# RacerSmart Pro vs D

The clearest difference is update cadence: RacerSmart Pro at every 3 days against D's monthly. RacerSmart Pro also leads on iOS requirement (11.0 vs 15.0). 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.

RacerSmart Pro ships an update every 3 days, D monthly. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RacerSmart Pro | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free | — |
| Size | 9 MB | 50 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [丽光 陈](https://appshunter.io/developer/1356917273) | [DAIDO KOGYO CO., LTD.](https://appshunter.io/developer/1657587283) |

## What reviewers say

### RacerSmart Pro

[App page](https://appshunter.io/ios/app/racersmart-pro/id1495582722)

Control Bluetooth lights by scanning and registering devices. This app allows you to specify which devices to manage for lighting control.

**Highlights:** Bluetooth device scanning, Device registration, Specify controlled devices, Light control functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-live/id6444879160)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RacerSmart Pro free?

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

### Is D free?

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

### Do RacerSmart Pro or D have ads?

Neither RacerSmart Pro nor D shows ads.

### Which is updated more often, RacerSmart Pro or D?

RacerSmart Pro ships an update every 3 days, and D monthly. Most recently, RacerSmart Pro was updated on October 14, 2026 and D on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*