# CardJoin vs Kaibo Flow

The clearest difference is iOS requirement: CardJoin at 12.0 against Kaibo Flow's 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.

## The numbers

| Metric | CardJoin | Kaibo Flow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free |
| Size | 68 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yinbao Electronics (Shenzhen) Co., Ltd](https://appshunter.io/developer/1686285957) | [Chia Po Lee](https://appshunter.io/developer/1790796618) |

## What reviewers say

### CardJoin

[App page](https://appshunter.io/ios/app/cardjoin/id6448767669)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kaibo Flow

[App page](https://appshunter.io/ios/app/kaibo-flow/id6740609432)

This app manages Kaibo Flow bone conduction Bluetooth headphones, offering real-time battery status, connection control, and multi-device pairing. Customize your audio experience with EQ adjustments and ensure optimal performance through firmware updates.

**Highlights:** Headphone battery display, Connection management, Multi-device connectivity, EQ adjustment, Software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CardJoin free?

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

### Is Kaibo Flow free?

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

### Do CardJoin or Kaibo Flow have ads?

Neither CardJoin nor Kaibo Flow shows ads.

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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.*