# QRDeck vs TeraScan

The clearest difference is in-app purchases: QRDeck at none against TeraScan's 23. QRDeck also leads on ads (none vs shown). TeraScan's advantage is update cadence (every 10 days vs every 19 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TeraScan sells 22 in-app purchases, starting at $3.99 per 7 days. QRDeck asks for nothing beyond the download.

QRDeck ships an update every 19 months, TeraScan every 10 days. The most recent releases landed on May 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | QRDeck | TeraScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (62 ratings)](https://appshunter.io/ios/app/terascan-ai-pdf-scanner/id6473889046/reviews)** |
| Number of ratings | — | **62** |
| Positive reviews | — | 51.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 2 MB | 184 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Kalaus](https://appshunter.io/developer/1663638317) | [FLEXTECH INC.](https://appshunter.io/developer/1552156015) |

## What reviewers say

### QRDeck

[App page](https://appshunter.io/ios/app/qrdeck/id1663637985)

**Features:** macOS Compatibility

**In-app purchases:** none


### TeraScan

[App page](https://appshunter.io/ios/app/terascan-ai-pdf-scanner/id6473889046)

This app provides a comprehensive solution for digitizing, editing, and managing documents. It allows users to scan, convert files to PDF or JPG, extract text with OCR in multiple languages, and enhance scans with AI. Users can also edit, sign, secure, and sync documents across devices.

**Highlights:** High-quality document scanning, OCR text extraction in 41 languages, AI-enhanced scan quality, Document editing and signing, Cross-device file syncing, Password protection and watermarking

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per 7 days |
| TeraScan Premium(Weeky） | $3.99 | per 7 days |
| Premium | $3.99 | per 7 days |
| 1 week Premium 1024GB storage | $4.99 | per 7 days |
| 1 Month Premium 1024GB storage | $6.99 | per month |
| Premium | $6.99 | per month |
| Premium(1 Month） | $6.99 | per month |
| TeraScan Premium(Monthly） | $6.99 | per month |
| Premium | $8.99 | per month |
| Premium(1 Year) | $17.99 | per year |
| Premium (Yearly) | $17.99 | per year |
| TeraScan Premium(Yearly） | $17.99 | per year |
| TeraScan Premium(Yearly） | $17.99 | per year |
| PDF Scanner Premium（Yearly） | $24.99 | per year |
| PDF Scanner Premium（Yearly） | $24.99 | per year |
| 1 Year Premium 1024GB storage | $29.99 | per year |
| 1 Year Premium 1024GB storage | $29.99 | per year |
| Premium For One Month | $7.99 | one-time |
| Premium | $17.99 | one-time |
| Premium For One Year | $17.99 | one-time |
| PDF Scanner Premium | $24.99 | one-time |
| PDF Scanner Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Nice app
- 👍 Excellent service
- 👍 Good app
- 👍 Great app
- 👍 Very useful

**What reviewers complain about**

- 😞 Cheating app
- 😞 Worst app
- 😞 Scammy
- 😞 Waste of time and money
- 😞 Not free

**Reported bugs**

- Arabic text appears reversed and uneditable
- Cannot finalize anything with free account
- Premium account not activated after payment
- Subscription not working
- Cannot convert scanned documents to PDF

**Requested features**

- Add more file formats like .zip
- Add Thai language option for translation


## Frequently asked questions

### Is QRDeck free?

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

### Is TeraScan free?

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

### Do QRDeck or TeraScan have ads?

TeraScan shows ads; QRDeck does not.

### Which is updated more often, QRDeck or TeraScan?

QRDeck ships an update every 19 months, and TeraScan every 10 days. Most recently, QRDeck was updated on May 19, 2026 and TeraScan on September 21, 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.*