# CATSsmartscan vs Invoice maker PDF

The clearest difference is in-app purchases: CATSsmartscan at none against Invoice maker PDF's 4. CATSsmartscan also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Invoice maker PDF's advantage is update cadence (monthly vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Invoice maker PDF sells 4 in-app purchases, starting at $4.99 per month. CATSsmartscan asks for nothing beyond the download.

CATSsmartscan ships an update every 9 months, Invoice maker PDF monthly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CATSsmartscan | Invoice maker PDF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 55 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C.A.T.S.-Soft GmbH](https://appshunter.io/developer/1081022758) | [Aleff Silva](https://appshunter.io/developer/1694551358) |

## What reviewers say

### CATSsmartscan

[App page](https://appshunter.io/ios/app/catssmartscan/id1446754986)

**In-app purchases:** none


### Invoice maker PDF

[App page](https://appshunter.io/ios/app/invoice-maker-pdf/id6462355495)

Easily create and share professional invoices with your customers. Generate PDF invoices quickly and efficiently to manage your business transactions.

**Highlights:** Invoice generation, PDF export, Customer sharing, Professional design

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $24.99 | per 6 months |
| Premium Subscription | $39.99 | per year |
| Premium | $69.99 | one-time |


## Frequently asked questions

### Is CATSsmartscan free?

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

### Is Invoice maker PDF free?

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

### Do CATSsmartscan or Invoice maker PDF have ads?

Invoice maker PDF shows ads; CATSsmartscan does not.

### Which is updated more often, CATSsmartscan or Invoice maker PDF?

CATSsmartscan ships an update every 9 months, and Invoice maker PDF monthly. Most recently, CATSsmartscan was updated on October 3, 2026 and Invoice maker PDF on October 14, 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.*