# 321GO發射力 vs QR Maker Instant

The clearest difference is in-app purchases: 321GO發射力 at none against QR Maker Instant's 4. QR Maker Instant's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QR Maker Instant sells 4 in-app purchases, starting at $1.99 per month. 321GO發射力 asks for nothing beyond the download.

321GO發射力 ships an update weekly, QR Maker Instant every 3 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 321GO發射力 | QR Maker Instant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 50 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [byRoss Technology Co. Ltd.](https://appshunter.io/developer/1369578029) | [Sio Long Chan](https://appshunter.io/developer/6775406726) |

## What reviewers say

### 321GO發射力

[App page](https://appshunter.io/ios/app/321go/id6764324786)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### QR Maker Instant

[App page](https://appshunter.io/ios/app/qr-maker-instant/id6807492576)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Maker Pro Monthly | $1.99 | per month |
| Coffee | $0.99 | one-time |
| Big thanks | $4.99 | one-time |
| Pro | $6.99 | one-time |


## Frequently asked questions

### Is 321GO發射力 free?

321GO發射力 is free to download, with no in-app purchases.

### Is QR Maker Instant free?

QR Maker Instant is free to download, with in-app purchases available.

### Do 321GO發射力 or QR Maker Instant have ads?

Neither 321GO發射力 nor QR Maker Instant shows ads.

### Which is updated more often, 321GO發射力 or QR Maker Instant?

321GO發射力 ships an update weekly, and QR Maker Instant every 3 days. Most recently, 321GO發射力 was updated on October 31, 2026 and QR Maker Instant on October 29, 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.*