# FAST智能预警 vs JACK MES

The clearest difference is ads: JACK MES at none against FAST智能预警's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | FAST智能预警 | JACK MES |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 74 MB | 36 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州山科智能科技股份有限公司](https://appshunter.io/developer/1785810006) | [杰克科技股份有限公司](https://appshunter.io/developer/1818711801) |

## What reviewers say

### FAST智能预警

[App page](https://appshunter.io/ios/app/fast/id1668965595)

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

**In-app purchases:** none


### JACK MES

[App page](https://appshunter.io/ios/app/jack-mes/id6773618233)

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

**In-app purchases:** none


## Frequently asked questions

### Is FAST智能预警 free?

FAST智能预警 is free to download, with no in-app purchases.

### Is JACK MES free?

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

### Do FAST智能预警 or JACK MES have ads?

FAST智能预警 shows ads; JACK MES does not.

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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.*