# PDF Scanner vs CandleGPT

The clearest difference is in-app purchases: CandleGPT at none against PDF Scanner's 4. CandleGPT also leads on update cadence (daily vs every 4 months) and iOS requirement (14.0 vs 17.0). PDF Scanner's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. PDF Scanner sells 4 in-app purchases, starting at $0.99 per month. CandleGPT asks for nothing beyond the download.

PDF Scanner ships an update every 4 months, CandleGPT daily. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Scanner | CandleGPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (51 ratings)](https://appshunter.io/ios/app/pdf-scanner-scan-save-share/id6471893095/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 24 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominic Rodemer](https://appshunter.io/developer/309872333) | [JUNGAN LEE](https://appshunter.io/developer/1676234608) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-scan-save-share/id6471893095)

Transform your mobile device into a powerful document scanner. Easily digitize paper documents into high-quality PDF files with automatic detection, perspective correction, and color enhancements. Organize and share your scans with ease.

**Highlights:** Convert paper to multi-page PDFs, Automatic document detection, Perspective correction, Organize scans with tags, Share documents easily, High-resolution scans up to 300 dpi, Import photos from gallery

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner Offer - Monthly | $0.99 | per month |
| PDF Scanner - Monthly | $1.99 | per month |
| PDF Scanner Offer - Annual | $8.99 | per year |
| PDF Scanner - Annual | $14.99 | per year |


### CandleGPT

[App page](https://appshunter.io/ios/app/candlegpt/id6759029101)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner free?

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

### Is CandleGPT free?

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

### Do PDF Scanner or CandleGPT have ads?

CandleGPT shows ads; PDF Scanner does not.

### Which is updated more often, PDF Scanner or CandleGPT?

PDF Scanner ships an update every 4 months, and CandleGPT daily. Most recently, PDF Scanner was updated on November 4, 2026 and CandleGPT on November 5, 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.*