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Version 2.0 · Now on Google Play and the App Store

Track the nickel
in what you eat.

Trace Elements helps you follow a low–trace-element diet. Pick the element you care about, log what you eat, and a simple daily ring tells you whether you're under, near, or over your limit.

Works offline · No account · Your data stays on your device
Trace Elements home screen showing the daily progress ring

A daily ring that keeps
you under your limit

Log your meals and the ring fills up, changing color as you approach your daily limit. Patterns that are invisible day-to-day become obvious over weeks.

Good — under your limit Caution — approaching it Over — above your limit
Home screen with a red over-limit ring and a Rough mood
A day that ran over a 150µg nickel limit — the ring turns red. With Pro, an inner ring tracks cobalt on the same day.
Food search autocomplete matching a typed food name
A large built-in food list — type any part of a name, in any word order.
Monthly trends calendar colored by day with mood emoji and Ni and Co badges
Trends color each day so streaks and patterns jump out, and name the element that went over.

Bring your recipes in.
Take one grocery list out.

Version 2.1 turns My Recipes into a recipe box. Import the recipes you already cook from a web page, pasted text, or a recipe card, check every line, and see what each one adds up to. Then pick a week's worth and shop from a single list.

Import from a web page

Share a recipe page to the app or paste its address. Your phone loads the page itself and keeps just the recipe, with no pictures and no stories.

Paste any recipe

From an email, a note, or a message: paste the text and every ingredient line is read, with its amount and unit.

Scan a recipe card

Photograph a family card or a cookbook page, up to six pages, read entirely on your phone. "1 c. oleo" becomes margarine; "butter the size of an egg" gets a best reading, flagged for you. Part of Pro.

Review every line

See what the source said beside what the app understood, fix anything, then let it look up the values and show which ingredients contribute most.

Share recipes phone to phone

Send a recipe file to another Trace Elements user, or plain text to anyone. A recipe you receive is recalculated on your own phone. No accounts, no links.

Grocery lists

Pick recipes and servings and get one list, grouped by aisle. Pantry staples stay out of the way, shopping mode has big checkboxes, and you can share it as text or print it (Pro).

Review recipe screen listing each imported ingredient line with the source text underneath
An imported recipe, line by line, before anything is saved.
Scanned recipe card ingredients with butter the size of an egg read as 4 tablespoons and flagged for review
A scanned card (Pro): old wording gets a best reading, flagged for you to check.
Grocery list grouped by aisle with each line showing its amount and the recipes that need it
Three recipes become one list, grouped by aisle.

Rebuilt from the ground up.
Everything you know is still here.

Version 2.0 is a complete rewrite of Trace Elements — faster and smoother throughout, with the same food database, trends, recipes, favorites, and backups. Your data migrates automatically the first time you open it.

Faster everywhere

Logging, searching, and switching days all respond instantly. Nothing to set up — it installs as a normal update.

Your history comes with you

Logs, foods, favorites, recipes, and settings move over on first launch, and the original copy is kept on the device.

Part of your Google backup

When device backup is on, your history is included and comes back when you set up a new phone — no file juggling.

Scan a restaurant menu

Photograph the menu, pick your dish, and its ingredients are looked up. The photo is read on your phone and never uploaded. Part of Pro.

Every online lookup asks first

Before anything leaves your phone, a dialog tells you exactly what will be sent and to whom — and you can say no.

Fill every missing value in one tap

Ingredients the database can't price are looked up together, with live progress and a Stop button. Food Management gains the same lookup, a prepared-dish builder, and product scanning.

Scan a menu consent dialog explaining that the photo is read on the device and never uploaded
Menu scanning (Pro) — the consent spells out what stays on the phone and what is sent.
Compound dish builder with every ingredient priced after a one-tap batch lookup
A dish pulled from TheMealDB, with the missing values filled by one batch lookup.

Built around how
sensitivities actually work

Most tracking apps are built for fitness or calories. Trace Elements is built for the specific, ongoing work of managing dietary trace elements.

Daily limit ring

A color-coded ring shows today's total against your limit. Amber as you approach, red when you go over. Limits are yours to set — and with Pro, a second ring tracks cobalt alongside nickel.

Large food database

Hundreds of common foods built in — one clean value per food, averaged across sources. Search finds them in any word order, and the online lookup fills gaps with your say-so.

Compound foods & recipes

Log a whole dish at once — from built-in recipes or looked up online. Import recipes from the web, pasted text, or a recipe card, share them phone to phone, and turn a week of them into one grocery list.

Barcode scanning

Scan a packaged product and its label becomes a compound food — ingredients pre-portioned from the label's own composition, ready to tune and log. Rescanning a saved product loads it instantly, fully offline.

Menu scanning Pro

Eating out? Photograph the menu, pick your dish, and the app finds its ingredients and prices them. Text is read on your phone; only the dish name you choose goes online.

Mood & notes journal

Tag each day and jot down how you felt. Line up symptoms against intake to find patterns worth discussing with a clinician.

Trends & history

Week and month views colored by how each day landed, with a badge naming the element that went over. Export a PDF report to bring to a clinic visit.

On-device & offline

No account, no cloud we run. Your logs and food database live on your device, ride along in your own Google backup, and every online lookup asks before it sends anything.

Free to track, Pro to go deeper

Day-to-day tracking is free, full stop. Trace Elements Pro ($1.99/mo or $12.99/yr) adds cobalt tracking alongside nickel, menu and recipe-card scanning, PDF reports, grocery list printing, and file backup — and a tip jar if you'd just like to say thanks. Details in the FAQ.

One app, both platforms.
Now on the App Store.

Trace Elements is built from a single shared codebase, so the iPhone version is the same app, not a port. Version 2.0 is on the App Store today, with the same free core tracking, the same optional Pro subscription and tip jar, and backup to your own iCloud instead of Google Drive.

Trace Elements home screen running side by side on Android and iOS with identical layout
Same app, same day — Android (left) and iOS (right), shown on an earlier build.

Your data never leaves
your device.

Health data is among the most personal information you have. Trace Elements keeps your logs and food database on your device — nothing is uploaded to any server we run.

No account required, ever
Works fully offline
No analytics or tracking SDKs
Every online lookup asks before anything is sent — and sends only a name or barcode
Menu photos are read on your phone and never uploaded
Back up and restore your own data on your terms
Read our Privacy Policy
Not medical advice

Trace Elements is a self-tracking aid, not a medical device. It does not diagnose, treat, cure, or prevent any condition, and its reference values are population-level estimates. If a clinician has put you on a restricted diet, follow their guidance over the app's numbers.

Get Trace Elements

Trace Elements 2.0 is on Google Play and the App Store today. Core tracking is free, no account needed; Pro is an optional subscription.

Get it on Google Play Download on the App Store

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