Comparison

Ari Helper vs Diagrams

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

Head to head
About

Ari Helper

This AI assistant operates entirely offline on your device, prioritizing your privacy by not collecting personal data. It offers advanced features like image generation, PDF analysis, and integration with Shortcuts for seamless workflow automation.

Highlights
  • Offline AI model operation
  • Privacy-focused, no data collection
  • Siri and App Intents integration
  • Full Shortcuts catalog support
  • Image generation and editing
  • PDF analysis
  • Apple Watch companion app
Features
Read full description

Introducing Ari - Your Easy-to-Use AI Assistant! Meet Ari, your personal AI assistant, right on your device! Ari runs its models on the device itself, so it works entirely offline — no internet connection required. Your privacy is our priority – Ari doesn't collect any of your personal data. Start Ari anywhere with Siri and App Intents — just say "Ask Ari," speak your question, and hear the answer back. Power users get a full Shortcuts catalog: Ask Ari with any model (Apple Intelligence, local, or cloud), start chats, generate and edit images, analyze PDFs, speak replies, change settings, queue Code Session tasks on Mac, and dispatch prompts to other devices — all chainable in Shortcuts. Ari is on your wrist too: the Apple Watch app remote-controls Ari on iPhone. Dictate from the "Ask Ari" complication or Smart Stack, watch answers stream in, hear them spoken, and hand long replies to iPhone. Questions queue when the phone is away; private chats stay off the watch. Conversations show up in Spotlight — including by what's in their images. Ari reads text and objects in chat pictures on-device so you can search for "that screenshot with the receipt". Private media is never indexed. With Sensitive Content Warning on, flagged images blur behind "Show Anyway" (verified adults can opt out). More to love: Text-to-Speech (device voice or Ava); long-press to copy or retry across models; syntax highlighting with one-tap code copy; Previous Chats synced via iCloud. On Apple Intelligence (iOS 26 / macOS 26 and later), Ari uses the on-device foundation model by default — private, no API key, no network. Attach images: on iOS 27 and macOS 27 the model sees them directly; on OS 26 Ari describes them on-device with the Vision framework (text, tables, barcodes, subjects). Prefer full vision models? Pick one from the menu. Download on-device models with a tap — Google's Gemma 4 for chat, Stable Diffusion converted for Core ML for pictures — or import a model folder of your own. Self-host with Ollama or any OpenAI-compatible server (LM Studio, vLLM, llama.cpp, LiteLLM), or generate images with Draw Things over gRPC. New in Ari 7: Ari makes pictures and films, and repairs the ones you already have. Films is a studio — write a film as a list of shots, render them one at a time, keep the ones that work, and watch the cut come together in a player above the timeline. Pictures get a canvas editor: brush over a crease and heal it, paint a leash or a stranger out of the frame, or treat the whole photograph — repair, denoise, sharpen camera shake, colorize, upscale four times. Every restoration model runs on your device and downloads on first use rather than shipping in the app. Point the camera at something and ask about it. Look at Something sends the frame to whichever model you have selected — on-device, self-hosted or cloud — captions the answer under the picture and speaks it if you like. Talk to it and it listens, answers, then listens again. It sits beside the microphone, and goes on the Lock Screen, Control Center, the Action Button or Siri. Cloud providers with your own keys: OpenAI (GPT-6 and GPT-5 families plus GPT Image), xAI Grok (4.7 plus Grok Imagine), Anthropic Claude, Google Gemini (plus Nano Banana and Omni video), and AWS Bedrock. Image-capable models accept photos; import text and source files. Cloud use reminds you each provider's privacy policy applies. On Mac, open a Code Session on a project folder with Grok for agentic tools — read, edit, search, git, shell, browser, web, and MCP — so Ari's GUI agent matches a terminal coding agent. Note: For strongest privacy with iCloud sync, enable Advanced Data Protection. Without it, conversations stay limited to your iCloud account but are not fully end-to-end encrypted. Optionally powered by Gemma 4 (HuggingFace) for offline chat and image understanding. Download Ari and keep your AI assistant at your fingertips!

About

Diagrams

Features
Read full description

Turn ideas into beautiful and professional diagrams using Apple Intelligence (On-device AI). Describe a problem, concept, or process — and instantly get a clean, structured, vector-based diagram. A modern evolution of concept mapping and brainstorming — fast, smart, and visually stunning. A universal visual thinking tool for work, study, and everyday problem solving. From simple notes to complex systems, it helps you structure ideas visually across science, technology, business, education, and engineering. Not a drawing app. A thinking app. Turn ideas into visuals — instantly. Designed for specification-driven diagram generation rather than chat. AVAILABLE DIAGRAM SKILLS: • Kanban • Gantt Chart • Mindmap • Conceptmap • Dependency Graph • Sticky Notes • Lists • Data Model (e.g. ER Diagram) • Object Model • Organizational Chart • Decision Tree • Processflow • Workflow (e.g. swimlane or activity diagram) • Messageflow (e.g. sequence diagram) • Tree Structure • Information Architecture (e.g. sitemap) • Layered Architecture • Client-Server Architecture Every skill includes a ready-to-use example prompt to help you get started. KEY FEATURES: • AI-powered diagram generation from text prompts • Vector-based output (PDF quality, not raster images) • Export or share the PDF diagram • Runs fully on-device using Apple AI models • No subscriptions, no usage limits • Clean, structured, professional diagrams • Works for any domain: science, business, education, engineering and more USE IT FOR: • Explaining concepts • Studying complex topics • Planning projects and systems • Creating structured diagrams from ideas • Visualizing workflows, processes, and relationships • Turning messy thoughts into clarity DESIGNED FOR: • Students learning complex subjects • Professionals in documents and presentations • System and business analysts • Engineers designing systems and flows • Software architects and developers • Teachers explaining concepts visually • Anyone who thinks better visually Apple Intelligence is required for this app. Make sure it is supported on your device and enabled in Settings.

Screenshots

Ari Helper4 screens
Diagrams4 screens

Verdict

The call

The clearest difference is price: Diagrams at $4.99 against Ari Helper's $24.99. On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Ari Helper costs $24.99 and Diagrams $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ari Helper ships an update weekly, Diagrams every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Ari Helper versus Diagrams: the parameters behind the verdict, then further details
ParameterAri HelperDiagrams
Price$24.99$4.99 — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, Mac
Requires iOS26.026.0
Further details — not scored
Size95 MB4 MB
Age rating17+4+
DeveloperBlaine MillerElsa Mourato

In-app purchases

None

Ari Helper

No in-app purchases

None

Diagrams

No in-app purchases

Questions

Is Ari Helper free?
Ari Helper costs $24.99, with no in-app purchases.
Is Diagrams free?
Diagrams costs $4.99, with no in-app purchases.
Do Ari Helper or Diagrams have ads?
Neither Ari Helper nor Diagrams shows ads.
Which is updated more often, Ari Helper or Diagrams?
Ari Helper ships an update weekly, and Diagrams every 5 days. Most recently, Ari Helper was updated on November 5, 2026 and Diagrams on October 31, 2026.

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