# ArcNFC vs LingGrid

The clearest difference is update cadence: LingGrid at every 9 days against ArcNFC's every 5 months. ArcNFC's advantage is iOS requirement (15.0 vs 17.0). 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.

ArcNFC ships an update every 5 months, LingGrid every 9 days. The most recent releases landed on September 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ArcNFC | LingGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linggrid/id6774998894/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 14 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [西恩 解](https://appshunter.io/developer/379647143) | [华明 罗](https://appshunter.io/developer/1670053427) |

## What reviewers say

### ArcNFC

[App page](https://appshunter.io/ios/app/arcnfc-nfc-tag-read-write-tool/id796319760)

**Features:** macOS Compatibility

**In-app purchases:** none


### LingGrid

[App page](https://appshunter.io/ios/app/linggrid/id6774998894)

This app provides a secure digital backup for physical dynamic password cards used for the Jiangsu Gaokao. It allows users to scan or import card images, save encrypted data locally, and quickly look up codes by selecting coordinates. Designed to reduce stress during critical post-exam processes.

**Highlights:** Scan physical password cards, Import photos from album, Recognize 8x8 password grid, Save encrypted data locally, Quick code lookup by coordinates, Digital backup for password cards

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

**In-app purchases:** none


## Frequently asked questions

### Is ArcNFC free?

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

### Is LingGrid free?

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

### Do ArcNFC or LingGrid have ads?

Neither ArcNFC nor LingGrid shows ads.

### Which is updated more often, ArcNFC or LingGrid?

ArcNFC ships an update every 5 months, and LingGrid every 9 days. Most recently, ArcNFC was updated on September 25, 2026 and LingGrid on October 8, 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.*