# Invoice Maker & Estimat vs QR Code Studio

The clearest difference is update cadence: QR Code Studio at every 6 weeks against Invoice Maker & Estimat's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Invoice Maker & Estimat sells 2 in-app purchases, starting at $3.99 per 7 days and QR Code Studio sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker & Estimat ships an update every 3 months, QR Code Studio every 6 weeks. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Invoice Maker & Estimat | QR Code Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 42 MB | 9 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lamar Bain](https://appshunter.io/developer/1825843660) | [Legacy Restaurants, LP](https://appshunter.io/developer/1850903474) |

## What reviewers say

### Invoice Maker & Estimat

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimat/id6749022332)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per 7 days |
| Premium | $3.99 | per 7 days |


### QR Code Studio

[App page](https://appshunter.io/ios/app/qr-code-studio-scan-and-create/id6754909660)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Premium | $5.99 | per 7 days |
| QR Code Premium | $5.99 | per 7 days |
| QR Code Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is Invoice Maker & Estimat free?

Invoice Maker & Estimat is free to download, with in-app purchases available.

### Is QR Code Studio free?

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

### Do Invoice Maker & Estimat or QR Code Studio have ads?

Neither Invoice Maker & Estimat nor QR Code Studio shows ads.

### Which is updated more often, Invoice Maker & Estimat or QR Code Studio?

Invoice Maker & Estimat ships an update every 3 months, and QR Code Studio every 6 weeks. Most recently, Invoice Maker & Estimat was updated on September 20, 2026 and QR Code Studio on September 8, 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.*