# ATW DBG vs zf

The clearest difference is update cadence: zf at every 4 weeks against ATW DBG's every 4 months. ATW DBG's advantage is iOS requirement (12.0 vs 16.0). 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.

ATW DBG ships an update every 4 months, zf every 4 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | ATW DBG | zf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 32 MB | 225 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [召 李](https://appshunter.io/developer/1740123808) | [Wuxi Aixin Technology Co., Ltd.](https://appshunter.io/developer/1630886255) |

## What reviewers say

### ATW DBG

[App page](https://appshunter.io/ios/app/atw-dbg/id6740770057)

**Features:** macOS Compatibility

**In-app purchases:** none


### zf

[App page](https://appshunter.io/ios/app/zf-smart/id6761184731)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATW DBG free?

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

### Is zf free?

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

### Do ATW DBG or zf have ads?

Neither ATW DBG nor zf shows ads.

### Which is updated more often, ATW DBG or zf?

ATW DBG ships an update every 4 months, and zf every 4 weeks. Most recently, ATW DBG was updated on October 30, 2026 and zf on November 9, 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.*