# YOo vs Aster

The clearest difference is ads: Aster at none against YOo's shown. YOo's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

YOo ships an update every 2 weeks, Aster every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | YOo | Aster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/yoo/id6788319039/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 187 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Creative Advanced Technologies](https://appshunter.io/developer/1556378012) | [Cynthia Llego](https://appshunter.io/developer/6805292558) |

## What reviewers say

### YOo

[App page](https://appshunter.io/ios/app/yoo/id6788319039)

This app offers end-to-end encrypted messaging, voice, and video calls. Share photos, videos, and documents securely with features like disappearing messages and group chats. Protect your privacy with username-based communication and ad-free experience.

**Highlights:** End-to-end encrypted messaging, Encrypted voice and video calls, Group chats with admin controls, Disappearing messages, Username-based communication, Encrypted backups

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Aster

[App page](https://appshunter.io/ios/app/aster-chat-with-designers/id6805292556)

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

**In-app purchases:** none


## Frequently asked questions

### Is YOo free?

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

### Is Aster free?

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

### Do YOo or Aster have ads?

YOo shows ads; Aster does not.

### Which is updated more often, YOo or Aster?

YOo ships an update every 2 weeks, and Aster every 3 weeks. Most recently, YOo was updated on October 23, 2026 and Aster on October 29, 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.*