# NFC读写器 vs 共墨：多人实时协作白板

The clearest difference is update cadence: 共墨：多人实时协作白板 at every 2 days against NFC读写器's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NFC读写器 sells 1 one-off in-app purchase and 共墨：多人实时协作白板 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

NFC读写器 ships an update every 3 months, 共墨：多人实时协作白板 every 2 days. The most recent releases landed on September 6, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | NFC读写器 | 共墨：多人实时协作白板 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/nfc-nfc/id6469587458/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 29 MB | 25 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [华龙 滕](https://appshunter.io/developer/1694015565) | [林 周](https://appshunter.io/developer/6791439340) |

## What reviewers say

### NFC读写器

[App page](https://appshunter.io/ios/app/nfc-nfc/id6469587458)

This tool allows you to read and copy NFC card information quickly. It also includes a toolbox for creating QR codes and taking notes.

**Highlights:** Read NFC card information, Copy NFC card information, Create QR codes, Record memos

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| nfc会员 | $2.99 | one-time |


### 共墨：多人实时协作白板

[App page](https://appshunter.io/ios/app/id6794896525)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InkTwine Pro Monthly | $1.99 | per month |
| InkTwine Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is NFC读写器 free?

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

### Is 共墨：多人实时协作白板 free?

共墨：多人实时协作白板 is free to download, with in-app purchases available.

### Do NFC读写器 or 共墨：多人实时协作白板 have ads?

Neither NFC读写器 nor 共墨：多人实时协作白板 shows ads.

### Which is updated more often, NFC读写器 or 共墨：多人实时协作白板?

NFC读写器 ships an update every 3 months, and 共墨：多人实时协作白板 every 2 days. Most recently, NFC读写器 was updated on September 6, 2026 and 共墨：多人实时协作白板 on September 12, 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.*