# Simple Invoice Bill Maker vs Buyn Earn

The clearest difference is in-app purchases: Buyn Earn at none against Simple Invoice Bill Maker's 3. Buyn Earn also leads on iOS requirement (13.0 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Invoice Bill Maker sells 3 in-app purchases, starting at $1.99 per 7 days. Buyn Earn asks for nothing beyond the download.

Simple Invoice Bill Maker ships an update every 10 days, Buyn Earn every 8 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Simple Invoice Bill Maker | Buyn Earn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/simple-invoice-bill-maker/id6737187790/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 24 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT WAVES](https://appshunter.io/developer/1596113244) | [Shraddha Parajiya](https://appshunter.io/developer/1896476705) |

## What reviewers say

### Simple Invoice Bill Maker

[App page](https://appshunter.io/ios/app/simple-invoice-bill-maker/id6737187790)

Easily create and customize professional PDF invoices on your mobile device. This tool is designed for freelancers and small business owners needing quick and hassle-free billing solutions. Features include custom branding, client management, and automatic tax calculations.

**Highlights:** Quick PDF generation, Custom branding, Client management, Tax and discount calculator, On-the-go invoicing

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $34.99 | per year |


### Buyn Earn

[App page](https://appshunter.io/ios/app/buyn-earn/id6767455954)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Invoice Bill Maker free?

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

### Is Buyn Earn free?

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

### Do Simple Invoice Bill Maker or Buyn Earn have ads?

Neither Simple Invoice Bill Maker nor Buyn Earn shows ads.

### Which is updated more often, Simple Invoice Bill Maker or Buyn Earn?

Simple Invoice Bill Maker ships an update every 10 days, and Buyn Earn every 8 days. Most recently, Simple Invoice Bill Maker was updated on October 24, 2026 and Buyn Earn on October 5, 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.*