# Auto AR vs Smart Invoice

The clearest difference is in-app purchases: Auto AR at none against Smart Invoice's 2. Auto AR also leads on ads (none vs shown). Smart Invoice's advantage is update cadence (every 3 months vs every 14 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Invoice sells 2 in-app purchases, starting at $6.99 per 7 days. Auto AR asks for nothing beyond the download.

Auto AR ships an update every 14 months, Smart Invoice every 3 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Auto AR | Smart Invoice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 months** |
| Size | 160 MB | 63 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARTRICE DIGITAL ARTS TECHNOLOGY LTD.](https://appshunter.io/developer/1410296793) | [CW Lee](https://appshunter.io/developer/1468639016) |

## What reviewers say

### Auto AR

[App page](https://appshunter.io/ios/app/auto-ar/id1463545949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Invoice

[App page](https://appshunter.io/ios/app/smart-invoice/id1516600182)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Annually Subscription | $69.99 | per year |


## Frequently asked questions

### Is Auto AR free?

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

### Is Smart Invoice free?

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

### Do Auto AR or Smart Invoice have ads?

Smart Invoice shows ads; Auto AR does not.

### Which is updated more often, Auto AR or Smart Invoice?

Auto AR ships an update every 14 months, and Smart Invoice every 3 months. Most recently, Auto AR was updated on October 4, 2026 and Smart Invoice on October 4, 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.*