# 快对讲 vs RedGlow

The clearest difference is update cadence: RedGlow at every 3 days against 快对讲's fortnightly. 快对讲's advantage is iOS requirement (11.0 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.

快对讲 ships an update fortnightly, RedGlow every 3 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 快对讲 | RedGlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 76 MB | 21 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Boyuan Electronic Technology Co. Ltd](https://appshunter.io/developer/1072357801) | [Caichen Zhong](https://appshunter.io/developer/1878115788) |

## What reviewers say

### 快对讲

[App page](https://appshunter.io/ios/app/id6444352772)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedGlow

[App page](https://appshunter.io/ios/app/redglow-night-feeding-light/id6797029839)

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

**In-app purchases:** none


## Frequently asked questions

### Is 快对讲 free?

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

### Is RedGlow free?

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

### Do 快对讲 or RedGlow have ads?

Neither 快对讲 nor RedGlow shows ads.

### Which is updated more often, 快对讲 or RedGlow?

快对讲 ships an update fortnightly, and RedGlow every 3 days. Most recently, 快对讲 was updated on October 27, 2026 and RedGlow on October 25, 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.*