# SKB WebFAX vs PayApp

The clearest difference is update cadence: PayApp at every 9 days against SKB WebFAX's every 4 months. PayApp also leads on monetization model (free vs free with in-app purchases). SKB WebFAX's advantage is iOS requirement (12.0 vs 15). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

SKB WebFAX ships an update every 4 months, PayApp every 9 days. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SKB WebFAX | PayApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/skb-webfax/id515204134/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 42.9% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 72 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Posttelink Inc.](https://appshunter.io/developer/468349231) | [UDID Inc.](https://appshunter.io/developer/538328037) |

## What reviewers say

### SKB WebFAX

[App page](https://appshunter.io/ios/app/skb-webfax/id515204134)

Send and receive faxes directly from your smartphone. This mobile fax service allows you to transmit documents and images stored on your device, with features like scanning and previewing before sending. Manage received faxes and view transmission results conveniently.

**Highlights:** Send faxes from smartphone, Receive faxes on smartphone, Scan and send documents, Preview before sending, View transmission results, Manage received faxes

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

**In-app purchases:** none


### PayApp

[App page](https://appshunter.io/ios/app/payapp/id538328034)

This app provides a comprehensive mobile payment solution for businesses. It allows for various payment methods including card scanning, QR codes, remote requests, and recurring payments. Businesses can also manage sub-accounts for employees and issue cash receipts.

**Highlights:** Phone-based in-person payments (camera, QR, manual entry), Remote payment requests via SMS/KakaoTalk, Recurring and automatic payments, Cash receipt issuance, Sub-account management for employees, API integration for custom services, Free family and auxiliary services

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SKB WebFAX free?

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

### Is PayApp free?

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

### Do SKB WebFAX or PayApp have ads?

Neither SKB WebFAX nor PayApp shows ads.

### Which is updated more often, SKB WebFAX or PayApp?

SKB WebFAX ships an update every 4 months, and PayApp every 9 days. Most recently, SKB WebFAX was updated on September 13, 2026 and PayApp on September 15, 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.*