# DueBy vs Fox Pro

The clearest difference is ads: DueBy at none against Fox Pro's shown. DueBy also leads on update cadence (every 10 days vs every 3 weeks). Fox Pro's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. DueBy sells 3 in-app purchases, starting at $5.99 per 7 days and Fox Pro sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DueBy ships an update every 10 days, Fox Pro every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DueBy | Fox Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (47 ratings)](https://appshunter.io/ios/app/dueby-invoice-maker/id6742449153/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 13 MB | 41 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CREATIVE TECHNOLOGIES LLC](https://appshunter.io/developer/1440323598) | [BURABICA SOFTWARE LTD](https://appshunter.io/developer/1829647330) |

## What reviewers say

### DueBy

[App page](https://appshunter.io/ios/app/dueby-invoice-maker/id6742449153)

Create professional invoices quickly and efficiently from your phone. Manage client details, track payment statuses, and generate financial reports. Customize templates and support multiple currencies for global business.

**Highlights:** Create invoices in seconds, Share invoices via email/messaging, Monitor invoice statuses, Customize invoice templates, Generate financial reports, Multi-currency support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Premium | $5.99 | per 7 days |
| Invoice Premium | $17.99 | per month |
| Invoice Premium | $69.99 | per year |


### Fox Pro

[App page](https://appshunter.io/ios/app/fox-pro-simple-invoice-maker/id6752774477)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Weekly Access | $6.99 | per 7 days |
| Invoice Maker Weekly Access | $6.99 | per 7 days |
| Invoice Maker Annual Access | $99.99 | per year |


## Frequently asked questions

### Is DueBy free?

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

### Is Fox Pro free?

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

### Do DueBy or Fox Pro have ads?

Fox Pro shows ads; DueBy does not.

### Which is updated more often, DueBy or Fox Pro?

DueBy ships an update every 10 days, and Fox Pro every 3 weeks. Most recently, DueBy was updated on October 7, 2026 and Fox Pro on October 10, 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.*