Comparison

Sacra vs Zero Chat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remembers conversations
  • Step-by-step study explanations
  • Catholic perspective on faith
  • Thoughtful and considered answers
  • Guidance for decisions and challenges
Features
Read full description

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.

About

Zero Chat

Features
Read full description

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

Sacra4 screens
Zero Chat4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Sacra versus Zero Chat: the parameters behind the verdict, then further details
ParameterSacraZero Chat
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.4 — better
Further details — not scored
Size8 MB72 MB
Age rating12+4+
DeveloperEllen O'RourkeOleg Filimonov

In-app purchases

None

Sacra

No in-app purchases

1 purchases

Zero Chat

Subscriptions1
  • Premium14 Days trial$8.991 Month

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.

Other comparisons