Sacra vs Zero Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sacra
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.
- Remembers conversations
- Step-by-step study explanations
- Catholic perspective on faith
- Thoughtful and considered answers
- Guidance for decisions and challenges
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Sacra is an AI assistant that's thoughtful, helpful, and actually gets you. Use it for anything—homework, life advice, creative ideas, or exploring what matters. What makes it different: Remembers your conversations – Gets better at helping you over time. Study help – Step-by-step explanations that make learning click. Catholic perspective – Explore faith and theology when you want. Thoughtful answers – Not just fast, but actually considered. Real guidance – For decisions, challenges, and questions big or small. Ask Sacra anything. It's an AI that's built to help you think, not just give you quick answers.
Zero Chat
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Zero Chat brings GPT, Claude, Gemini, and more AI models into one app. An active subscription is required. Choose the right model for the task. Browse models by provider, compare their strengths and token prices, or search for a favorite. Switch models in the same conversation when you want a different perspective. Plan a trip, draft a message, explore an idea, or work through a problem. Add photos from your camera or gallery, use web search, and set custom instructions. Your chats stay together across supported devices. A monthly auto-renewable subscription enables Zero Chat's AI features. Apple charges your Apple ID when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Privacy Policy: https://zero-chat.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Sacra | Zero Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 8 MB | 72 MB |
| Age rating | 12+ | 4+ |
| Developer | Ellen O'Rourke | Oleg Filimonov |
In-app purchases
Sacra
No in-app purchases
Zero Chat
- Premium14 Days trial$8.991 Month









