# Douber vs Multi Space

The clearest difference is update cadence: Multi Space at every 2 days against Douber's every 3 months. Douber's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Douber sells 1 in-app purchase, starting at $19.99 per year and Multi Space sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Douber ships an update every 3 months, Multi Space every 2 days. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Douber | Multi Space |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 21 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ha Dinh Duc](https://appshunter.io/developer/1629804904) | [Akashkumar Akabari](https://appshunter.io/developer/1811284294) |

## 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 |


### Multi Space

[App page](https://appshunter.io/ios/app/multi-space-multiple-accounts/id6753666700)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is Douber free?

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

### Is Multi Space free?

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

### Do Douber or Multi Space have ads?

Both Douber and Multi Space show ads.

### Which is updated more often, Douber or Multi Space?

Douber ships an update every 3 months, and Multi Space every 2 days. Most recently, Douber was updated on September 25, 2026 and Multi Space 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.*