# Invoice app vs Mobile Doc Fax

The clearest difference is ads: Mobile Doc Fax at none against Invoice app's shown. Invoice app's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 16.4). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Invoice app sells 3 in-app purchases, starting at $5.99 per 7 days and Mobile Doc Fax sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Invoice app against 5.0 for Mobile Doc Fax. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Invoice app ships an update every 3 weeks, Mobile Doc Fax every 3 months. The most recent releases landed on September 9, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Invoice app | Mobile Doc Fax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/invoice-app-bill-generator/id6743754635/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/mobile-doc-fax/id6752902553/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 62 MB | 9 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NOSH DESIGNS N DECOR PRIVATE LIMITED](https://appshunter.io/developer/1855522461) | [Pond Shackleford LLC](https://appshunter.io/developer/1856925137) |

## What reviewers say

### Invoice app

[App page](https://appshunter.io/ios/app/invoice-app-bill-generator/id6743754635)

Streamline your invoicing and manage business contacts with this mobile solution. Create professional invoices, add company logos and signatures, and send them directly to clients. It also helps manage your company details and client list.

**Highlights:** Effortless invoice creation, Company and counterparty management, Customizable invoices with logo and signature, Itemized billing, Flexible sharing via email and messaging apps, Contact integration for quick client addition

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Financial Desk Premium | $5.99 | per 7 days |
| Financial Desk Premium | $5.99 | per 7 days |
| FInancial Desk Purchase | $119.99 | one-time |


### Mobile Doc Fax

[App page](https://appshunter.io/ios/app/mobile-doc-fax/id6752902553)

Send and receive documents instantly from your smartphone. Scan papers, attach files from cloud storage, and add electronic signatures. Create professional invoices and fax cover sheets with smart templates.

**Highlights:** Scan documents with camera, Attach files from cloud, Add electronic signatures, Create fax cover sheets, Generate invoices, View sending history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doc Premium | $4.99 | per 7 days |
| Fax Premium | $4.99 | per 7 days |


## Frequently asked questions

### Is Invoice app free?

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

### Is Mobile Doc Fax free?

Mobile Doc Fax is free to download, with in-app purchases available.

### Which has better reviews, Invoice app or Mobile Doc Fax?

Invoice app and Mobile Doc Fax are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Invoice app or Mobile Doc Fax have ads?

Invoice app shows ads; Mobile Doc Fax does not.

### Which is updated more often, Invoice app or Mobile Doc Fax?

Invoice app ships an update every 3 weeks, and Mobile Doc Fax every 3 months. Most recently, Invoice app was updated on September 9, 2026 and Mobile Doc Fax on July 17, 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.*