# Fast Simple Invoice Maker vs AutoPaint Visualizer

The clearest difference is ads: Fast Simple Invoice Maker at none against AutoPaint Visualizer's shown. Fast Simple Invoice Maker also leads on update cadence (fortnightly vs every 4 months). AutoPaint Visualizer's advantage is iOS requirement (15.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fast Simple Invoice Maker sells 4 one-off in-app purchases and AutoPaint Visualizer sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fast Simple Invoice Maker ships an update fortnightly, AutoPaint Visualizer every 4 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fast Simple Invoice Maker | AutoPaint Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/autopaint-visualizer-car-mod/id6758518504/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 66 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eric Savoie](https://appshunter.io/developer/1695096773) | [Ninuk Novianti](https://appshunter.io/developer/1784632253) |

## What reviewers say

### Fast Simple Invoice Maker

[App page](https://appshunter.io/ios/app/fast-simple-invoice-maker/id6752559476)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midnight Theme | $0.49 | one-time |
| Forest Theme | $0.49 | one-time |
| Warm Paper Theme | $0.49 | one-time |
| Theme - Ocean | $0.49 | one-time |


### AutoPaint Visualizer

[App page](https://appshunter.io/ios/app/autopaint-visualizer-car-mod/id6758518504)

Visualize car modifications like color changes, rim styles, and backgrounds with AI. Preview your vehicle's new look realistically before making real-world decisions. Save your customized designs directly to your photo gallery.

**Highlights:** AI body color repaint, AI rim color customization, AI background replacement, Before & after comparison, Save to photos, Subscription access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $7.99 | per 7 days |
| Monthly Access | $19.99 | per month |
| Yearly Unlimited Access | $49.99 | per year |


## Frequently asked questions

### Is Fast Simple Invoice Maker free?

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

### Is AutoPaint Visualizer free?

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

### Do Fast Simple Invoice Maker or AutoPaint Visualizer have ads?

AutoPaint Visualizer shows ads; Fast Simple Invoice Maker does not.

### Which is updated more often, Fast Simple Invoice Maker or AutoPaint Visualizer?

Fast Simple Invoice Maker ships an update fortnightly, and AutoPaint Visualizer every 4 months. Most recently, Fast Simple Invoice Maker was updated on October 9, 2026 and AutoPaint Visualizer on October 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.*