# HAA車輛拍賣 vs SUM 汽車網

The clearest difference is iOS requirement: SUM 汽車網 at 12.0 against HAA車輛拍賣's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

HAA車輛拍賣 ships an update fortnightly, SUM 汽車網 every 3 weeks. The most recent releases landed on September 8, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | HAA車輛拍賣 | SUM 汽車網 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 25 MB | 43 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [和運租車股份有限公司](https://appshunter.io/developer/860552251) | [eCBO Information Services Co.,Ltd.](https://appshunter.io/developer/448261969) |

## What reviewers say

### HAA車輛拍賣

[App page](https://appshunter.io/ios/app/haa/id1456262495)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUM 汽車網

[App page](https://appshunter.io/ios/app/sum/id1551594067)

This platform connects users with Taiwan's largest used car business network. It offers features like point rewards, exclusive member discounts, purchase history tracking, loan payments, and online service appointment booking.

**Highlights:** Membership rewards and point redemption, Exclusive member discounts, Purchase and maintenance history, Online loan payment, Service appointment booking

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

**In-app purchases:** none


## Frequently asked questions

### Is HAA車輛拍賣 free?

HAA車輛拍賣 is free to download, with no in-app purchases.

### Is SUM 汽車網 free?

SUM 汽車網 is free to download, with no in-app purchases.

### Do HAA車輛拍賣 or SUM 汽車網 have ads?

Neither HAA車輛拍賣 nor SUM 汽車網 shows ads.

### Which is updated more often, HAA車輛拍賣 or SUM 汽車網?

HAA車輛拍賣 ships an update fortnightly, and SUM 汽車網 every 3 weeks. Most recently, HAA車輛拍賣 was updated on September 8, 2026 and SUM 汽車網 on June 8, 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.*