# BrainOpen vs 心钥·恋卡

The clearest difference is ads: BrainOpen at none against 心钥·恋卡's shown. BrainOpen also leads on iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. BrainOpen sells 1 in-app purchase, starting at $3.99 per month and 心钥·恋卡 sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | BrainOpen | 心钥·恋卡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | — |
| Size | 113 MB | 77 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [鞯 赵](https://appshunter.io/developer/1567856103) | [喜华 龚](https://appshunter.io/developer/1869169210) |

## What reviewers say

### BrainOpen

[App page](https://appshunter.io/ios/app/brainopen/id1624322578)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Monthly Card-Unlimited Chat | $3.99 | per month |


### 心钥·恋卡

[App page](https://appshunter.io/ios/app/id6758777217)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $3.99 | per month |


## Frequently asked questions

### Is BrainOpen free?

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

### Is 心钥·恋卡 free?

心钥·恋卡 is free to download, with in-app purchases available.

### Do BrainOpen or 心钥·恋卡 have ads?

心钥·恋卡 shows ads; BrainOpen does not.

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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.*