# AI Invoice Maker & Estimate vs SiteViewer

The clearest difference is in-app purchases: SiteViewer at none against AI Invoice Maker & Estimate's 2. SiteViewer also leads on ads (none vs shown). AI Invoice Maker & Estimate's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. AI Invoice Maker & Estimate sells 2 in-app purchases, starting at $4.99 per 7 days. SiteViewer asks for nothing beyond the download.

AI Invoice Maker & Estimate ships an update every 2 days, SiteViewer daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | AI Invoice Maker & Estimate | SiteViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 73 MB | 8 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [MILVASOFT YAZILIM BILISIM ARASTIRMA GELISTIRME DANISMANLIK SANAYI VE TICARET LTD STI](https://appshunter.io/developer/1602445125) | [Derek Paget](https://appshunter.io/developer/1832981957) |

## What reviewers say

### AI Invoice Maker & Estimate

[App page](https://appshunter.io/ios/app/ai-invoice-maker-and-estimate/id6771785120)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $4.99 | per 7 days |
| Weekly Monthly Access | $9.99 | per month |


### SiteViewer

[App page](https://appshunter.io/ios/app/siteviewer/id6810658770)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Invoice Maker & Estimate free?

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

### Is SiteViewer free?

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

### Do AI Invoice Maker & Estimate or SiteViewer have ads?

AI Invoice Maker & Estimate shows ads; SiteViewer does not.

### Which is updated more often, AI Invoice Maker & Estimate or SiteViewer?

AI Invoice Maker & Estimate ships an update every 2 days, and SiteViewer daily. Most recently, AI Invoice Maker & Estimate was updated on October 31, 2026 and SiteViewer on October 31, 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.*