# O3Z vs QR Code Generator Maker

The clearest difference is in-app purchases: O3Z at none against QR Code Generator Maker's 4. O3Z also leads on iOS requirement (13.0 vs 17.0). QR Code Generator Maker's advantage is update cadence (every 10 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. QR Code Generator Maker sells 4 in-app purchases, starting at $1.99 per 7 days. O3Z asks for nothing beyond the download.

O3Z ships an update every 4 months, QR Code Generator Maker every 10 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | O3Z | QR Code Generator Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/qr-code-generator-maker/id6749518829/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STEM s.r.l.](https://appshunter.io/developer/1577070000) | [Mobile Card Games & Travel Apps LLC](https://appshunter.io/developer/453389232) |

## What reviewers say

### O3Z

[App page](https://appshunter.io/ios/app/o3z-tech-connect/id1609095280)

**In-app purchases:** none


### QR Code Generator Maker

[App page](https://appshunter.io/ios/app/qr-code-generator-maker/id6749518829)

Quickly create custom QR codes for various information like links, Wi-Fi details, or contact cards. Personalize the appearance with colors and logos, and save or share them instantly. No account or sign-up required for basic use.

**Highlights:** Create QR codes for links, Wi-Fi, contacts, and events, Customize colors and add logos, Save and edit past QR codes, Export codes in various sizes, No account or sign-up required for basic use, Offline code generation

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Generator - Weekly | $1.99 | per 7 days |
| QR Code Generator - Annual | $9.99 | per year |
| QR Code Generator - Lifetime | $9.99 | one-time |
| QR Code Generator - Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is O3Z free?

O3Z is free to download, with no in-app purchases.

### Is QR Code Generator Maker free?

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

### Do O3Z or QR Code Generator Maker have ads?

Neither O3Z nor QR Code Generator Maker shows ads.

### Which is updated more often, O3Z or QR Code Generator Maker?

O3Z ships an update every 4 months, and QR Code Generator Maker every 10 days. Most recently, O3Z was updated on October 17, 2026 and QR Code Generator Maker on October 15, 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.*