# Invoice Maker & Estimates ++ vs SiteScanner

The clearest difference is iOS requirement: SiteScanner at 13.0 against Invoice Maker & Estimates ++'s 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker & Estimates ++ sells 5 in-app purchases, starting at $4.99 per 7 days and SiteScanner sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker & Estimates ++ ships an update every 5 weeks, SiteScanner monthly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Invoice Maker & Estimates ++ | SiteScanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 24 MB | 102 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sheryl Hunt](https://appshunter.io/developer/1869897197) | [COLOR 90 d.o.o.](https://appshunter.io/developer/6788681053) |

## What reviewers say

### Invoice Maker & Estimates ++

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimates-plus-plus/id6757921423)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### SiteScanner

[App page](https://appshunter.io/ios/app/sitescanner-hack-protection/id6788681051)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly-Trial | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Invoice Maker & Estimates ++ free?

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

### Is SiteScanner free?

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

### Do Invoice Maker & Estimates ++ or SiteScanner have ads?

Neither Invoice Maker & Estimates ++ nor SiteScanner shows ads.

### Which is updated more often, Invoice Maker & Estimates ++ or SiteScanner?

Invoice Maker & Estimates ++ ships an update every 5 weeks, and SiteScanner monthly. Most recently, Invoice Maker & Estimates ++ was updated on October 7, 2026 and SiteScanner on October 28, 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.*