# Rocket Mobile App vs Invoice Maker

The clearest difference is in-app purchases: Rocket Mobile App at none against Invoice Maker's 2. Invoice Maker's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $7.99 per 7 days. Rocket Mobile App asks for nothing beyond the download.

Rocket Mobile App ships an update every 3 weeks, Invoice Maker every 3 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Rocket Mobile App | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 37 MB | 77 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rob Dayton](https://appshunter.io/developer/377878279) | [Emirhan Alabuga](https://appshunter.io/developer/1800574514) |

## What reviewers say

### Rocket Mobile App

[App page](https://appshunter.io/ios/app/rocket-mobile-app/id6759801351)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-invoizen/id6778848510)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Rocket Mobile App free?

Rocket Mobile App 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 Rocket Mobile App or Invoice Maker have ads?

Neither Rocket Mobile App nor Invoice Maker shows ads.

### Which is updated more often, Rocket Mobile App or Invoice Maker?

Rocket Mobile App ships an update every 3 weeks, and Invoice Maker every 3 days. Most recently, Rocket Mobile App was updated on September 14, 2026 and Invoice Maker on September 19, 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.*