# EV智联 vs 三元催化风向标

The clearest difference is in-app purchases: EV智联 at none against 三元催化风向标's 10. EV智联 also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 三元催化风向标 sells 10 one-off in-app purchases. EV智联 asks for nothing beyond the download.

EV智联 ships an update every 4 months, 三元催化风向标 every 2 months. The most recent releases landed on October 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | EV智联 | 三元催化风向标 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ev/id1481330762/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 116 MB | 35 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳联友科技有限公司](https://appshunter.io/developer/620236506) | [Shenzhen Youyu Technology Co., Ltd.](https://appshunter.io/developer/1190014252) |

## What reviewers say

### EV智联

[App page](https://appshunter.io/ios/app/ev/id1481330762)

This app provides electric vehicle owners with remote control and real-time monitoring of their car's status, including battery level, location, and health. It offers features like remote locking, horn activation, and destination sending for a more convenient and intelligent driving experience.

**Highlights:** Real-time vehicle status monitoring, Remote control of car functions, Destination sending to car navigation, Vehicle health checks, Arrival notifications, Smart car finding

**Features:** macOS Compatibility

**In-app purchases:** none


### 三元催化风向标

[App page](https://appshunter.io/ios/app/id1542725614)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus体验卡1天 | $3.99 | one-time |
| 初级 66次(3个月) | $19.99 | one-time |
| 初级 300次(1年) | $59.99 | one-time |
| 团队版(1个月) | $69.99 | one-time |
| 专业版Plus（2个月） | $99.99 | one-time |
| 团队版(2个月) | $129.99 | one-time |
| 专业版Plus（半年） | $249.99 | one-time |
| 团队版(半年) | $349.99 | one-time |
| 专业版Plus（1年） | $499.99 | one-time |
| 团队版（一年） | $599.99 | one-time |


## Frequently asked questions

### Is EV智联 free?

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

### Is 三元催化风向标 free?

三元催化风向标 is free to download, with in-app purchases available.

### Do EV智联 or 三元催化风向标 have ads?

三元催化风向标 shows ads; EV智联 does not.

### Which is updated more often, EV智联 or 三元催化风向标?

EV智联 ships an update every 4 months, and 三元催化风向标 every 2 months. Most recently, EV智联 was updated on October 1, 2026 and 三元催化风向标 on September 8, 2026.

---

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