# ThunderNotes vs Secure QR Code Reader

The clearest difference is rating: Secure QR Code Reader at 4.4 against ThunderNotes's 2.3. Secure QR Code Reader also leads on ratings volume (38 vs 3). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. ThunderNotes sells 5 in-app purchases, starting at $2.99 per 7 days and Secure QR Code Reader sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Secure QR Code Reader holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Secure QR Code Reader has 38 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 67% positive.

ThunderNotes ships an update every 10 days, Secure QR Code Reader every 3 weeks. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ThunderNotes | Secure QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/thundernotes-ai-note-taker/id6740700749/reviews) | **[4.4 (38 ratings)](https://appshunter.io/ios/app/secure-qr-code-reader/id6747162487/reviews)** |
| Number of ratings | 3 | **38** |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 46 MB | 92 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emir Topaloglu](https://appshunter.io/developer/1656595671) | [Appwell Ltd](https://appshunter.io/developer/1747461777) |

## What reviewers say

### ThunderNotes

[App page](https://appshunter.io/ios/app/thundernotes-ai-note-taker/id6740700749)

Transform voice recordings, documents, and YouTube videos into searchable AI notes. Generate summaries, quizzes, and flashcards instantly to enhance learning and productivity. No account is required, offering a private and distraction-free experience.

**Highlights:** AI voice transcription, YouTube video summarizer, PDF and image to notes conversion, AI-generated quizzes, Smart flashcards, Chat with your notes

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Thunder Pro | $4.99 | per month |
| Monthly Premium | $6.99 | per month |
| Thunder Pro | $49.99 | per year |
| Annually Premium | $69.99 | per year |


### Secure QR Code Reader

[App page](https://appshunter.io/ios/app/secure-qr-code-reader/id6747162487)

This tool allows you to quickly scan and generate QR codes and barcodes. It offers secure scanning to protect against malicious links and uses AI for text recognition. Manage your scan history and create custom QR codes with ease.

**Highlights:** Fast QR code scanning, Secure scanning protection, Barcode reader, AI text recognition, Scan history management, QR code generator

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | per 7 days |
| Premium | $9.99 | per 7 days |
| Premium | $49.99 | per year |
| Premium | $79.99 | per year |


## Frequently asked questions

### Is ThunderNotes free?

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

### Is Secure QR Code Reader free?

Secure QR Code Reader is free to download, with in-app purchases available.

### Which has better reviews, ThunderNotes or Secure QR Code Reader?

Secure QR Code Reader is rated higher. ThunderNotes averages 2.3 out of 5 from 3 ratings, while Secure QR Code Reader averages 4.4 from 38 ratings.

### Do ThunderNotes or Secure QR Code Reader have ads?

Neither ThunderNotes nor Secure QR Code Reader shows ads.

### Which is updated more often, ThunderNotes or Secure QR Code Reader?

ThunderNotes ships an update every 10 days, and Secure QR Code Reader every 3 weeks. Most recently, ThunderNotes was updated on September 17, 2026 and Secure QR Code Reader on September 30, 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.*