Silo vs Utility King
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Silo
This app allows you to run advanced AI language models directly on your iPhone without needing an internet connection or subscriptions. It prioritizes user privacy by keeping all conversations and data solely on your device. You can download and switch between various open-source models, including uncensored options.
- Runs AI models locally on iPhone
- No internet connection required
- Zero data collection or server requests
- Supports multiple open-source LLMs
- Import custom models from Hugging Face
- Uncensored model output
- Local chat history management
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Silo runs AI models like Gemma 4, Phi-4, and Mistral directly on your iPhone. No servers. No subscriptions. No internet connection. Your conversations never exist anywhere but your device. Actually Private, Not "Cloud Private" Most AI apps encrypt your data before sending it to their servers. Silo never sends it at all. Zero network requests. There is no server to breach. No account required. No login. No data collection. Anonymous by design. Works Without Internet Airplane mode, off-grid, no Wi-Fi. Silo works everywhere because everything runs on your hardware. No connection means no data leaks. Ever. Chat on a plane, in the subway, or anywhere you want absolute privacy. No Subscription. No Limits. No $20/month plans. No lifetime unlock fees. No usage limits. No accounts. No paywalls. Download and use every feature immediately. Open-Source Silo's complete source code is public on GitHub. Don't take our word for privacy. Read the code and verify it yourself. No trust required. Built by an independent developer, not a corporation. Run Popular AI Models On-Device Run the latest open-source LLMs locally with full Metal GPU acceleration. Gemma 4, Phi-4, Mistral, and more running on your iPhone with no cloud required: - Google Gemma 4 E2B. The newest architecture from Google, available in Q4 and Q8 quantizations. Run Gemma 4 entirely on-device. - Microsoft Phi-4 Mini. Top-performing small model, beats Llama 3.2 on every benchmark. Runs on 4 GB RAM. Phi-4 is the best model for its size. - Mistral / Ministral 3B. Instruct and Reasoning variants from Mistral AI. - Liquid AI LFM 2.5. Ultra-efficient 1.2B models with thinking mode. - SmolLM3 3B. Compact, multilingual, 6-language support from HuggingFace. - Meta Llama 3.2. Fast 1B and 3B models from Meta. - Plus Dolphin uncensored, Phi-4, and more community models. Download the models you want and switch between them. Q4 quantizations for every device, Q8 for devices with more memory. Bring Your Own Models from Hugging Face Import any GGUF model from Hugging Face directly in the app. Paste a Hugging Face URL and download. Run Phi, Dolphin, StarCoder, TinyLlama, or any GGUF-compatible model from the Hugging Face model hub. Your models, your choice. Uncensored Models Silo does not filter, censor, or restrict model output. Use uncensored or custom fine-tuned models with zero guardrails imposed by the app. The model answers. We don't interfere. Run Dolphin uncensored, unfiltered Llama, or any model you choose. Chat History & Conversations Save, browse, and manage multiple conversations. Pick up where you left off. Delete conversations you no longer need. All conversation history stored locally on your device. Nothing is ever uploaded. Streaming Markdown Rendering Responses render with proper formatting as they stream. Bold, italic, headers, code blocks, numbered lists, and nested bullets. No raw markdown syntax cluttering your chat. Fast on Apple Silicon Built with llama.cpp and optimized with Metal GPU acceleration and BF16 compute on supported hardware. Responses stream in real time with zero server latency. Tuned for iPhone performance. Gemma 4, Phi-4, Mistral, and Llama all run smoothly on recent iPhones. Model Management Browse recommended models including Gemma 4, Phi-4, Mistral, Llama, SmolLM3, and LFM. Download with progress tracking and manage your model library. See model sizes before downloading. Cancel downloads anytime. Corrupt file detection keeps your library clean. Your AI assistant should answer to you, not to a cloud provider.
Utility King
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Utility King packs 27 essential tools into one clean, fast, and fully offline app. Stop cluttering your home screen with single-purpose apps — everything you need is here, works instantly, without Wi-Fi. --- 27 TOOLS INCLUDED --- QR Code Reader Scan any QR code instantly. Supports URLs, contacts, Wi-Fi credentials, and plain text. Barcode Scanner Read barcodes in any format — Code 128, EAN-13, EAN-8, PDF-417, and more. QR Code Generator Create custom QR codes for any text, link, or data. Share or save with one tap. Torch Instant flashlight. Tap once, done. Spirit Level Turn your iPhone into a precision level. Perfect for hanging frames and mounting shelves. Battery Health See your battery's true capacity, charge cycle count, estimated lifespan, and real-time charging status. The data Apple hides. Compass Precise, always-offline directional compass. Qibla Finder GPS-based Qibla direction from anywhere in the world. Accurate, instant, no internet needed. Prayer Times Daily prayer times based on your GPS location. Works completely offline, globally. Unit Converter Convert length, weight, temperature, speed, area, volume, and more — all in one place. Salary Calculator Calculate your real take-home pay after taxes. Supports multiple countries and currencies. Calculator A clean, fast everyday calculator. Stopwatch and Timer Full-featured stopwatch with lap times and a precise countdown timer. Clipboard History Never lose a copied text again. Everything you copy is saved, searchable, and ready to reuse. Password Generator Generate strong, secure passwords with custom length and character rules. Bluetooth Scanner Discover all Bluetooth devices nearby with signal strength and device details. Hidden Camera Detector Scan for suspicious RF signals and detect hidden cameras in hotels, rentals, and changing rooms. Noise Meter Real-time decibel meter. Measure sound levels in your environment instantly. Earthquake Siren A loud emergency siren for critical situations — powerful when it matters most. Secure Vault Store sensitive notes, passwords, and private data locked behind Face ID or Touch ID. Water Tracker Log your daily water intake and build healthy hydration habits. Shopping List A simple, fast grocery and shopping list manager. Date Converter Convert between date formats, calculate the difference between two dates, and work with Unix timestamps. Wi-Fi Info View your current network details: IP address, SSID, and connection info. World Clocks Analog clocks for 24 major cities worldwide. Drag to reorder, tap for full details. Dice and Coin Roll a die or flip a coin — virtual randomness whenever you need it. Tarot Classic tarot card readings for reflection and entertainment. --- WHY UTILITY KING --- • 27 tools in a single app, no clutter • 100% offline — no Wi-Fi required for any tool • Instant startup, no loading screens • Clean interface with light and dark mode support • Pin your favorite tools as shortcuts for one-tap access • Privacy first: no data collection, no tracking, no ads • New tools added with every update --- UTILITY KING PRO --- Unlock all current and future tools with a single Pro subscription. Monthly Plan: Full access, cancel anytime. Yearly Plan: Best value — save over 50%. All future tools included at no extra cost. Five tools are free forever: QR Reader, Torch, Spirit Level, Battery Health, Compass. One download. Every tool you need. Always offline. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://erdikaniks.blogspot.com/2026/04/privacy-policy-utility-king.html
Screenshots
Verdict
The clearest difference is update cadence: Utility King at weekly against Silo's every 15 months. Silo's advantage is iOS requirement (18.6 vs 26.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Silo ships an update every 15 months, Utility King weekly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | Silo | Utility King |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 15 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 6 MB | 8 MB |
| Age rating | 12+ | 4+ |
| Developer | Bixby Apps, LLC | Erdi Kanik |
In-app purchases
Silo
No in-app purchases
Utility King
No in-app purchases









