# Greyer vs Smart QR & Barcode Reader Pro

The clearest difference is in-app purchases: Greyer at none against Smart QR & Barcode Reader Pro's 1. Smart QR & Barcode Reader Pro's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smart QR & Barcode Reader Pro sells 1 in-app purchase, starting at $8.99 per 7 days. Greyer asks for nothing beyond the download.

Greyer ships an update every 2 weeks, Smart QR & Barcode Reader Pro every 3 days. The most recent releases landed on October 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Greyer | Smart QR & Barcode Reader Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 85 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [GREYER LLC](https://appshunter.io/developer/6824986175) | [LLC Abra Cadabra Innovations](https://appshunter.io/developer/6797516483) |

## What reviewers say

### Greyer

[App page](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033)

This AI assistant helps you capture thoughts, organize notes, and manage tasks using voice commands. It integrates with your email and calendar to provide timely suggestions and reminders, keeping your day under control.

**Highlights:** Voice-based idea capture, Structured notes and to-dos, Customizable reminders, Email and calendar integration, Proactive suggestions, Smart cap compatibility

**In-app purchases:** none


### Smart QR & Barcode Reader Pro

[App page](https://appshunter.io/ios/app/smart-qr-and-barcode-reader-pro/id6797516481)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $8.99 | per 7 days |


## Frequently asked questions

### Is Greyer free?

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

### Is Smart QR & Barcode Reader Pro free?

Smart QR & Barcode Reader Pro is free to download, with in-app purchases available.

### Do Greyer or Smart QR & Barcode Reader Pro have ads?

Neither Greyer nor Smart QR & Barcode Reader Pro shows ads.

### Which is updated more often, Greyer or Smart QR & Barcode Reader Pro?

Greyer ships an update every 2 weeks, and Smart QR & Barcode Reader Pro every 3 days. Most recently, Greyer was updated on October 25, 2026 and Smart QR & Barcode Reader Pro on October 3, 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.*