# Invoice Maker vs Unigs

The clearest difference is in-app purchases: Unigs at none against Invoice Maker's 3. Invoice Maker's advantage is update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

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

Invoice Maker ships an update every 2 days, Unigs fortnightly. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Invoice Maker | Unigs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 30 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Golden Mind Services LTD](https://appshunter.io/developer/417614614) | [INBI](https://appshunter.io/developer/1842080330) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-receipt-maker/id6737871887)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $5.99 | per year |


### Unigs

[App page](https://appshunter.io/ios/app/unigs/id6752995958)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Maker free?

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

### Is Unigs free?

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

### Do Invoice Maker or Unigs have ads?

Neither Invoice Maker nor Unigs shows ads.

### Which is updated more often, Invoice Maker or Unigs?

Invoice Maker ships an update every 2 days, and Unigs fortnightly. Most recently, Invoice Maker was updated on October 8, 2026 and Unigs on October 18, 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.*