# 手机门禁卡 vs Centripetal force

The clearest difference is in-app purchases: Centripetal force at none against 手机门禁卡's 1. Centripetal force also leads on ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. 手机门禁卡 sells 1 one-off in-app purchase. Centripetal force asks for nothing beyond the download.

手机门禁卡 ships an update every 5 weeks, Centripetal force every 3 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 手机门禁卡 | Centripetal force |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/nfc-and-and-mfc/id6478453746/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 11 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Octopus Network](https://appshunter.io/developer/1561967214) | [Dhrishty Ghumar](https://appshunter.io/developer/1760664134) |

## What reviewers say

### 手机门禁卡

[App page](https://appshunter.io/ios/app/nfc-and-and-mfc/id6478453746)

This application allows users to read and write NFC cards, including access cards, public transport cards, and more. If your phone has NFC capabilities, you can easily open doors and manage access without carrying physical cards. It offers a smart and convenient solution for access control in communities and office buildings.

**Highlights:** Read and write NFC cards, Support for access cards, transit cards, citizen cards, Copy and read NFC tags, Write various information types (text, URLs, contacts), Smart access management

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent VIP | $2.99 | one-time |


### Centripetal force

[App page](https://appshunter.io/ios/app/centripetal-force/id6596785247)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 手机门禁卡 free?

手机门禁卡 is free to download, with in-app purchases available.

### Is Centripetal force free?

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

### Do 手机门禁卡 or Centripetal force have ads?

手机门禁卡 shows ads; Centripetal force does not.

### Which is updated more often, 手机门禁卡 or Centripetal force?

手机门禁卡 ships an update every 5 weeks, and Centripetal force every 3 days. Most recently, 手机门禁卡 was updated on October 12, 2026 and Centripetal force on October 16, 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.*