# Dual Space vs Gramvoice

The clearest difference is rating: Dual Space at 4.6 against Gramvoice's 2.7. Dual Space also leads on review sentiment (77% vs 39%) and ratings volume (1.4K vs 23). Gramvoice's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dual Space sells 3 in-app purchases, starting at $3.99 per 7 days. Gramvoice asks for nothing beyond the download.

Dual Space holds the better App Store score, 4.6 against 2.7. That said, the two scores are not equally well evidenced: Dual Space has 1.4K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 77% of Dual Space's written reviews are positive against 39% of Gramvoice's.

Dual Space ships an update every 2 weeks, Gramvoice every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dual Space | Gramvoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/dual-space-dual-app-parallel/id6642668666/reviews)** | [2.7 (23 ratings)](https://appshunter.io/ios/app/gramvoice/id6755912008/reviews) |
| Number of ratings | **1.4K** | 23 |
| Positive reviews | **76.9% of reviews** | 38.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 52 MB | 62 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Anh Nguyen](https://appshunter.io/developer/1632352487) | [Etegram](https://appshunter.io/developer/1639306033) |

## What reviewers say

### Dual Space

[App page](https://appshunter.io/ios/app/dual-space-dual-app-parallel/id6642668666)

Easily manage multiple accounts for social and messaging apps simultaneously. Keep work and personal lives separate or manage multiple instances of your favorite apps with enhanced privacy and security.

**Highlights:** Manage multiple social/messaging accounts, Separate work and personal accounts, Support for most popular apps, Enhanced privacy and security, Seamless multitasking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $5.99 | per month |
| Lifetime Premium | $19.99 | one-time |


### Gramvoice

[App page](https://appshunter.io/ios/app/gramvoice/id6755912008)

This VoIP application provides virtual phone numbers for individuals and businesses to make and receive calls worldwide. It allows users to manage multiple lines and maintain global connectivity.

**Highlights:** Virtual phone numbers, Global calling, Multiple line management, VoIP communication, Business and personal use

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

**In-app purchases:** none


## Frequently asked questions

### Is Dual Space free?

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

### Is Gramvoice free?

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

### Which has better reviews, Dual Space or Gramvoice?

Dual Space is rated higher. Dual Space averages 4.6 out of 5 from 1.4K ratings, while Gramvoice averages 2.7 from 23 ratings.

### Do Dual Space or Gramvoice have ads?

Neither Dual Space nor Gramvoice shows ads.

### Which is updated more often, Dual Space or Gramvoice?

Dual Space ships an update every 2 weeks, and Gramvoice every 2 months. Most recently, Dual Space was updated on November 4, 2026 and Gramvoice on October 30, 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.*