# 清心专注 vs NFC

The clearest difference is in-app purchases: 清心专注 at none against NFC's 1. 清心专注 also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NFC sells 1 in-app purchase, starting at $3.99 per 7 days. 清心专注 asks for nothing beyond the download.

清心专注 ships an update fortnightly, NFC every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 清心专注 | NFC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 18 MB | 33 MB |
| Requires iOS | 14 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [江阴众信网络科技有限公司](https://appshunter.io/developer/1159700892) | [卓琦 邓](https://appshunter.io/developer/1733484557) |

## What reviewers say

### 清心专注

[App page](https://appshunter.io/ios/app/id6742172212)

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

**In-app purchases:** none


### NFC

[App page](https://appshunter.io/ios/app/nfc/id6742599073)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级周卡 | $3.99 | per 7 days |


## Frequently asked questions

### Is 清心专注 free?

清心专注 is free to download, with no in-app purchases.

### Is NFC free?

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

### Do 清心专注 or NFC have ads?

NFC shows ads; 清心专注 does not.

### Which is updated more often, 清心专注 or NFC?

清心专注 ships an update fortnightly, and NFC every 3 months. Most recently, 清心专注 was updated on October 30, 2026 and NFC on October 28, 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.*