# Invoice Maker vs Window Cleaning Quote Maker

Invoice Maker and Window Cleaning Quote Maker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $19.00 per month and Window Cleaning Quote Maker sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Invoice Maker ships an update every 5 weeks, Window Cleaning Quote Maker monthly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Invoice Maker | Window Cleaning Quote Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 39 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caractiv Tech](https://appshunter.io/developer/1712980218) | [凯欣 周](https://appshunter.io/developer/6797456838) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-bill/id6756495015)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership Monthly | $19.00 | per month |
| Premium Membership Annually | $199.00 | per year |


### Window Cleaning Quote Maker

[App page](https://appshunter.io/ios/app/window-cleaning-quote-maker/id6799647854)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Window Cleaning Pro Monthly | $4.99 | per month |
| Window Cleaning Pro Yearly | $29.99 | per year |
| indow Cleaning Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Invoice Maker free?

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

### Is Window Cleaning Quote Maker free?

Window Cleaning Quote Maker is free to download, with in-app purchases available.

### Do Invoice Maker or Window Cleaning Quote Maker have ads?

Neither Invoice Maker nor Window Cleaning Quote Maker shows ads.

### Which is updated more often, Invoice Maker or Window Cleaning Quote Maker?

Invoice Maker ships an update every 5 weeks, and Window Cleaning Quote Maker monthly. Most recently, Invoice Maker was updated on October 17, 2026 and Window Cleaning Quote Maker on October 24, 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.*