# Zero Chat vs Aster

The clearest difference is ads: Zero Chat at none against Aster's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Zero Chat sells 1 in-app purchase, starting at $8.99 per month and Aster sells 4 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Zero Chat ships an update every 4 days, Aster every 5 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Zero Chat | Aster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aster-ai-chat-and-image-creator/id6806653780/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Freemium |
| Size | 72 MB | 192 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Oleg Filimonov](https://appshunter.io/developer/1769783383) | [Illia Pereviazko](https://appshunter.io/developer/6805598640) |

## What reviewers say

### Zero Chat

[App page](https://appshunter.io/ios/app/zero-chat-models/id6774957019)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $8.99 | per month |


### Aster

[App page](https://appshunter.io/ios/app/aster-ai-chat-and-image-creator/id6806653780)

This AI assistant helps you create images from descriptions, understand photos, and generate text for emails, summaries, and plans. It offers natural language conversation and photo analysis to turn your ideas into actionable steps.

**Highlights:** Image generation from text prompts, Photo editing and style transfer, Hands-free voice conversations, Photo and document analysis, Email drafting and text rewriting, Translation and summarization, Project planning and checklists

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project Aster Plus | $11.99 | per month |
| Project Aster Pro | $24.99 | per month |
| Project Aster Max | $49.99 | per month |
| Project Aster Ultra | $99.99 | per month |


## Frequently asked questions

### Is Zero Chat free?

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

### Is Aster free?

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

### Do Zero Chat or Aster have ads?

Aster shows ads; Zero Chat does not.

### Which is updated more often, Zero Chat or Aster?

Zero Chat ships an update every 4 days, and Aster every 5 days. Most recently, Zero Chat was updated on October 2, 2026 and Aster on October 1, 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.*