slotho

slotho

Food, workout and sleep

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Free
In-App Purchases

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Released
September 6, 2024
Updated
November 5, 2026

Features

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About

slotho is a food, drink, sleep, workout and fasting diary that also tells you how those things connect. The insights are worked out on your device, and everything you log goes to Apple Health, where it stays yours. LOG IT IN SECONDS - Search a food, scan a barcode, photograph a plate, or type "two eggs and a coffee" - Hundreds of common foods built in, most with their own illustration, plus Open Food Facts and USDA FoodData Central - Drinks log what is actually in them: water, caffeine and alcohol - Meals, favorites and plans you can reuse - Log from Apple Watch, the Home Screen, Siri or a Shortcut - Delete any entry where you see it, with Undo HOW FOOD MAKES YOU FEEL - Six digestion symptoms with severity, where a symptom-free visit counts as evidence too - Ten more symptoms, from headaches to appetite changes - Mood check-ins through Apple Health's State of Mind - GLP-1 Mode: your dose days from Health, with symptoms on the days after a dose compared with later days - slotho looks for foods that show up before a symptom, using only your own logs, and says so only once the evidence is there - Correlations across sleep, digestion, energy, caffeine, alcohol and heart-rate variability - Ask your history in your own words, such as "When did I last eat salmon?", and get the answer from your own logs YOUR DAY IN ONE VIEW - A daily balance from sleep, food, activity and recovery - Energy in against energy spent, plus macros, fiber, sugar and electrolytes - Water, caffeine and alcohol - Home Screen and Lock Screen widgets, and an Apple Watch complication - A report for your dietitian or your trainer, ready to send FASTING - An eating window for each day of the week - Your fast starts when you actually finished eating, not when the schedule said you would - The stage you are in on Today and on your wrist, stage notifications, and a morning recap for the ones you slept through SLEEP, RECOVERY AND MIND - Stages, duration, and how regular your nights are - Resting heart rate and heart-rate variability against your own baseline, never a population figure - Training load: this week against your last four - Breathe, and six guided meditations read aloud WORKOUTS - Build plans on iPhone, run them from your wrist - Timed sets, rests, and exercise notes read aloud on the watch - Sloth Pacing ends a rest when your heart rate has come back, not when a timer says so - Save workouts, nights of sleep, meals and mindful sessions to Calendar - slotho only ever adds events, and never reads your calendar PRIVATE BY DEFAULT - Correlations are worked out on your device - Photos sent for analysis are stripped of location, capture time and camera details first - No account, no advertising, no tracking FREE, AND PRO Free is a complete diary: unlimited food, drink and symptom logging, the fasting timer, unlimited meal and workout plans, breathing and guided meditations, and logging on Apple Watch. PRO adds your daily balance score, the correlations, weekly recaps, your full history, and Sloth Pacing and Coach Voice on the watch. PRO also brings its own AI, with no key of your own: meal photos and typed foods read, foods drawn, meal and workout plans drafted, customized voice meditations and your workout notes voiced, and questions about your history answered, all from one monthly balance of credits. Monthly or yearly, with a free trial. Also on iPad and Mac, kept in step through Apple Health and iCloud. Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in slotho

26.8

November 5, 2026

iPhone - Feature: slotho PRO comes in three plans: PRO Lite, PRO and PRO+. Every plan has every PRO feature; they differ only in the monthly balance of slotho's AI credits, and the free month carries 30% of the plan's credits. - Feature: Log a Past Workout, on Log, without an Apple Watch: pick the activity, when, how long and how hard. It counts in your month grid, streaks, training load and trainer report. - Feature: Workouts on the iPhone can run a plan: sets, timers, rests and holds, with Coach Voice, the countdown and your notes read aloud. Three screens while you train, and Next on the Lock Screen. Settings, Workouts has a Voice page. Needs iOS 26. - Feature: On iOS 26, start a workout from Workout Plans on your iPhone: it records time and energy with the phone locked, shows on the Lock Screen with pause, resume and end, and saves to Health. A connected heart rate sensor, such as AirPods Pro 3, adds your heart rate. - Feature: No Apple Watch? Your iPhone can record your night. Tap Record Tonight with Your iPhone on Log Sleep or the Evening page and lay the phone flat on the mattress. In the morning, check the night slotho estimated before it is saved to Health. - Feature: Photograph a restaurant's menu from the Where sheet. Its dishes are kept for that place, lead your suggestions as you type (From This Menu), and a photo of your meal is named as the dish you ordered. With slotho PRO, Find the Menu Online reads the menu from the restaurant's own website. - Feature: Log brushing your teeth, in the new Care group on Log: Brushed Now, a 2-minute timer, and Listen for My Toothbrush, which times only the seconds your iPhone hears a toothbrush, analyzed on the phone and never recorded. Brushing that toothbrush apps write to Health shows too. - Feature: Medications from Health: a switch in Profile shows the doses you log in Apple Health on Today and in History. slotho only reads them. - Feature: More, under the drinks on Log, logs any drink in a half sheet: water, caffeine, alcohol or electrolytes, opening on the drink you log most at your usual amount. - Feature: Breathe, Meditate and Brushing open a drawer on Log: one tap starts a session. - Feature: During a free trial, slotho tells you two days before it becomes a paid subscription, with the date and the price, and a tap opens your subscriptions. Settings, Notifications has a Free Trial Reminder switch. - Feature: Snap a Meal names a packaged food by its brand and its name as printed, and looks up a barcode it sees in the photo. A barcode Open Food Facts does not know can be read from photos of the pack. - Feature: Typing a dish, such as "chicken caesar salad", breaks it into its usual ingredients, each with an amount. - Improvement: Where you are eating fills the food logger's empty space. The first time, slotho asks where you are eating and why it helps. - Improvement: Amount wheels are easier to read: bigger digits, no gray bar. - Fixed: History's filters show as soon as it opens. A place chosen before the first food stays with the meal. A weight reminder opens Log Weight every time. A logged symptom lands on the Log list. Apple Watch - Feature: Brushed Now and a 2-minute timer in the Log list, and a Brushed Now control for Control Center and the Action button. - Improvement: Weight and a drink's amount use the same wheels: the Digital Crown turns the underlined digit, and a tap underlines another. - Fixed: The brushing timer appears as soon as you tap it.

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Subscriptions & In-App Purchases

slotho PRO+ (Monthly)

All of PRO, up to 2,200 AI credits a month

$12.991 Month
1 Month trial
How to cancel slotho subscription ⁉️

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