OpenIntelligence vs Mimi AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenIntelligence
Transform your files into a private, searchable knowledge base. This app uses advanced AI to answer your questions with citations, supporting a wide range of document, audio, video, and code formats. It's designed for Apple devices with Apple Intelligence capabilities.
- Private knowledge base creation
- Citation-backed Q&A
- Supports 50+ file formats
- On-device transcription and indexing
- Hybrid search (keyword & vector)
- Multiple query modes
- Background file ingestion
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You already have the answers. They're just buried in a 300-page manual, a folder of contracts, a semester of lecture recordings, or a codebase you inherited. OpenIntelligence reads what you import and answers questions about it in plain language, with citations you can tap to see exactly where each claim came from. And when your files don't actually contain the answer, it tells you so instead of guessing confidently. ANSWERS START IN YOUR FILES Not in a chatbot's imagination. OpenIntelligence searches your library first, pulls the exact passages that matter, and only then writes, using Apple's on-device Apple Intelligence models. Requires an Apple Intelligence-capable device: iPhone 15 Pro or later, or an M1-or-later iPad or Mac, on iOS/iPadOS/macOS 26. Your device already had the intelligence. This gives it your knowledge, and rules of evidence. WHAT YOU CAN DO - Summarize long documents, recordings, or entire libraries. - Compare claims and details across multiple sources. - Find exact facts, dates, specifications, measurements, and table values. - Ask follow-up questions without losing the sources or the thread. - Choose Standard for quick factual work, Deep Think for multi-step questions, or Maximum for broader evidence synthesis. BRING YOUR OWN MATERIAL Import PDFs, Office documents, text and Markdown files, CSVs, code, images and scans, audio, or video. Pages, Numbers and Keynote files need to be exported to PDF first. OpenIntelligence extracts text, uses Vision OCR where needed, transcribes speech, and builds a searchable index for each library. HOW ANSWERS ARE BUILT Exact keyword matching and semantic search work together to retrieve the passages that matter. Apple Foundation Models turn those passages into a natural-language response. Then the app checks its own answer against the passages it actually used, so you can inspect what it's standing on instead of taking its word. If the sources do not establish an answer, the app flags weak support or abstains. No confident filler. WHERE YOUR FILES GO (AND DON'T) Reading your files, searching them, and choosing what to cite all happen on your device, start to finish, before anything is written. On-device answers need no connection at all. On a plane, in a dead zone, in a locked-down office, your library still works. For longer, evidence-heavy questions on iOS, iPadOS or macOS 27, you can optionally allow Apple Private Cloud Compute to write the answer. The app shows you exactly what would be sent and asks you to approve it first, and Apple's servers keep nothing afterwards. Your material is never sent to a third-party AI provider. ANSWERS YOU CAN INSPECT Inline citations connect answers to their supporting pages and passages, one tap from claim to source. If you want more, response details go deeper: source snippets, retrieval quality, verification warnings, timing, and the route that actually produced the answer. The optional telemetry interface goes deeper when you want it and stays out of the way when you don't. LIBRARIES THAT FIT YOUR WORK Keep different subjects, projects, or clients in separate libraries. Choose Local Only or iCloud Drive for each library, and organize ongoing research in saved conversation threads. Siri and Shortcuts actions are available for common document and library workflows. OpenIntelligence is built and maintained by one developer. Pro and Lifetime support directly fund continued development. To everyone already supporting the app: thank you. It has been a wild journey. Privacy Policy: https://gunzino.me/openintelligence/privacy
Mimi AI
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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
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Verdict
The clearest difference is in-app purchases: Mimi AI at none against OpenIntelligence's 4. Mimi AI also leads on iOS requirement (18.0 vs 26.0). On price, update cadence, 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
Both are free to download. OpenIntelligence sells 4 in-app purchases, starting at $5.99 per month. Mimi AI asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.
| Parameter | OpenIntelligence | Mimi AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 166 MB | 22 MB |
| Age rating | 17+ | 12+ |
| Developer | Gunnar Hostetler | Anuraj Maurya |
In-app purchases
OpenIntelligence
- Pro Monthly$5.991 Month
- Pro Annual7 Days trial$29.991 Year
- Document Pack$2.99
- Lifetime Cohort$59.99
Mimi AI
No in-app purchases









