# SuperMap iEarth vs 百城项管通

The clearest difference is update cadence: SuperMap iEarth at every 2 months against 百城项管通's every 20 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.

SuperMap iEarth ships an update every 2 months, 百城项管通 every 20 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SuperMap iEarth | 百城项管通 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/supermap-iearth/id1118236024/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | Free | — |
| Size | 423 MB | 33 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SuperMap Software Co., Ltd](https://appshunter.io/developer/548146502) | [斌 龚](https://appshunter.io/developer/738227514) |

## What reviewers say

### SuperMap iEarth

[App page](https://appshunter.io/ios/app/supermap-iearth/id1118236024)

Explore 3D models and annotate points of interest with custom icons and descriptions. Search for locations using online services and analyze routes between specified points, displaying results in a 3D environment.

**Highlights:** 3D model viewing, Point of interest annotation, Location search, Route analysis, 3D scene display

**In-app purchases:** none


### 百城项管通

[App page](https://appshunter.io/ios/app/id1596855876)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SuperMap iEarth free?

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

### Is 百城项管通 free?

百城项管通 is free to download, with no in-app purchases.

### Do SuperMap iEarth or 百城项管通 have ads?

Neither SuperMap iEarth nor 百城项管通 shows ads.

### Which is updated more often, SuperMap iEarth or 百城项管通?

SuperMap iEarth ships an update every 2 months, and 百城项管通 every 20 months. Most recently, SuperMap iEarth was updated on November 2, 2026 and 百城项管通 on October 27, 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.*