# BIT KS vs Scan PDF

The clearest difference is ads: Scan PDF at none against BIT KS's shown. Scan PDF also leads on update cadence (every 2 days vs every 3 months). BIT KS's advantage is iOS requirement (12.0 vs 15.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BIT KS ships an update every 3 months, Scan PDF every 2 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BIT KS | Scan PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 70 MB | 63 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Enes Haskuka](https://appshunter.io/developer/1459663059) | [Shehar Yar](https://appshunter.io/developer/1844744480) |

## What reviewers say

### BIT KS

[App page](https://appshunter.io/ios/app/bit-ks/id6745275593)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scan PDF

[App page](https://appshunter.io/ios/app/scan-pdf-ocr-and-doc-scanner/id6760179834)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIT KS free?

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

### Is Scan PDF free?

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

### Do BIT KS or Scan PDF have ads?

BIT KS shows ads; Scan PDF does not.

### Which is updated more often, BIT KS or Scan PDF?

BIT KS ships an update every 3 months, and Scan PDF every 2 days. Most recently, BIT KS was updated on October 13, 2026 and Scan PDF on October 12, 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.*