# QuoteCat vs Simple Invoice PDF

The clearest difference is update cadence: QuoteCat at every 5 days against Simple Invoice PDF's fortnightly. QuoteCat also leads on iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QuoteCat sells 4 in-app purchases, starting at $29.99 per month and Simple Invoice PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QuoteCat ships an update every 5 days, Simple Invoice PDF fortnightly. Both last shipped on September 19, 2026.

## The numbers

| Metric | QuoteCat | Simple Invoice PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Paul Taylor](https://appshunter.io/developer/1849225335) | [Serghei Eschin](https://appshunter.io/developer/6774241012) |

## What reviewers say

### QuoteCat

[App page](https://appshunter.io/ios/app/quotecat-contractor-estimates/id6754611668)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $29.99 | per month |
| Premium Monthly | $79.99 | per month |
| Pro Yearly | $289.99 | per year |
| Premium Yearly | $789.99 | per year |


### Simple Invoice PDF

[App page](https://appshunter.io/ios/app/simple-invoice-pdf/id6788337612)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Invoice Pro | $9.99 | one-time |


## Frequently asked questions

### Is QuoteCat free?

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

### Is Simple Invoice PDF free?

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

### Do QuoteCat or Simple Invoice PDF have ads?

Neither QuoteCat nor Simple Invoice PDF shows ads.

### Which is updated more often, QuoteCat or Simple Invoice PDF?

QuoteCat ships an update every 5 days, and Simple Invoice PDF fortnightly. Most recently, QuoteCat was updated on September 19, 2026 and Simple Invoice PDF on September 19, 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.*