# Curtain time vs SmartDawn

The clearest difference is update cadence: Curtain time at every 9 days against SmartDawn's every 2 months. Curtain time also leads on iOS requirement (12.0 vs 15.6). 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.

Curtain time ships an update every 9 days, SmartDawn every 2 months. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Curtain time | SmartDawn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (40 ratings)](https://appshunter.io/ios/app/smartdawn/id6749049089/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 4.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free |
| Size | 115 MB | 44 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iFist.Tech Co.,Ltd.](https://appshunter.io/developer/1742414574) | [Hangzhou Daniao Technology Co., Ltd](https://appshunter.io/developer/1484018559) |

## What reviewers say

### Curtain time

[App page](https://appshunter.io/ios/app/curtain-time/id6739138902)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartDawn

[App page](https://appshunter.io/ios/app/smartdawn/id6749049089)

This application offers intelligent, point-controlled color light management. It allows users to create dreamy lighting environments.

**Highlights:** Intelligent light management, Point-controlled color lighting, Dreamy color creation, Ambient lighting control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Curtain time free?

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

### Is SmartDawn free?

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

### Do Curtain time or SmartDawn have ads?

Neither Curtain time nor SmartDawn shows ads.

### Which is updated more often, Curtain time or SmartDawn?

Curtain time ships an update every 9 days, and SmartDawn every 2 months. Most recently, Curtain time was updated on October 19, 2026 and SmartDawn on October 21, 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.*