# 易勘通 vs e勘察

The clearest difference is update cadence: e勘察 at fortnightly against 易勘通's monthly. 易勘通's advantage is iOS requirement (10.0 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.

易勘通 ships an update monthly, e勘察 fortnightly. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 易勘通 | e勘察 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 38 MB | 45 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Surveying-Geotechnical Research Institute CO.LTD Of MCC](https://appshunter.io/developer/1524725347) | [China Jikan Research Institute Of Engineering Investigations And Design, Co., Lt d.](https://appshunter.io/developer/1606692541) |

## What reviewers say

### 易勘通

[App page](https://appshunter.io/ios/app/id1529065275)

**Features:** macOS Compatibility

**In-app purchases:** none


### e勘察

[App page](https://appshunter.io/ios/app/e/id1606692539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 易勘通 free?

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

### Is e勘察 free?

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

### Do 易勘通 or e勘察 have ads?

Neither 易勘通 nor e勘察 shows ads.

### Which is updated more often, 易勘通 or e勘察?

易勘通 ships an update monthly, and e勘察 fortnightly. Most recently, 易勘通 was updated on September 7, 2026 and e勘察 on September 9, 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.*