# Smart Engines vs VendBook

The clearest difference is in-app purchases: Smart Engines at none against VendBook's 4. Smart Engines also leads on device support (3 vs 1). VendBook's advantage is update cadence (every 4 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. VendBook sells 4 in-app purchases, starting at $2.99 per 7 days. Smart Engines asks for nothing beyond the download.

Smart Engines ships an update every 2 months, VendBook every 4 days. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Smart Engines | VendBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-engines/id1593408182/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 290 MB | 102 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smart Engines](https://appshunter.io/developer/1593408184) | [Digital Reach LLC](https://appshunter.io/developer/6796829261) |

## What reviewers say

### Smart Engines

[App page](https://appshunter.io/ios/app/smart-engines/id1593408182)

This app demonstrates advanced AI for recognizing various documents, including IDs, business papers, and codes like QR codes. All processing occurs directly on the device for complete security and speed.

**Highlights:** Identity document recognition, Business document recognition, QR and barcode scanning, On-device processing, Face matching, SDK integration

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

**In-app purchases:** none


### VendBook

[App page](https://appshunter.io/ios/app/vendbook/id6802364370)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VendBook Pro | $2.99 | per 7 days |
| VendBook Pro | $7.99 | per month |
| VendBook Pro | $59.99 | per year |
| Founding Vendor | $199.99 | one-time |


## Frequently asked questions

### Is Smart Engines free?

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

### Is VendBook free?

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

### Do Smart Engines or VendBook have ads?

Neither Smart Engines nor VendBook shows ads.

### Which is updated more often, Smart Engines or VendBook?

Smart Engines ships an update every 2 months, and VendBook every 4 days. Most recently, Smart Engines was updated on September 28, 2026 and VendBook 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.*