# e勘察 vs CurtainBot

The clearest difference is update cadence: e勘察 at fortnightly against CurtainBot's every 2 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.

e勘察 ships an update fortnightly, CurtainBot every 2 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | e勘察 | CurtainBot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/curtainbot/id1669002829/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 45 MB | 69 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [China Jikan Research Institute Of Engineering Investigations And Design, Co., Lt d.](https://appshunter.io/developer/1606692541) | [Shenzhen Shenhuxi Illumination Co., Ltd](https://appshunter.io/developer/1669002831) |

## What reviewers say

### e勘察

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CurtainBot

[App page](https://appshunter.io/ios/app/curtainbot/id1669002829)

This app enables intelligent control of household curtains through a direct Wi-Fi connection. Users can remotely open and close curtains, set schedules, and utilize light sensors for automated operation. Voice control integration with smart speakers enhances convenience and modernizes home living.

**Highlights:** Remote curtain control, Scheduled operation, Light sensor automation, Voice command integration, Wi-Fi direct connection, Intelligent lifestyle enhancement

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is e勘察 free?

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

### Is CurtainBot free?

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

### Do e勘察 or CurtainBot have ads?

Neither e勘察 nor CurtainBot shows ads.

### Which is updated more often, e勘察 or CurtainBot?

e勘察 ships an update fortnightly, and CurtainBot every 2 months. Most recently, e勘察 was updated on September 9, 2026 and CurtainBot on September 8, 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.*