# Dual Web Chat WAPP vs KerfCalc

The clearest difference is iOS requirement: Dual Web Chat WAPP at 13.0 against KerfCalc's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dual Web Chat WAPP sells 6 in-app purchases, starting at $4.99 per 7 days and KerfCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Dual Web Chat WAPP | KerfCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (29 ratings)](https://appshunter.io/ios/app/dual-web-chat-wapp/id6755462433/reviews)** | — |
| Number of ratings | **29** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 264 MB | 30 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [YueJie](https://appshunter.io/developer/1854060598) | [Deakyu Lee](https://appshunter.io/developer/6780601722) |

## What reviewers say

### Dual Web Chat WAPP

[App page](https://appshunter.io/ios/app/dual-web-chat-wapp/id6755462433)

This app allows you to use the same messaging account on multiple devices or run two separate accounts on one device. It offers real-time message synchronization, a status saver, and direct chat functionality without saving contacts. It also includes a file manager for downloaded content and an account security check.

**Highlights:** Multi-device and dual account support, Fast and stable connection, Real-time message synchronization, Status saver and downloader, Direct chat without saving contacts, Organized file management, Account security check

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Weekly subscription | $9.99 | per 7 days |
| Annual subscription | $29.99 | per year |
| Monthly subscription | $29.99 | per month |
| Annual subscription | $69.99 | per year |


### KerfCalc

[App page](https://appshunter.io/ios/app/kerfcalc-woodworking-math/id6797046477)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KerfCalc Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Dual Web Chat WAPP free?

Dual Web Chat WAPP is free to download, with in-app purchases available.

### Is KerfCalc free?

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

### Do Dual Web Chat WAPP or KerfCalc have ads?

Neither Dual Web Chat WAPP nor KerfCalc shows ads.

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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.*