# Scigrow Rotary Meter Reader vs AI QR Code Generator & Reader

The clearest difference is in-app purchases: Scigrow Rotary Meter Reader at none against AI QR Code Generator & Reader's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI QR Code Generator & Reader sells 4 in-app purchases, starting at $4.99 per 7 days. Scigrow Rotary Meter Reader asks for nothing beyond the download.

Scigrow Rotary Meter Reader ships an update monthly, AI QR Code Generator & Reader every 5 weeks. The most recent releases landed on December 20, 2025 and September 20, 2026 respectively.

## The numbers

| Metric | Scigrow Rotary Meter Reader | AI QR Code Generator & Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 19 MB | 21 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scigrow (PTY) Ltd](https://appshunter.io/developer/1618809730) | [Aliaksei Yarmalovich](https://appshunter.io/developer/1510324387) |

## What reviewers say

### Scigrow Rotary Meter Reader

[App page](https://appshunter.io/ios/app/scigrow-rotary-meter-reader/id1640916028)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI QR Code Generator & Reader

[App page](https://appshunter.io/ios/app/ai-qr-code-generator-and-reader/id6470840638)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | per 7 days |
| Weekly Pro | $4.99 | per 7 days |
| Full Access | $7.99 | per 7 days |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is Scigrow Rotary Meter Reader free?

Scigrow Rotary Meter Reader is free to download, with no in-app purchases.

### Is AI QR Code Generator & Reader free?

AI QR Code Generator & Reader is free to download, with in-app purchases available.

### Do Scigrow Rotary Meter Reader or AI QR Code Generator & Reader have ads?

Neither Scigrow Rotary Meter Reader nor AI QR Code Generator & Reader shows ads.

### Which is updated more often, Scigrow Rotary Meter Reader or AI QR Code Generator & Reader?

Scigrow Rotary Meter Reader ships an update monthly, and AI QR Code Generator & Reader every 5 weeks. Most recently, Scigrow Rotary Meter Reader was updated on December 20, 2025 and AI QR Code Generator & Reader on September 20, 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.*