# Invoice Generator | SIMPO vs GonzaPay

The clearest difference is in-app purchases: GonzaPay at none against Invoice Generator | SIMPO's 2. Invoice Generator | SIMPO's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Generator | SIMPO sells 2 in-app purchases, starting at $1.99 per month. GonzaPay asks for nothing beyond the download.

Invoice Generator | SIMPO ships an update daily, GonzaPay every 3 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Invoice Generator | SIMPO | GonzaPay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 26 MB | 47 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Karma Holdings LLC](https://appshunter.io/developer/1801721695) | [Drakma](https://appshunter.io/developer/1830693652) |

## What reviewers say

### Invoice Generator | SIMPO

[App page](https://appshunter.io/ios/app/invoice-generator-simpo/id6741481913)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SIMPO monthly subscription | $1.99 | per month |
| SIMPO yearly subscription | $9.99 | per year |


### GonzaPay

[App page](https://appshunter.io/ios/app/gonzapay/id6749482102)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Generator | SIMPO free?

Invoice Generator | SIMPO is free to download, with in-app purchases available.

### Is GonzaPay free?

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

### Do Invoice Generator | SIMPO or GonzaPay have ads?

Neither Invoice Generator | SIMPO nor GonzaPay shows ads.

### Which is updated more often, Invoice Generator | SIMPO or GonzaPay?

Invoice Generator | SIMPO ships an update daily, and GonzaPay every 3 weeks. Most recently, Invoice Generator | SIMPO was updated on October 30, 2026 and GonzaPay on October 28, 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.*