# Sudden Call vs PDFs Split & Merge

The clearest difference is update cadence: PDFs Split & Merge at every 3 months against Sudden Call's every 47 months. PDFs Split & Merge also leads on ratings volume (1.4K vs 54). Sudden Call's advantage is iOS requirement (9.1 vs 13.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sudden Call sells 1 one-off in-app purchase and PDFs Split & Merge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Sudden Call against 4.4 for PDFs Split & Merge. That said, the two scores are not equally well evidenced: PDFs Split & Merge has 1.4K ratings behind it against 54, so its average is the more settled of the two. Written reviews are what separate them: 43% of Sudden Call's written reviews are positive against 44% of PDFs Split & Merge's.

Sudden Call ships an update every 47 months, PDFs Split & Merge every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudden Call | PDFs Split & Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (54 ratings)](https://appshunter.io/ios/app/sudden-call/id737519455/reviews)** | [4.4 (1.4K ratings)](https://appshunter.io/ios/app/pdfs-split-and-merge-pdf-editor/id1450069078/reviews) |
| Number of ratings | 54 | **1.4K** |
| Positive reviews | 42.9% of reviews | **44.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 5 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AMAXIM APPS, INC](https://appshunter.io/developer/488569471) | [Sumit Paul](https://appshunter.io/developer/1475772881) |

## What reviewers say

### Sudden Call

[App page](https://appshunter.io/ios/app/sudden-call/id737519455)

This app provides a fake incoming call to help you exit unwanted conversations or meetings. It features a simple interface with preset and scheduled call options for quick and easy use. Designed purely for entertainment, it does not make or receive real phone calls.

**Highlights:** Fake incoming calls, Exit unwanted conversations, Simple one-screen design, Easy presets, Scheduled calls, Entertainment purposes only

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Future Call | $1.99 | one-time |


### PDFs Split & Merge

[App page](https://appshunter.io/ios/app/pdfs-split-and-merge-pdf-editor/id1450069078)

Easily split and merge PDF files directly on your iPhone or iPad. This offline application allows you to combine multiple documents into one, split existing PDFs with various options, extract specific pages, and delete unwanted pages. It also features a convenient dark mode for comfortable use.

**Highlights:** Merge multiple PDF files, Split PDFs with multiple options, Extract even/odd pages, Delete PDF pages, Offline functionality, Dark mode

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $8.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Useful for splitting and merging PDFs
- 🤩 Works as advertised

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 💰 Limited free usage, requires paid upgrade
- 🤯 Inconsistent performance
- 🤔 Missing key features

**Reported bugs**

- Merged PDFs missing pages
- App crashes during file operations
- Unable to upload or select files

**Requested features**

- Add option to reorder pages
- Improve compatibility with iOS-generated PDFs
- Provide more than 2 free trials


## Frequently asked questions

### Is Sudden Call free?

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

### Is PDFs Split & Merge free?

PDFs Split & Merge is free to download, with in-app purchases available.

### Which has better reviews, Sudden Call or PDFs Split & Merge?

Sudden Call is rated higher. Sudden Call averages 4.6 out of 5 from 54 ratings, while PDFs Split & Merge averages 4.4 from 1.4K ratings.

### Do Sudden Call or PDFs Split & Merge have ads?

Neither Sudden Call nor PDFs Split & Merge shows ads.

### Which is updated more often, Sudden Call or PDFs Split & Merge?

Sudden Call ships an update every 47 months, and PDFs Split & Merge every 3 months. Most recently, Sudden Call was updated on October 23, 2026 and PDFs Split & Merge on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*