# Vivi User App vs Grammar Quest

The clearest difference is in-app purchases: Vivi User App at none against Grammar Quest's 1. Vivi User App also leads on iOS requirement (15.0 vs 17.0). Grammar Quest's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Grammar Quest sells 1 one-off in-app purchase. Vivi User App asks for nothing beyond the download.

Vivi User App ships an update every 2 months, Grammar Quest every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Vivi User App | Grammar Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/vivi-user-app/id1582121124/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 34 MB | 480 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vivi Australia](https://appshunter.io/developer/1057434825) | [Kendal Slack](https://appshunter.io/developer/1183263943) |

## What reviewers say

### Vivi User App

[App page](https://appshunter.io/ios/app/vivi-user-app/id1582121124)

This tool allows seamless real-time sharing and display of information from any device. Enhance collaboration and engagement by annotating, capturing, and saving content wirelessly from anywhere in the room.

**Highlights:** Real-time information sharing, Wireless display and annotation, Capture and save content, Cross-device compatibility, Enhanced collaboration, Room-wide accessibility

**Features:** Vision Pro support

**In-app purchases:** none


### Grammar Quest

[App page](https://appshunter.io/ios/app/grammar-quest/id6768053320)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Vivi User App free?

Vivi User App is free to download, with no in-app purchases.

### Is Grammar Quest free?

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

### Do Vivi User App or Grammar Quest have ads?

Neither Vivi User App nor Grammar Quest shows ads.

### Which is updated more often, Vivi User App or Grammar Quest?

Vivi User App ships an update every 2 months, and Grammar Quest every 3 days. Most recently, Vivi User App was updated on November 3, 2026 and Grammar Quest on October 31, 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.*