# 4P Forms vs Invoice Maker

The clearest difference is in-app purchases: 4P Forms at none against Invoice Maker's 3. 4P Forms also leads on ads (none vs shown). Invoice Maker's advantage is update cadence (every 10 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Maker sells 3 in-app purchases, starting at $4.99 per month. 4P Forms asks for nothing beyond the download.

4P Forms ships an update every 2 months, Invoice Maker every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 4P Forms | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 47 MB | 74 MB |
| Requires iOS | **16.1** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The bullion group](https://appshunter.io/developer/1231961824) | [Dyllan vosloo](https://appshunter.io/developer/1809648322) |

## What reviewers say

### 4P Forms

[App page](https://appshunter.io/ios/app/4p-forms/id1232151442)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-invoice-sonic/id6790073334)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $4.99 | per month |
| Pro Monthly | $11.99 | per month |
| Pro Annual | $89.99 | per year |


## Frequently asked questions

### Is 4P Forms free?

4P Forms is free to download, with no in-app purchases.

### Is Invoice Maker free?

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

### Do 4P Forms or Invoice Maker have ads?

Invoice Maker shows ads; 4P Forms does not.

### Which is updated more often, 4P Forms or Invoice Maker?

4P Forms ships an update every 2 months, and Invoice Maker every 10 days. Most recently, 4P Forms was updated on October 24, 2026 and Invoice Maker on October 24, 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.*