Comparison

Mimi AI vs OpenClient

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

Head to head
About

Mimi AI

Features
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Meet Mimi — your private AI assistant that lives entirely on your device. No cloud. No accounts. No tracking. Your conversations stay yours, always. Unlike other AI apps, Mimi never sends a single byte to any server. Everything runs locally on your iPhone or iPad — even without internet. WHY MIMI Most AI assistants require an internet connection and send your data to remote servers. Mimi works differently. Your prompts, responses, and personal data never leave your device. No sign-up. No API keys. No subscriptions. KEY FEATURES Fully offline AI — works anywhere, anytime, no Wi-Fi needed Zero data collection — no accounts, no telemetry, no tracking Model Store — browse and download curated AI models with one tap Three ready-to-use models — MimiAI (compact), Llama 3B, and Mistral 7B Custom model import — bring any GGUF model from Hugging Face or your files SHA-256 verification — every model is cryptographically checked before use Smart context — optionally connect Calendar, Contacts, Files, or Web for grounded answers Agent Memory — Mimi remembers your preferences across conversations Multiple chat sessions — organize and switch conversations instantly Advanced mode — tune temperature, context length, top-p, and GPU layers WHAT YOU CAN DO Get instant answers without searching online Brainstorm ideas and draft messages privately Summarize documents and PDFs on-device Ask questions about your schedule or contacts Browse and research the web through Mimi Have a personal assistant that actually knows you PRIVACY BY DESIGN All AI processing happens on your device. Every integration — Calendar, Contacts — is strictly opt-in and disabled by default. You always control what Mimi can access. No exceptions. SYSTEM REQUIREMENTS iPhone or iPad running iOS 16 or later. At least 2 GB of free storage recommended for smaller models; larger models need more space and RAM. Download Mimi and experience AI that respects your privacy. DISCLAIMER Responses are generated by artificial intelligence and may not always be accurate. Please verify important information independently

About

OpenClient

Connect to your self-hosted AI models for private conversations without subscriptions. Supports multimodal input, real-time streaming, and extensive model compatibility. Offers robust conversation management and personalization features.

Highlights
  • Connect to self-hosted LLMs
  • Real-time streaming responses
  • Multimodal input (photos, PDFs)
  • Conversation history and branching
  • Prompt templates and memory
  • iCloud sync
  • Export conversations to JSON
Features
Read full description

OpenClient is an independent AI chat client for professionals and developers who run their own LLM infrastructure. Connect it to your self-hosted server and chat with your models, without mandatory subscriptions. Compatible with LiteLLM, Ollama, and OpenAI-compatible servers. Supports many popular model families, including GPT, Claude, Llama, Gemini, Mistral, and more. Chat • Real-time streaming responses with Markdown and code block rendering • Collapsible Thinking section for supported reasoning models • Attach photos, camera captures, and PDF documents for multimodal conversations • Drag and drop text, images, and files from other apps (Split View, Stage Manager, Finder on macOS) • Dictate messages with Speech-to-Text and listen with Text-to-Speech • Web search through the search provider configured on your server • Tool-calling support for models that provide function calling • MCP (Model Context Protocol) tools, browse, enable, and use external tools from MCP servers like GitHub, databases, and more, configured on your LiteLLM server • Favourite messages to bookmark and revisit quickly • Per-conversation system prompt and model parameters (temperature, max tokens, top-p) Conversations • Full conversation history with search, pins, and tags • Branch from any message to explore alternatives, then edit and regenerate • Media & Files gallery to browse all attached images and documents • Share content from any app directly into a new conversation via Share Sheet • Apple Shortcuts integration: New Chat, Search Chats, Send File to Chat • Home Screen widgets: New Chat, Search, Quick Actions, Conversations Overview • Control Center button: start a new chat from Control Center • iCloud sync across your Apple devices • Export conversations to JSON • Token usage per message and estimated conversation cost Models • Browse available models with capability badges (vision, tools, JSON mode) • Model detail sheet with context window, pricing, provider, and capabilities • Voice selector for Text-to-Speech models • Switch models per conversation Personalization • Prompt template library for recurring workflows • User profile to provide name and context • Memory to save facts and preferences, synced via iCloud On macOS • Menu bar companion for quick access without opening the main window Privacy • OpenClient does not operate a backend service for your chats. Your requests are sent to the server you configure. • OpenClient does not include advertising SDKs or third-party analytics trackers. This project is licensed under the GNU Affero General Public License v3.0: https://github.com/ArtCC/openclient-llm Privacy Policy: https://arturocarreterocalvo.com/openclient-llm/privacy Terms of Use: https://arturocarreterocalvo.com/openclient-llm/terms OpenClient is an independent client and is not affiliated with or endorsed by the model or platform providers referenced above.

Screenshots

Mimi AI4 screens
OpenClient4 screens

Verdict

The call

The clearest difference is in-app purchases: Mimi AI at none against OpenClient's 5. Mimi AI also leads on iOS requirement (18.0 vs 26.0). OpenClient's advantage is update cadence (every 3 days vs weekly). On price, ads 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. OpenClient sells 5 in-app purchases, starting at $2.99 per month. Mimi AI asks for nothing beyond the download.

UpkeepUpdate frequency

Mimi AI ships an update weekly, OpenClient every 3 days. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Mimi AI versus OpenClient: the parameters behind the verdict, then further details
ParameterMimi AIOpenClient
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.0 — better26.0
Further details — not scored
Size22 MB256 MB
Age rating12+4+
DeveloperAnuraj MauryaArturo Carretero Calvo

In-app purchases

None

Mimi AI

No in-app purchases

5 purchases

OpenClient

Subscriptions2
  • Monthly Support$2.991 Month
  • Annual Support$8.991 Year
One-time3
  • Small Coffee$2.99
  • Medium Coffee$3.99
  • Big Coffee$8.99

Questions

Is Mimi AI free?
Mimi AI is free to download, with no in-app purchases.
Is OpenClient free?
OpenClient is free to download, with in-app purchases available.
Do Mimi AI or OpenClient have ads?
Neither Mimi AI nor OpenClient shows ads.
Which is updated more often, Mimi AI or OpenClient?
Mimi AI ships an update weekly, and OpenClient every 3 days. Most recently, Mimi AI was updated on September 20, 2026 and OpenClient on September 10, 2026.

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