# Douber vs ITSM

The clearest difference is in-app purchases: ITSM at none against Douber's 1. Douber's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Douber sells 1 in-app purchase, starting at $19.99 per year. ITSM asks for nothing beyond the download.

## The numbers

| Metric | Douber | ITSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/douber-duals-and-parallel-apps/id1629804902/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 34 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [Ha Dinh Duc](https://appshunter.io/developer/1629804904) | [Saobacdau Technologies Corporation](https://appshunter.io/developer/1448494009) |

## What reviewers say

### Douber

[App page](https://appshunter.io/ios/app/douber-duals-and-parallel-apps/id1629804902)

This app allows users to run two applications simultaneously, such as an incognito browser alongside notes, a calculator, or a calendar. It's designed for multitasking individuals needing quick access to multiple tools.

**Highlights:** Incognito browser, Flash notes, Calculator, Calendar, PDF viewer, Dual web browser view, Security password generator

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per year |


### ITSM

[App page](https://appshunter.io/ios/app/itsm/id6447675791)

**In-app purchases:** none


## Frequently asked questions

### Is Douber free?

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

### Is ITSM free?

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

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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.*