# 大华一卡通 vs Noahs

The clearest difference is iOS requirement: 大华一卡通 at 9.0 against Noahs's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

大华一卡通 ships an update every 2 months, Noahs monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 大华一卡通 | Noahs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 6 MB | 67 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Zhejiang Dahua Vision Technology Co.,Ltd.](https://appshunter.io/developer/1490059642) | [Kavin Nitasnajarukul](https://appshunter.io/developer/1469331007) |

## What reviewers say

### 大华一卡通

[App page](https://appshunter.io/ios/app/id1434179432)

**Features:** macOS Compatibility

**In-app purchases:** none


### Noahs

[App page](https://appshunter.io/ios/app/noahs/id1644602740)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 大华一卡通 free?

大华一卡通 is free to download, with no in-app purchases.

### Is Noahs free?

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

### Do 大华一卡通 or Noahs have ads?

Neither 大华一卡通 nor Noahs shows ads.

### Which is updated more often, 大华一卡通 or Noahs?

大华一卡通 ships an update every 2 months, and Noahs monthly. Most recently, 大华一卡通 was updated on November 2, 2026 and Noahs on November 3, 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.*