free to download. 礼往来 sells 1 one-off in-app purchase. ZKL Bluetooth asks for nothing beyond the download.

ZKL Bluetooth ships an update every 11 days, 礼往来 every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ZKL Bluetooth | 礼往来 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Size | 33 MB | 57 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [仕坤 张](https://appshunter.io/developer/1831146182) | [德旭 孟](https://appshunter.io/developer/6790236939) |

## What reviewers say

### ZKL Bluetooth

[App page](https://appshunter.io/ios/app/zkl-bluetooth/id6762439623)

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

**In-app purchases:** none


### 礼往来

[App page](https://appshunter.io/ios/app/id6790432275)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 礼往来 Pro 永久版 | $3.99 | one-time |


## Frequently asked questions

### Is ZKL Bluetooth free?

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

### Is 礼往来 free?

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

### Do ZKL Bluetooth or 礼往来 have ads?

Neither ZKL Bluetooth nor 礼往来 shows ads.

### Which is updated more often, ZKL Bluetooth or 礼往来?

ZKL Bluetooth ships an update every 11 days, and 礼往来 every 4 days. Most recently, ZKL Bluetooth was updated on October 31, 2026 and 礼往来 on October 31, 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.*