# SFRacing vs DOWN噹

The clearest difference is update cadence: SFRacing at every 2 months against DOWN噹's every 7 months. DOWN噹's advantage is iOS requirement (10.0 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.

SFRacing ships an update every 2 months, DOWN噹 every 7 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SFRacing | DOWN噹 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/down/id1563626875/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | — | Free |
| Size | 24 MB | 52 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao MagicAir Intelligent Technology Company limited](https://appshunter.io/developer/1171164513) | [Shenzhen DEPCON Auto Electronic Technology Co.,Ltd.](https://appshunter.io/developer/1563626877) |

## What reviewers say

### SFRacing

[App page](https://appshunter.io/ios/app/sfracing/id1465677370)

**In-app purchases:** none


### DOWN噹

[App page](https://appshunter.io/ios/app/down/id1563626875)

Control your vehicle's air suspension system directly from your smartphone. Monitor air spring and tank pressure in real-time. Features a simplified interface for easy operation and supports multiple languages.

**Highlights:** Remote suspension control, Real-time air pressure monitoring, Independent display of four air springs, Air tank pressure display, Simplified user interface, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SFRacing free?

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

### Is DOWN噹 free?

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

### Do SFRacing or DOWN噹 have ads?

Neither SFRacing nor DOWN噹 shows ads.

### Which is updated more often, SFRacing or DOWN噹?

SFRacing ships an update every 2 months, and DOWN噹 every 7 months. Most recently, SFRacing was updated on October 1, 2026 and DOWN噹 on September 29, 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.*