# Sacra vs Zero Chat

The clearest difference is in-app purchases: Sacra at none against Zero Chat's 1. Zero Chat's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price 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. Sacra asks for nothing beyond the download.

Sacra ships an update every 3 weeks, Zero Chat every 4 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sacra | Zero Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sacra-ai-assistant/id6751862410/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 72 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Ellen O'Rourke](https://appshunter.io/developer/1837260673) | [Oleg Filimonov](https://appshunter.io/developer/1769783383) |

## What reviewers say

### Sacra

[App page](https://appshunter.io/ios/app/sacra-ai-assistant/id6751862410)

This AI assistant provides thoughtful and helpful responses for a variety of tasks, from homework and life advice to creative brainstorming. It remembers past conversations to improve its assistance over time and offers a unique Catholic perspective on faith and theology.

**Highlights:** Remembers conversations, Step-by-step study explanations, Catholic perspective on faith, Thoughtful and considered answers, Guidance for decisions and challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sacra free?

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

### Is Zero Chat free?

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

### Do Sacra or Zero Chat have ads?

Sacra shows ads; Zero Chat does not.

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

Sacra ships an update every 3 weeks, and Zero Chat every 4 days. Most recently, Sacra was updated on October 14, 2026 and Zero Chat on October 19, 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.*