# Eden Select (S) vs 嗒上车

The clearest difference is update cadence: Eden Select (S) at every 6 weeks against 嗒上车's every 3 months. 嗒上车's advantage is iOS requirement (11.0 vs 13.0). 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.

Eden Select (S) ships an update every 6 weeks, 嗒上车 every 3 months. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Eden Select (S) | 嗒上车 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eden-select-s/id627365007/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 45 MB | 77 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Far East Group Ltd](https://appshunter.io/developer/627365050) | [Guangdong Province Link To Car IoT Technology Co., Ltd.](https://appshunter.io/developer/1405951980) |

## What reviewers say

### Eden Select (S)

[App page](https://appshunter.io/ios/app/eden-select-s/id627365007)

This professional HVAC engineering tool helps users perform heat load calculations, select cold rooms, and choose appropriate equipment for refrigeration projects. It provides various references and calculations for freezing times and operational loads, generating printable PDF summaries.

**Highlights:** Heat load calculation (cold room, product, infiltration), Food heat load references, Freezing time calculation, Total operation load calculation, Unit cooler/Evaporator selection, Compressor selection, Condenser selection, Printable PDF summary

**Features:** macOS Compatibility

**In-app purchases:** none


### 嗒上车

[App page](https://appshunter.io/ios/app/id1405951981)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eden Select (S) free?

Eden Select (S) is free to download, with no in-app purchases.

### Is 嗒上车 free?

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

### Do Eden Select (S) or 嗒上车 have ads?

Neither Eden Select (S) nor 嗒上车 shows ads.

### Which is updated more often, Eden Select (S) or 嗒上车?

Eden Select (S) ships an update every 6 weeks, and 嗒上车 every 3 months. Most recently, Eden Select (S) was updated on June 11, 2026 and 嗒上车 on September 17, 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.*