# BITRIX vs PDF Master

The clearest difference is ads: PDF Master at none against BITRIX's shown. PDF Master also leads on update cadence (every 5 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

BITRIX ships an update every 6 months, PDF Master every 5 days. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BITRIX | PDF Master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 24 MB | 11 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sosone](https://appshunter.io/developer/1748061632) | [Redania Studio Limited](https://appshunter.io/developer/1780784899) |

## What reviewers say

### BITRIX

[App page](https://appshunter.io/ios/app/bitrix-bit-calculator/id6749227229)

This app provides a programmer's bit calculator with a neon CRT terminal interface. It allows for visual inspection and manipulation of bit configurations for various integer and float types, with real-time conversion across HEX, DEC, OCT, and BIN values. Supports bitwise operations and multiple bit environments.

**Highlights:** Bit calculation for 8, 16, 32, 64-bit environments, Integer and Float (IEEE 754) type support, Visual bit toggling with real-time updates, AND, OR, XOR, NOT, and Shift operations, Simultaneous BIN, OCT, DEC, HEX display, Neon CRT terminal interface

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

**In-app purchases:** none


### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-viewer-and-create/id6755611875)

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

**In-app purchases:** none


## Frequently asked questions

### Is BITRIX free?

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

### Is PDF Master free?

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

### Do BITRIX or PDF Master have ads?

BITRIX shows ads; PDF Master does not.

### Which is updated more often, BITRIX or PDF Master?

BITRIX ships an update every 6 months, and PDF Master every 5 days. Most recently, BITRIX was updated on October 6, 2026 and PDF Master on October 19, 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.*