For iPhone

Act 1:PersonalOS

Building the trust layer for your health

iOS 26+
Today
Wednesday, 23 September
Eating7h 18m
Calories1,120of 1,678+218 burned
Protein72of 109 g
Carbs140of 205 g
Fat31of 47 g
6:16 AMSlept 7.2 of 8.3 h87 / 100
8:10 AMGreek yogurt, berries, granolaLooked up320 kcal
12:40 PMChicken rice bowlEstimated640 kcal
1:15 PMWalking218 kcal
2:50 PMApple and almonds160 kcal
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Chicken rice bowl
Walking · 218 kcal
Apple and almonds
Planning
Strength training
Asleep by 10:45Up 7:05 for 8.3 h
3:32p

Act 1: PersonalOS

Today

Calories, macros, sleep and workouts in one list. Switch to Calendar to see the day on the clock.

Eaten today
Calories1,120
Protein72g
Carbs140g
Fat31g

Tomorrow

Tomorrow’s calendar on a clock, with a bedtime.

9:30 AMStandup
12:30 PMLunch, Maya
6:00 PMGym
11:00 PMAsleep by

Nutrition

Scan it, photograph it, or pick a usual.

Scan a barcodePhotograph the mealPick from your library

Act 2: Benchmarks and Pre-Training

We type a meal the way you would, send it through the same request the app makes, and score the calories against USDA.

User inputs
Anthropic evals
Jev by TypeSafe AI
midnight
MidnightDB
Google DeepMind RSI Open Source
See the benchmark

Every number shows its math.

Tap a total to see the rows that add up to it.

Calories left1,678 − 1,120 = 558 kcaltarget − eaten
Sleep score7h 12m ÷ 8h 18m = 87slept ÷ need
Fast7:40 PM → 8:10 AM = 12h 30mlast food → first food
Logging

Log a meal in a few taps.

Barcode

Uses the numbers on the label.

Photo

AI estimates each item on the plate. Edit any of them.

Library

Your usual meals, a tap away.

Fasting

Times the gap since your last meal, on your Lock Screen.

Privacy

What happens to your data.

  • No ads. Your health data is never sold or used for advertising.
  • Reads Apple Health. Never writes to it.
  • A meal photo you choose goes to Google’s Gemini for the estimate, and isn’t kept.
  • Delete your account and data from Profile in the app.
From Apple Healthread only
StepsActive energyWorkoutsSleepWeightBody fatHeightDate of birthSex

You choose which ones, the first time Midnight needs them.

Read the privacy policy

Start today with midnight.