# 润A+ vs EcoTrac

润A+ and EcoTrac are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

润A+ ships an update every 5 weeks, EcoTrac every 3 weeks. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 润A+ | EcoTrac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 120 MB | 43 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [光涛 戴](https://appshunter.io/developer/1509681686) | [Maxim Smart Manufacturing Co., Ltd](https://appshunter.io/developer/1544401850) |

## What reviewers say

### 润A+

[App page](https://appshunter.io/ios/app/a-plus/id1510666891)

**In-app purchases:** none


### EcoTrac

[App page](https://appshunter.io/ios/app/ecotrac/id1544401848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 润A+ free?

润A+ is free to download, with no in-app purchases.

### Is EcoTrac free?

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

### Do 润A+ or EcoTrac have ads?

Neither 润A+ nor EcoTrac shows ads.

### Which is updated more often, 润A+ or EcoTrac?

润A+ ships an update every 5 weeks, and EcoTrac every 3 weeks. Most recently, 润A+ was updated on September 29, 2026 and EcoTrac 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.*