oDa.AI vs Phantasm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
oDa.AI
An intelligent, private AI assistant that runs entirely on your device. It can handle conversations, answer questions, offer advice, and manage tasks without sending your data to the cloud. Find photos, ask about images, and get instant task management.
- On-device AI processing
- Private conversations and advice
- Image analysis and photo search
- Instant task management
- No cloud data storage
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Meet oDa, your intelligent, private, and always-available AI secretary. It is powered by a proprietary multimodal reasoning engine that runs on device. Unlike cloud-based assistants, oDa keeps everything local, so your data never leaves your device. No cloud. No leaks. Just you and your AI. Currently oDa supports private talk, ask questions, get advice, or vent about your day, ask questions about images, find photos fast, and give tasks instantly to your secretary with todo.
Phantasm
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Phantasm is a private AI chat client for the backend you already run. Point it at your own server: Ollama, vLLM, llama.cpp, or any OpenAI-compatible endpoint and chat with your own models over your own network. No account, no middleman, no data collection. YOUR SERVER, YOUR RULES • Connect with just a URL and a token — works against a bare Ollama out of the box • Add the open-source Phantasm orchestrator to unlock web search, image generation, and research modes • Multiple backend profiles for home network, VPN, or tunnel setups • Your token lives in the iOS Keychain; conversations are stored only on your phone A REAL CHAT EXPERIENCE • Fast streaming responses with markdown, syntax-highlighted code blocks with copy, and charts • Attach photos and files — vision models can see your images • Generated images appear inline; save or share them • Dictate messages with on-device transcription and have replies read aloud • Long generations survive backgrounding and pick up where they left off • Ask Phantasm from Siri and Shortcuts TOOLS ON YOUR TERMS • Per-chat toggles for web access and image generation • Optional device tools — location, calendar, Apple Health — are off by default and only shared with your own backend when you enable them • See the model's reasoning when a thinking model is selected PRIVATE BY DESIGN Phantasm operates no servers and collects no data. The app talks exclusively to the backend you configure — nothing else. What you say to your AI is between you and your hardware. Phantasm requires an OpenAI-compatible server that you provide (for example, Ollama running on your own machine). Feature availability depends on your backend's capabilities.
Screenshots
Verdict
oDa.AI and Phantasm are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | oDa.AI | Phantasm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | — | Every 8 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 17 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Amit Kumar Singh Yadav | Benjamin Carman |
In-app purchases
oDa.AI
No in-app purchases
Phantasm
No in-app purchases









