# 车300专业版 vs BomAssistant

The clearest difference is update cadence: BomAssistant at every 2 days against 车300专业版's monthly. 车300专业版's advantage is iOS requirement (13.0 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.

车300专业版 ships an update monthly, BomAssistant every 2 days. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 车300专业版 | BomAssistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (100 ratings)](https://appshunter.io/ios/app/300/id1183699675/reviews)** | — |
| Number of ratings | **100** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 177 MB | 56 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [南京三百云信息科技有限公司](https://appshunter.io/developer/950202394) | [克俊 张](https://appshunter.io/developer/1168250350) |

## What reviewers say

### 车300专业版

[App page](https://appshunter.io/ios/app/300/id1183699675)

Access a comprehensive platform for vehicle condition assessment, pricing, and maintenance records. This app offers tools for parts lookup, fault code diagnosis, and VIN scanning for accurate vehicle identification and valuation. It also facilitates peer-to-peer wholesale transactions and industry networking.

**Highlights:** Vehicle condition assessment, Accurate pricing tools, Maintenance and accident record lookup, VIN scanning for vehicle identification, Automotive parts EPC query, Peer-to-peer wholesale marketplace, Industry news and networking

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

**In-app purchases:** none


### BomAssistant

[App page](https://appshunter.io/ios/app/bomassistant/id6451408344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 车300专业版 free?

车300专业版 is free to download, with no in-app purchases.

### Is BomAssistant free?

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

### Do 车300专业版 or BomAssistant have ads?

Neither 车300专业版 nor BomAssistant shows ads.

### Which is updated more often, 车300专业版 or BomAssistant?

车300专业版 ships an update monthly, and BomAssistant every 2 days. Most recently, 车300专业版 was updated on September 28, 2026 and BomAssistant on September 25, 2026.

---

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