# PDF Scanner vs Kron

The clearest difference is update cadence: Kron at every 3 days against PDF Scanner's every 8 days. PDF Scanner's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner sells 4 in-app purchases, starting at $4.99 per 7 days and Kron sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Scanner ships an update every 8 days, Kron every 3 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PDF Scanner | Kron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-scanner-scan-and-edit-docs/id1671779182/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 36 MB | 20 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Webron Software LTD](https://appshunter.io/developer/1071126548) | [DANIIL SNADKIN, IE](https://appshunter.io/developer/1886093168) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-scan-and-edit-docs/id1671779182)

Easily scan physical documents, receipts, and notes using your smartphone camera. Convert them into digital PDFs or other formats, with advanced editing and OCR capabilities. Organize, manage, and secure your scanned files with this powerful productivity tool.

**Highlights:** Scan documents with auto-crop and edge detection, Edit PDFs with resolution, color, and orientation adjustments, Organize documents with renaming, folders, and tags, Extract text using OCR technology, Convert PDFs to Word, Excel, or JPG, Secure documents with password/PIN protection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Expert (weekly) | $4.99 | per 7 days |
| PDF Expert (yearly) | $24.99 | per year |
| PDF Expert (3 months) | $29.99 | per 3 months |
| PDF Expert (lifetime) | $29.99 | one-time |


### Kron

[App page](https://appshunter.io/ios/app/kron-brain-games-focus-timer/id6760755133)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kron Pro Monthly | $1.99 | per month |
| Kron Pro Yearly | $7.99 | per year |
| Kron Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is Kron free?

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

### Do PDF Scanner or Kron have ads?

Neither PDF Scanner nor Kron shows ads.

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

PDF Scanner ships an update every 8 days, and Kron every 3 days. Most recently, PDF Scanner was updated on October 3, 2026 and Kron on October 9, 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.*