# 小猫补光灯 vs SDY

The clearest difference is in-app purchases: 小猫补光灯 at none against SDY's 2. 小猫补光灯 also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). SDY's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. SDY sells 2 in-app purchases, starting at $3.99 per month. 小猫补光灯 asks for nothing beyond the download.

小猫补光灯 ships an update every 3 days, SDY weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 小猫补光灯 | SDY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (10 ratings)](https://appshunter.io/ios/app/id6737742513/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 79.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 29 MB | 18 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [云飞 陈](https://appshunter.io/developer/1773006003) | [BLUE BOX AI LIMITED](https://appshunter.io/developer/1787472702) |

## What reviewers say

### 小猫补光灯

[App page](https://appshunter.io/ios/app/id6737742513)

This app provides a portable lighting solution for photography and video. It offers 11 preset lighting effects and custom color options to enhance photos and videos in various low-light environments. Designed for content creators and selfie enthusiasts, it aims to create professional-looking results with ease.

**Highlights:** 11 preset lighting effects, Customizable color options, Portable and professional lighting, Enhances photos in low light, Smart brightness adjustment, Simple and elegant interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SDY

[App page](https://appshunter.io/ios/app/sdy/id6811382932)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SDY Monthly | $3.99 | per month |
| SDY Yearly | $24.99 | per year |


## Frequently asked questions

### Is 小猫补光灯 free?

小猫补光灯 is free to download, with no in-app purchases.

### Is SDY free?

SDY is free to download, with in-app purchases available.

### Do 小猫补光灯 or SDY have ads?

小猫补光灯 shows ads; SDY does not.

### Which is updated more often, 小猫补光灯 or SDY?

小猫补光灯 ships an update every 3 days, and SDY weekly. Most recently, 小猫补光灯 was updated on November 4, 2026 and SDY on October 31, 2026.

---

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