# PDF and Image Converter vs The Big Keyboard

The clearest difference is price: PDF and Image Converter at $0.99 against The Big Keyboard's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

PDF and Image Converter costs $0.99 and The Big Keyboard $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF and Image Converter ships an update every 3 days, The Big Keyboard every 2 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF and Image Converter | The Big Keyboard |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[3.5 (13 ratings)](https://appshunter.io/ios/app/the-big-keyboard/id6746368921/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Paid |
| Size | 2 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秀杰 黄](https://appshunter.io/developer/1796123317) | [Defriction LLC](https://appshunter.io/developer/1626590021) |

## What reviewers say

### PDF and Image Converter

[App page](https://appshunter.io/ios/app/pdf-and-image-converter/id6741904424)

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

**In-app purchases:** none


### The Big Keyboard

[App page](https://appshunter.io/ios/app/the-big-keyboard/id6746368921)

This keyboard app offers larger text and buttons for improved readability, especially for users with vision difficulties. It provides customizable themes, multiple layouts including a numeric keypad and arrow keys, and supports various languages.

**Highlights:** Scalable text size up to 2.5x, Comfortable button sizes, Word suggestions and autocorrect, Multiple keyboard layouts (QWERTY, numeric, arrows), Full emoji collection, Customizable themes (light, dark, high contrast), Sound and haptic feedback controls

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF and Image Converter free?

PDF and Image Converter costs $0.99, with no in-app purchases.

### Is The Big Keyboard free?

The Big Keyboard costs $1.99, with no in-app purchases.

### Do PDF and Image Converter or The Big Keyboard have ads?

Neither PDF and Image Converter nor The Big Keyboard shows ads.

### Which is updated more often, PDF and Image Converter or The Big Keyboard?

PDF and Image Converter ships an update every 3 days, and The Big Keyboard every 2 days. Most recently, PDF and Image Converter was updated on October 30, 2026 and The Big Keyboard 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.*