# Invoice Maker Simple Generator vs Mobile Doc Fax

The clearest difference is review sentiment: Mobile Doc Fax at 100% against Invoice Maker Simple Generator's 0%. Mobile Doc Fax also leads on ads (none vs shown) and rating (5.0 vs 4.7). Invoice Maker Simple Generator's advantage is update cadence (every 11 days vs every 3 months) and ratings volume (221 vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Invoice Maker Simple Generator sells 4 in-app purchases, starting at $1.99 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.

Mobile Doc Fax holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Invoice Maker Simple Generator has 221 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Invoice Maker Simple Generator's written reviews are positive against 100% of Mobile Doc Fax's.

Invoice Maker Simple Generator ships an update every 11 days, Mobile Doc Fax every 3 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Invoice Maker Simple Generator | Mobile Doc Fax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (221 ratings)](https://appshunter.io/ios/app/invoice-maker-simple-generator/id6451054831/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mobile-doc-fax/id6752902553/reviews)** |
| Number of ratings | **221** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 76 MB | 9 MB |
| Requires iOS | **15.3** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [3100 Michigan Apartments, L.P.](https://appshunter.io/developer/1856861664) | [Pond Shackleford LLC](https://appshunter.io/developer/1856925137) |

## What reviewers say

### Invoice Maker Simple Generator

[App page](https://appshunter.io/ios/app/invoice-maker-simple-generator/id6451054831)

Create professional invoices quickly and efficiently with this user-friendly app. Easily add products, services, and company details, with automatic calculations for accurate totals. Share your finalized invoices via email, messaging, or print.

**Highlights:** User-friendly interface, Automatic calculations, Save company information, Add notes and terms, Preview invoices, Share via email/messaging/print

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Special Offer | $1.99 | per 7 days |
| Invoice Premium Subscription | $5.99 | per 7 days |
| Invoice Premium Subscription | $5.99 | per 7 days |
| Invoice Maker Month Premium | $11.99 | per month |


### 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 Maker Simple Generator free?

Invoice Maker Simple Generator 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 Maker Simple Generator or Mobile Doc Fax?

Mobile Doc Fax is rated higher. Invoice Maker Simple Generator averages 4.7 out of 5 from 221 ratings, while Mobile Doc Fax averages 5.0 from 2 ratings.

### Do Invoice Maker Simple Generator or Mobile Doc Fax have ads?

Invoice Maker Simple Generator shows ads; Mobile Doc Fax does not.

### Which is updated more often, Invoice Maker Simple Generator or Mobile Doc Fax?

Invoice Maker Simple Generator ships an update every 11 days, and Mobile Doc Fax every 3 months. Most recently, Invoice Maker Simple Generator was updated on October 20, 2026 and Mobile Doc Fax on October 8, 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.*