# InvoiceZap vs EventPay Studio

The clearest difference is in-app purchases: EventPay Studio at none against InvoiceZap's 2. EventPay Studio also leads on iOS requirement (16.6 vs 18.0). InvoiceZap's advantage is update cadence (every 4 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. InvoiceZap sells 2 in-app purchases, starting at $9.99 per month. EventPay Studio asks for nothing beyond the download.

InvoiceZap ships an update every 4 days, EventPay Studio every 5 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | InvoiceZap | EventPay Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 months |
| Size | 24 MB | 20 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fancygames, Ltd.](https://appshunter.io/developer/355409981) | [EventPay](https://appshunter.io/developer/1463216113) |

## What reviewers say

### InvoiceZap

[App page](https://appshunter.io/ios/app/invoicezap-invoice-maker/id6746954530)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InvoiceZap Pro | $9.99 | per month |
| InvoiceZap Pro | $69.99 | per year |


### EventPay Studio

[App page](https://appshunter.io/ios/app/eventpay-studio/id6749150483)

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

**In-app purchases:** none


## Frequently asked questions

### Is InvoiceZap free?

InvoiceZap is free to download, with in-app purchases available.

### Is EventPay Studio free?

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

### Do InvoiceZap or EventPay Studio have ads?

Neither InvoiceZap nor EventPay Studio shows ads.

### Which is updated more often, InvoiceZap or EventPay Studio?

InvoiceZap ships an update every 4 days, and EventPay Studio every 5 months. Most recently, InvoiceZap was updated on October 12, 2026 and EventPay Studio on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*