# Viito vs Evin Assist AAC

The clearest difference is in-app purchases: Viito at none against Evin Assist AAC's 2. Evin Assist AAC's advantage is update cadence (fortnightly vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Evin Assist AAC sells 2 in-app purchases, starting at $4.99 per month. Viito asks for nothing beyond the download.

Viito ships an update every 37 months, Evin Assist AAC fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Viito | Evin Assist AAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evin-assist-aac/id6446901962/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 52 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aki Niemi](https://appshunter.io/developer/560917550) | [Bjork Software Ltd](https://appshunter.io/developer/982763307) |

## What reviewers say

### Viito

[App page](https://appshunter.io/ios/app/viito/id1466451948)

**Features:** macOS Compatibility

**In-app purchases:** none


### Evin Assist AAC

[App page](https://appshunter.io/ios/app/evin-assist-aac/id6446901962)

This app provides a user-friendly picture communication system for individuals with speech and communication challenges. It allows for easy customization with personal photos and supports over 190 languages, making it a versatile tool for users of all ages and backgrounds.

**Highlights:** User-friendly interface, Add pictures from various sources, Supports over 190 languages, Customizable folder levels, Google Drive backup, Optimized for phones and tablets

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PCS Symbols | $4.99 | per month |
| Evin Assist Pro | $6.99 | per month |


## Frequently asked questions

### Is Viito free?

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

### Is Evin Assist AAC free?

Evin Assist AAC is free to download, with in-app purchases available.

### Do Viito or Evin Assist AAC have ads?

Neither Viito nor Evin Assist AAC shows ads.

### Which is updated more often, Viito or Evin Assist AAC?

Viito ships an update every 37 months, and Evin Assist AAC fortnightly. Most recently, Viito was updated on October 26, 2026 and Evin Assist AAC on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*