# CurtainBot vs Visual Displacement Meter

The clearest difference is update cadence: Visual Displacement Meter at fortnightly against CurtainBot's every 2 months. CurtainBot's advantage is iOS requirement (13.0 vs 15.0). 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.

CurtainBot ships an update every 2 months, Visual Displacement Meter fortnightly. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CurtainBot | Visual Displacement Meter |
| --- | --- | --- |
| 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 | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 69 MB | 59 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shenhuxi Illumination Co., Ltd](https://appshunter.io/developer/1669002831) | [Inteagle Information Technology(Dongguan) Co., Ltd.](https://appshunter.io/developer/1720865930) |

## What reviewers say

### 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


### Visual Displacement Meter

[App page](https://appshunter.io/ios/app/visual-displacement-meter/id6749835043)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CurtainBot free?

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

### Is Visual Displacement Meter free?

Visual Displacement Meter is free to download, with no in-app purchases.

### Do CurtainBot or Visual Displacement Meter have ads?

Neither CurtainBot nor Visual Displacement Meter shows ads.

### Which is updated more often, CurtainBot or Visual Displacement Meter?

CurtainBot ships an update every 2 months, and Visual Displacement Meter fortnightly. Most recently, CurtainBot was updated on November 3, 2026 and Visual Displacement Meter on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*