# Simple Pdf vs Keygram

The clearest difference is in-app purchases: Keygram at none against Simple Pdf's 3. Keygram also leads on ads (none vs shown) and update cadence (every 5 days vs every 4 months). Simple Pdf's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 26.2). On price there is nothing between them.

Both are free to download. Simple Pdf sells 3 in-app purchases, starting at $3.99 per month. Keygram asks for nothing beyond the download.

Simple Pdf ships an update every 4 months, Keygram every 5 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | Simple Pdf | Keygram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/simple-pdf-reader/id1513739391/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 88 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMARDEEP DHILLON](https://appshunter.io/developer/999752727) | [Virat Singh](https://appshunter.io/developer/1739535451) |

## What reviewers say

### Simple Pdf

[App page](https://appshunter.io/ios/app/simple-pdf-reader/id1513739391)

Easily view, manage, and create PDF files. This app allows you to open local PDFs, load them from the internet, and even scan documents with your camera. It also supports merging, splitting, converting PDFs to images, and adding signatures.

**Highlights:** View local PDF files, Scan documents and convert to PDF, Merge and split PDF files, Convert PDF to images, Add digital signatures, Organize and manage files

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $3.99 | per month |
| Unlock feature yearly | $29.99 | per year |
| Remove ads | $2.99 | one-time |


### Keygram

[App page](https://appshunter.io/ios/app/keygram-multilingual-keyboard/id6767987188)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Pdf free?

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

### Is Keygram free?

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

### Do Simple Pdf or Keygram have ads?

Simple Pdf shows ads; Keygram does not.

### Which is updated more often, Simple Pdf or Keygram?

Simple Pdf ships an update every 4 months, and Keygram every 5 days. Most recently, Simple Pdf was updated on October 12, 2026 and Keygram 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.*