# Fast Scan vs Thunder Scanner

The clearest difference is review sentiment: Thunder Scanner at 71% against Fast Scan's 11%. Thunder Scanner also leads on rating (4.7 vs 3.5) and monetization model (free with in-app purchases vs subscription). Fast Scan's advantage is iOS requirement (10.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Fast Scan sells 11 in-app purchases, starting at $1.99 per 7 days and Thunder Scanner sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Thunder Scanner holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 321 and 649 respectively. Written reviews point the same way: 11% of Fast Scan's written reviews are positive against 71% of Thunder Scanner's.

Fast Scan ships an update every 5 weeks, Thunder Scanner every 2 weeks. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fast Scan | Thunder Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (321 ratings)](https://appshunter.io/ios/app/fast-scanpdf-doucment-scan/id1435571925/reviews) | **[4.7 (649 ratings)](https://appshunter.io/ios/app/thunder-scanner-qr-reader/id6444072721/reviews)** |
| Number of ratings | 321 | **649** |
| Positive reviews | 10.7% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 214 MB | 127 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Zhongcheng World Information Technology Co., Ltd](https://appshunter.io/developer/1674523091) | [APEXMOBI PTE. LTD.](https://appshunter.io/developer/1604377579) |

## What reviewers say

### Fast Scan

[App page](https://appshunter.io/ios/app/fast-scanpdf-doucment-scan/id1435571925)

Transform your phone into a powerful scanner and AI assistant. Quickly digitize documents, identify objects, plants, and animals, and translate text in real-time. Manage your work and life more efficiently with this fun and intuitive app.

**Highlights:** AI object, plant, and animal identification, Real-time recognition results, Multi-language translation and voice reading, Document and ID scanning, Automatic edge correction and trimming, Text translation for browsing and travel

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner Subscription | $1.99 | per 7 days |
| Scanner Subscription | $1.99 | per 7 days |
| Scanner Subscription | $4.99 | per month |
| Unlock all features for 1 week | $6.99 | per 7 days |
| Unlock all features for 1 week | $7.99 | per 7 days |
| Unlock all features for 1 week | $7.99 | per 7 days |
| VIP features(Lite) for 1month | $9.99 | per month |
| Scanner Subscription | $9.99 | per month |
| Unlock all features for 1month | $19.99 | per month |
| Unlock all features for 1 year | $89.99 | per year |
| Unlock all features for 1 year | $89.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient scanning performance
- 👍 Simple and easy-to-use interface
- 💪 Powerful functionality despite being free
- 📄 Accurate text extraction capabilities
- ⚡ Quick file format conversion

**What reviewers complain about**

- 💰 Deceptive pricing model - advertised as free but requires paid subscription
- 🚫 Paywall blocks all features immediately upon use
- 😤 Hidden subscription charges without clear disclosure
- 🔴 Inaccurate object/animal/plant recognition
- 📵 Aggressive pop-up ads for premium upgrades

**Reported bugs**

- Inaccurate object identification (e.g., dog identified as sea lion, plant as bamboo)
- Misidentification of colors and basic items
- App crashes or fails to load properly
- Pop-up ads appear every 30 seconds making app unusable
- Automatic billing without user confirmation

**Requested features**

- Make core features available for free or with optional premium features
- Implement transparent pricing displayed upfront in app store
- Add extended free trial period before requiring payment
- Improve object recognition accuracy
- Reduce frequency of upgrade pop-ups


### Thunder Scanner

[App page](https://appshunter.io/ios/app/thunder-scanner-qr-reader/id6444072721)

This app allows for quick scanning and generation of QR codes for various purposes, including sharing Wi-Fi passwords and event details. It also integrates AI to analyze scanned codes, providing context and summaries for a more insightful experience.

**Highlights:** Fast QR code scanning, QR code generation, AI analysis of scanned codes, Scan photos with GPT-4o, Obtain detailed information from codes, Easy sharing of generated codes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thunder Premium Weekly | $2.99 | per 7 days |
| Thunder Premium Weekly | $4.99 | per 7 days |
| Thunder Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Fast Scan free?

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

### Is Thunder Scanner free?

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

### Which has better reviews, Fast Scan or Thunder Scanner?

Thunder Scanner is rated higher. Fast Scan averages 3.5 out of 5 from 321 ratings, while Thunder Scanner averages 4.7 from 649 ratings.

### Do Fast Scan or Thunder Scanner have ads?

Both Fast Scan and Thunder Scanner show ads.

### Which is updated more often, Fast Scan or Thunder Scanner?

Fast Scan ships an update every 5 weeks, and Thunder Scanner every 2 weeks. Most recently, Fast Scan was updated on October 5, 2026 and Thunder Scanner on October 8, 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.*