# HAT vs NPY Charger

The clearest difference is update cadence: HAT at every 4 weeks against NPY Charger's every 2 months. HAT also leads on iOS requirement (11.0 vs 13.0). 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.

HAT ships an update every 4 weeks, NPY Charger every 2 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | HAT | NPY Charger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Size | 55 MB | 25 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [hikvision](https://appshunter.io/developer/1222251068) | [正浩 刘](https://appshunter.io/developer/1735517939) |

## What reviewers say

### HAT

[App page](https://appshunter.io/ios/app/hat-adas/id1491303842)

**Features:** macOS Compatibility

**In-app purchases:** none


### NPY Charger

[App page](https://appshunter.io/ios/app/npy-charger/id6479341516)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HAT free?

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

### Is NPY Charger free?

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

### Do HAT or NPY Charger have ads?

Neither HAT nor NPY Charger shows ads.

### Which is updated more often, HAT or NPY Charger?

HAT ships an update every 4 weeks, and NPY Charger every 2 months. Most recently, HAT was updated on September 17, 2026 and NPY Charger on September 23, 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.*