Comparison

A1 ai vs Catalyst

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

Head to head
About

A1 ai

This AI application offers on-device processing and decentralized network options, ensuring your data remains private and is never sold. It allows you to ask anything without contributing to large data centers, making it an environmentally conscious choice.

Highlights
  • On-device AI model
  • Decentralized network compute
  • No data centers used
  • Privacy-focused
  • Subscription for Pro features
Features
Read full description

A1 - AI without the data centers. Every other AI app ships your questions to a warehouse the size of a town — one that drinks water by the reservoir and burns power by the city — then rents the answer back to you by the month. A1 doesn't. A1 runs two ways, and neither needs a data center: • On your phone. A small, capable model runs fully on your device. Nothing is uploaded. No account. • Across the mesh. Or borrow a slice of compute from a decentralized network of real people's devices — no headquarters, no landlord. What you type never becomes someone's training pile. What you ask is never sold back to you. And not a single drop of water is boiled off to answer “hey.” Common sense about thinking machines: a model is just math, and the chip in your pocket is enough to think with. Ask anything. Run it on us, not on the planet. — — — A1 Pro is an auto-renewable subscription. • Price: $9.99 per week (US), with a 7-day free trial for new subscribers. • Payment is charged to your Apple Account at confirmation of purchase. • The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours prior to the end of the current period. • Manage or cancel anytime in your App Store account settings after purchase. • Any unused portion of a free trial is forfeited when you buy a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://a1ai-sandy.vercel.app/privacy

About

Catalyst

Access multiple leading AI models in one app, compare their responses, and generate images or videos. It also supports Python code execution and web searches with sources. Bring your own API keys for flexibility and control over your data.

Highlights
  • Access multiple AI models
  • Compare AI model responses
  • Generate images and video clips
  • Secure Python sandbox
  • Web search with sources
  • Attach files and photos
  • Persistent conversation memory
Features
Read full description

Catalyst puts today's best AI models in one place — and lets you switch between them with a tap. Chat with models from Anthropic, OpenAI, Google, and more in a single conversation, and bring your own API keys so you're never locked in. WHAT YOU CAN DO • Chat with multiple AI models — pick the right one for each question, or compare answers side by side • Generate images from a prompt, and create or animate short video clips • Run Python in a secure sandbox for calculations, data analysis, and charts • Search the web for current information, with sources • Attach photos and files and ask about them • Give the assistant a memory that carries useful context across conversations BRING YOUR OWN MODELS Catalyst is model-agnostic. Connect your own provider keys — Anthropic, OpenAI, Google, or any OpenAI-compatible endpoint — and use the models you choose at the provider's own rates. A better, cheaper model ships every few weeks; point Catalyst at whatever's best today. YOUR DATA, YOUR CONTROL Your conversations sync securely so your history follows you across devices. Export everything you've created at any time, and delete individual chats — or your whole account — from inside the app. Catalyst on iPhone and iPad is the companion to the full workspace at catalyst.voov.ai, where you can also build workflows, mini apps, and connect data sources. Sign in with Apple, Google, or email.

Screenshots

A1 ai4 screens
Catalyst4 screens

Verdict

The call

The clearest difference is in-app purchases: Catalyst at none against A1 ai's 1. On price, rating, ratings volume and update cadence 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. A1 ai sells 1 in-app purchase, starting at $9.99 per 7 days. Catalyst asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for A1 ai against 5.0 for Catalyst. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

A1 ai ships an update weekly, Catalyst every 9 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level
A1 ai versus Catalyst: the parameters behind the verdict, then further details
ParameterA1 aiCatalyst
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size6 MB31 MB
Age rating4+12+
DeveloperWhat If Projects, Inc.ObjectGraph LLC

In-app purchases

1 purchases

A1 ai

Subscriptions1
  • A1 Pro7 Days trial$9.997 Days
None

Catalyst

No in-app purchases

Questions

Is A1 ai free?
A1 ai is free to download, with in-app purchases available.
Is Catalyst free?
Catalyst is free to download, with no in-app purchases.
Which has better reviews, A1 ai or Catalyst?
A1 ai and Catalyst are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do A1 ai or Catalyst have ads?
Neither A1 ai nor Catalyst shows ads.
Which is updated more often, A1 ai or Catalyst?
A1 ai ships an update weekly, and Catalyst every 9 days. Most recently, A1 ai was updated on October 14, 2026 and Catalyst on October 8, 2026.

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