# Invoice maker vs Alum

The clearest difference is in-app purchases: Alum at none against Invoice maker's 3. Alum also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Invoice maker sells 3 in-app purchases, starting at $0.99 per 7 days. Alum asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Invoice maker | Alum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 58 MB | 104 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jaseel Ottapilakool](https://appshunter.io/developer/1816005609) | [MUHSIN BAYIK](https://appshunter.io/developer/6818486524) |

## What reviewers say

### Invoice maker

[App page](https://appshunter.io/ios/app/invoice-maker-bill-estimate/id6793874677)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week Vip Sale | $0.99 | per 7 days |
| One Month Vip Sale | $1.99 | per month |
| One Year Vip Sale | $12.99 | per year |


### Alum

[App page](https://appshunter.io/ios/app/alum/id6818486522)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice maker free?

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

### Is Alum free?

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

### Do Invoice maker or Alum have ads?

Neither Invoice maker nor Alum shows ads.

### Which is updated more often, Invoice maker or Alum?

Invoice maker ships an update weekly, and Alum weekly. Most recently, Invoice maker was updated on October 31, 2026 and Alum on October 31, 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.*