What you end up with
Nut AI running on your iPhone. It is free, and it stays free — there is no account, no trial and no subscription at the end of this.
- Time
- About 30 minutes
- Steps
- 17
- Cost
- Free
Before you start
These are one-time installs. If you have used Terminal before, you may have them already — the first step checks.
Install Git
Apple opens a small installer.
Type this into Terminal, then press Return.
xcode-select --installYou know this worked when: Git responds with a version number
Install Node LTS
Choose the macOS Installer (.pkg).
Open downloadYou know this worked when: Node responds with a version number
Install Nut AI
Open Terminal
Keep it open beside this page.
You know this worked when: Terminal is open
Check Git and Node
Git and Node 20.19 or newer are required.
Type this into Terminal, then press Return.
git --version node --versionYou know this worked when: Git and Node respond with version numbers
Copy Nut AI to this Mac
Type this into Terminal, then press Return.
cd ~ if [ ! -d nut-ai/.git ]; then git clone https://github.com/Blueturboguy07/nut-ai.git fiYou know this worked when: A nut-ai folder appears
Open the nut-ai folder
Type this into Terminal, then press Return.
cd nut-aiYou know this worked when: Your terminal prompt is inside the nut-ai folder
Use the reviewed version
Type this into Terminal, then press Return.
git checkout d076430bc689d2ebd84a07f7a4bcbc3368466728You know this worked when: Git reports the reviewed commit
Install dependencies
Type this into Terminal, then press Return.
npm installYou know this worked when: The command finishes without an error
Build the nutrition database
It downloads the USDA tables itself first (about 10 MB). Re-running it is always safe.
Type this into Terminal, then press Return.
npm run data:buildYou know this worked when: It ends with 'Built …/nutrition.db' and foods: 7928
Install Xcode
Large — start it early. Open it once afterwards so it finishes installing.
Open the App Store pageYou know this worked when: Xcode opens without asking to finish setup
Generate the iPhone project
Type this into Terminal, then press Return.
cd apps/mobile npm run prebuildYou know this worked when: It ends with the use-release-scheme message
Open the project in Xcode
Type this into Terminal, then press Return.
open ios/NutAI.xcworkspaceYou know this worked when: Xcode opens with the NutAI project
Sign the app with your Apple ID
NutAI target → Signing & Capabilities → Team. A free Apple ID works.
You know this worked when: Signing & Capabilities shows no red error
Plug in your iPhone
Unlock it, tap Trust, then pick it from the device menu.
You know this worked when: Your iPhone is selected as the run destination
Press Run
The ▶ button. The first build takes a few minutes.
You know this worked when: Xcode finishes with Build Succeeded
Trust yourself on the iPhone
On the phone: Settings → General → VPN & Device Management → your Apple ID → Trust.
You know this worked when: Your Apple ID shows as trusted
Open Nut AI on your iPhone
Scans use your own AI key (add it in Profile). Free signatures last 7 days — Run renews.
You know this worked when: Nut AI opens on your phone
If something goes wrong
Nothing here can damage your computer, and every step can be run again safely. If a command fails, the usual cause is the step before it not having finished.
Still stuck? Tell us what happened and we will fix the guide. Include the step number and we can usually reproduce it.