Comparison

Silo vs Kai

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

Head to head
About

Silo

Manage your AI interactions and data privacy. This app acts as a control layer, ensuring your information is secure and portable across different AI models. It allows you to control what AI knows about you, offering a private and auditable experience.

Highlights
  • Cross-model memory portability
  • User-owned encrypted data
  • PII scrubbing
  • Audit trail of AI interactions
  • Service integrations (Google, Dropbox, Plaid)
  • On-device private AI assistance
Features
Read full description

Silo lets you control what AI knows. Your memory, your services, your context — in one place, working across every AI model. Silo is the only control layer between your data and the models that use it. Privacy is the foundation. Ownership is the product. Portability is the growth engine. ---- ONE MEMORY, EVERY MODEL Most AI tools trap your history inside a single platform. Your ChatGPT conversations can't move to Claude. Your context resets every time you switch tools. Silo fixes that. Your memory lives in your Silo — on your device, encrypted, portable. Switch between ChatGPT, Claude, Gemini, and more without losing context. One subscription, every model. Nothing gets stuck. ---- A NEW KIND OF FILE When we separated memory from AI models, we created something new: the .silo file. A portable, shareable, structured knowledge package that any AI can query. Share a travel plan that adapts to whoever opens it. Build a company knowledge base grounded in your actual thinking. Package what you know and send it to a collaborator. Authored, not interpreted. Interactive, not static. Yours to share. ---- PRIVATE WHEN IT MATTERS Private Assist runs AI entirely on your device. No internet required. Start a conversation locally, or switch to it mid-conversation when something becomes sensitive. Your data never has to leave your device. But when you choose to use cloud models, Silo always asks before sharing anything. ---- INTELLIGENCE ON YOUR SIDE Silo governs every interaction between your data and AI: · PII scrubbing before data reaches any model · Audit trail of what was shared and when · Instant access revocation · You control your encryption keys Every AI that wants your data asks Silo first. You set the policy. ---- CONNECT YOUR WORLD Silo extends beyond memory. Connect services like Google, Dropbox, and Plaid to your Silo. Any AI you authorize can access them — governed, auditable, revocable. One dashboard, one policy layer, full control. ---- GETS BETTER OVER TIME The more you use Silo, the more your context compounds. Memories connect across conversations. Responses become more personal. Your Silo becomes the most complete picture of what matters to you — owned by you, useful everywhere. ---- Control what AI knows. Own yourself. Terms of Service: https://www.onesilo.com/terms-of-service Privacy Policy: https://www.onesilo.com/privacy

About

Kai

This open-source AI companion offers fast, simple, and private chat experiences powered by models like Llama and Gemini. It's designed for quick answers, brainstorming, writing, and learning with a minimalist interface.

Highlights
  • Blazing fast AI responses
  • Minimalist and intuitive interface
  • Open-source and transparent code
  • Choice of AI models (Llama, Gemini)
  • Context-aware multi-turn conversations
  • Privacy-focused, no user tracking
Features
Read full description

Need quick AI answers without the bloat? Kai is your lightning-fast, open-source companion, powered by models like Llama and Google's Gemini. Dive into seamless chats for brainstorming, writing, summarizing, learning, or casual talks – all in a minimalist interface that loads in seconds. Why Kai Stands Out: Blazing Speed: Optimized for instaKai: Fast, Simple Open-Source AI Chat – No Tracking, Just Pure Conversation! Need quick AI answers without the bloat? Kai is your lightning-fast, open-source companion, powered by models like Llama and Google's Gemini. Dive into seamless chats for brainstorming, writing, summarizing, learning, or casual talks – all in a minimalist interface that loads in seconds. Why Kai Stands Out: Blazing Speed: Optimized for instant responses, even on modest devices – no waiting around for cloud lags. Ultimate Simplicity: Clean, intuitive chat design that's easy for anyone to use, with zero unnecessary features. Open Source Freedom: Fully transparent code – check it out, contribute, or customize. No hidden agendas. Model Choice: Switch between Llama, Gemini, and more to fit your needs, exploring AI strengths effortlessly. Natural Multi-Turn Chats: Conversations that remember context for deeper, more productive interactions. Versatile Everyday Help: Tackle quick queries or complex tasks like idea generation and content creation. Privacy First: Internet Required, But No Tracking. Kai runs on secure remote servers for top performance. We send only your inputs for processing – no telemetry, no data storage, no user tracking. Your privacy is built-in.nt responses, even on modest devices – no waiting around for cloud lags. Ultimate Simplicity: Clean, intuitive chat design that's easy for anyone to use, with zero unnecessary features. Open Source Freedom: Fully transparent code – check it out, contribute, or customize. No hidden agendas. Model Choice: Switch between Llama, Gemini, and more to fit your needs, exploring AI strengths effortlessly. Natural Multi-Turn Chats: Conversations that remember context for deeper, more productive interactions. Versatile Everyday Help: Tackle quick queries or complex tasks like idea generation and content creation. Privacy First: Internet Required, But No Tracking. Kai runs on secure remote servers for top performance. We send only your inputs for processing – no telemetry, no data storage, no user tracking. Your privacy is built-in.

Screenshots

Silo4 screens
Kai4 screens

Verdict

The call

The clearest difference is in-app purchases: Kai at none against Silo's 7. Kai also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (15.3 vs 26.0). On price, rating, ratings volume and ads 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. Silo sells 7 in-app purchases, starting at $10.00 per month. Kai 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 Silo against 5.0 for Kai. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

Silo ships an update every 2 months, Kai every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Silo versus Kai: the parameters behind the verdict, then further details
ParameterSiloKai
PriceFreeFree
Rating5.0 (3 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings34 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.3 — better
Further details — not scored
Size175 MB127 MB
Age rating12+17+
DeveloperOne Silo, IncSimon Schubert

Customer experience

Silo

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Kai

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Silo

Subscriptions7
  • Silo Plus Monthly$10.001 Month
  • Silo Pro Monthly$20.001 Month
  • Silo Plus Monthly$20.001 Month
Show 4 more
  • Silo Plus Yearly$100.001 Year
  • Silo Pro Yearly$200.001 Year
  • Silo Plus Yearly$200.001 Year
  • Silo Pro Monthly$200.001 Month
None

Kai

No in-app purchases

Questions

Is Silo free?
Silo is free to download, with in-app purchases available.
Is Kai free?
Kai is free to download, with no in-app purchases.
Which has better reviews, Silo or Kai?
Silo and Kai are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do Silo or Kai have ads?
Neither Silo nor Kai shows ads.
Which is updated more often, Silo or Kai?
Silo ships an update every 2 months, and Kai every 3 days. Most recently, Silo was updated on October 28, 2026 and Kai on October 24, 2026.

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