# Geology and Mining vs Invoice Maker

The clearest difference is in-app purchases: Geology and Mining at none against Invoice Maker's 2. Geology and Mining also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price and ads there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $6.99 per 7 days. Geology and Mining asks for nothing beyond the download.

## The numbers

| Metric | Geology and Mining | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 65 MB | 9 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lailen](https://appshunter.io/developer/1490909605) | [Nuno Lopes](https://appshunter.io/developer/1802013711) |

## What reviewers say

### Geology and Mining

[App page](https://appshunter.io/ios/app/geology-and-mining/id6651834046)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-simple/id6748588643)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $6.99 | per 7 days |
| Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is Geology and Mining free?

Geology and Mining 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 Geology and Mining or Invoice Maker have ads?

Neither Geology and Mining nor Invoice Maker 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.*