# LIOT vs FAST智能预警

The clearest difference is ads: LIOT at none against FAST智能预警's shown. FAST智能预警's advantage is update cadence (monthly vs every 9 months). 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.

LIOT ships an update every 9 months, FAST智能预警 monthly. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | LIOT | FAST智能预警 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Monthly** |
| Size | 49 MB | 74 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [快意电梯股份有限公司](https://appshunter.io/developer/1449450831) | [杭州山科智能科技股份有限公司](https://appshunter.io/developer/1785810006) |

## What reviewers say

### LIOT

[App page](https://appshunter.io/ios/app/liot/id1450721327)

**Features:** macOS Compatibility

**In-app purchases:** none


### FAST智能预警

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

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

**In-app purchases:** none


## Frequently asked questions

### Is LIOT free?

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

### Is FAST智能预警 free?

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

### Do LIOT or FAST智能预警 have ads?

FAST智能预警 shows ads; LIOT does not.

### Which is updated more often, LIOT or FAST智能预警?

LIOT ships an update every 9 months, and FAST智能预警 monthly. Most recently, LIOT was updated on October 26, 2026 and FAST智能预警 on October 5, 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.*