# Simple Invoice Creator & Maker vs 09.ai

The clearest difference is in-app purchases: 09.ai at none against Simple Invoice Creator & Maker's 4. 09.ai also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). Simple Invoice Creator & Maker's advantage is iOS requirement (14.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Simple Invoice Creator & Maker sells 4 in-app purchases, starting at $0.99 per 7 days. 09.ai asks for nothing beyond the download.

Simple Invoice Creator & Maker ships an update every 3 months, 09.ai every 4 days. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Simple Invoice Creator & Maker | 09.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 5 MB | 98 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ValidPixel LLC](https://appshunter.io/developer/1787775987) | [Snehal Batra](https://appshunter.io/developer/1861442756) |

## What reviewers say

### Simple Invoice Creator & Maker

[App page](https://appshunter.io/ios/app/simple-invoice-creator-and-maker/id6471739207)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App to Pro | $0.99 | per 7 days |
| Upgrade App to Pro | $2.99 | per month |
| Upgrade App to Pro | $24.99 | per year |
| Upgrade App to Pro | $34.99 | one-time |


### 09.ai

[App page](https://appshunter.io/ios/app/09ai/id6747242947)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Invoice Creator & Maker free?

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

### Is 09.ai free?

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

### Do Simple Invoice Creator & Maker or 09.ai have ads?

Simple Invoice Creator & Maker shows ads; 09.ai does not.

### Which is updated more often, Simple Invoice Creator & Maker or 09.ai?

Simple Invoice Creator & Maker ships an update every 3 months, and 09.ai every 4 days. Most recently, Simple Invoice Creator & Maker was updated on September 8, 2026 and 09.ai on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*