Anvil
Anvil is an AI assistant for iPhone that runs its chat and image models on the phone, so it works offline. Free with daily limits, and Pro is $4.99 a month or $29.99 once.
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A closer look at Anvil
An AI chat and image app for iPhone 15 Pro and newer that runs its models on the phone and works offline.
An assistant that works in airplane mode
You're on a flight, or somewhere the signal gave up an hour ago, and the question you'd normally type into a chatbot has nowhere to go. Anvil is made for that gap. Its home page puts the pitch in one line: "a private, offline alternative to ChatGPT." The chat model and the image model run on the iPhone itself, and according to the privacy policy, with a model installed you can use it in airplane mode, "which is the point of the app."
Around the chat sit a handful of tools. You can ask about a photo or a file, keep notes and tasks, and track calendar items and memories. Scribe records and transcribes a meeting, and the policy says meeting audio stays on the device. Pro adds Talk Mode and unlimited image generation.
Where "offline" has edges
A few things can still leave the phone, and Anvil's policy, updated October 22, 2026, goes through them. Web Search is off by default according to the site. When you turn it on, your query goes to Anvil's relay and then to you.com's Answer API. Feedback reports can attach the current chat text, and iCloud backup is optional. There's no account, and by the policy's account the app has no ad network, analytics SDK or automatic crash reporting.
One mismatch is worth knowing about. The App Store privacy label lists an email address, photos or videos and other data as linked to you, which reads broader than the policy. The two don't obviously match, so read the policy's feature-by-feature list before turning on Web Search or sending feedback.
Before you download
The free tier gives 10 chat messages a day, two images a day, five web searches a day and five saved minutes of Scribe. Pro is $4.99 a month or $29.99 once for Lifetime, bought through Apple.
The hardware bar is high. Anvil needs iOS 17 and an A17 Pro chip or later, which means an iPhone 15 Pro or newer, and the App Store download is about 930 MB. The app is rated 13+, and the terms name Anvil Industries Inc. of Orlando, Florida, as the developer.
If you carry a recent Pro iPhone and like the idea of an assistant that keeps working when the signal doesn't, the free tier is an easy way to try it.
Project note details
Dates and editorial links
Published
November 11, 2026
Updated
November 12, 2026
Note history
Publication and substantive update dates for this public note.
- Nov 11, 2026
- Project note published.
- Nov 12, 2026
- Project note updated.
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