# 绿途 vs 擎天柱Cloud

The clearest difference is update cadence: 擎天柱Cloud at every 4 weeks against 绿途's every 3 months. 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.

绿途 ships an update every 3 months, 擎天柱Cloud every 4 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 绿途 | 擎天柱Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1435120781/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 86 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [greenvalley](https://appshunter.io/developer/1435120750) | [vanke](https://appshunter.io/developer/1245066763) |

## What reviewers say

### 绿途

[App page](https://appshunter.io/ios/app/id1435120781)

This system collects vegetation images nationwide through crowdsourcing and expert analysis. It aims to create a new generation of China's vegetation map at a 1:500,000 scale.

**Highlights:** Crowdsourced image collection, User tagging functionality, Expert interpretation, Nationwide vegetation data, Supports 1:500,000 vegetation map creation

**Features:** macOS Compatibility

**In-app purchases:** none


### 擎天柱Cloud

[App page](https://appshunter.io/ios/app/cloud/id1531318812)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 绿途 free?

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

### Is 擎天柱Cloud free?

擎天柱Cloud is free to download, with no in-app purchases.

### Do 绿途 or 擎天柱Cloud have ads?

Neither 绿途 nor 擎天柱Cloud shows ads.

### Which is updated more often, 绿途 or 擎天柱Cloud?

绿途 ships an update every 3 months, and 擎天柱Cloud every 4 weeks. Most recently, 绿途 was updated on October 2, 2026 and 擎天柱Cloud on October 11, 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.*