# InvoiceZap vs Shiftin One

The clearest difference is in-app purchases: Shiftin One at none against InvoiceZap's 2. Shiftin One also leads on iOS requirement (16.4 vs 18.0). 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. Shiftin One asks for nothing beyond the download.

## The numbers

| Metric | InvoiceZap | Shiftin One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 24 MB | 60 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fancygames, Ltd.](https://appshunter.io/developer/355409981) | [Androvega](https://appshunter.io/developer/1548323217) |

## 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 |


### Shiftin One

[App page](https://appshunter.io/ios/app/shiftin-one/id6794044006)

**In-app purchases:** none


## Frequently asked questions

### Is InvoiceZap free?

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

### Is Shiftin One free?

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

### Do InvoiceZap or Shiftin One have ads?

Neither InvoiceZap nor Shiftin One shows ads.

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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.*