Liftosaur Features

Everything the app does, one page per feature, with screenshots. For the Liftoscript language, the API and the MCP server, see the documentation.

Start here

First Run and SettingsFirst Run and SettingsPick your units, equipment and program on the first run, then tune the Me tab: dark mode, text size, week start, Always On Display and more.Using AI with LiftosaurUsing AI with LiftosaurAdd Liftosaur to ChatGPT, or connect Claude and Gemini through the MCP server, and ask the assistant to write programs, log workouts and analyze your history.PremiumPremiumOne subscription unlocks plates per side, graphs, muscle views, Week Insights, the Apple Watch app and the API. Monthly, yearly or lifetime.

Workout

Logging a WorkoutLogging a WorkoutTap the checkmark to complete a set. See big reps and weight fields, plates per side, and your last and best results. Swipe between exercises, then finish.Rest TimerRest TimerStarts on its own after every set, using the rest time from your program. Adjust it with one tap, on the lock screen, through headphones or on Apple Watch.Timed Sets, Intervals and CircuitsTimed Sets, Intervals and CircuitsTime the set itself, not only the rest. Planks, carries, EMOM and Tabata get a countdown, a set clock and a recorded time, with auto-advance between rounds.AMRAP, RPE, Ask-Weight and Unilateral SetsAMRAP, RPE, Ask-Weight and Unilateral SetsAdd a + in your program and the app asks what you did: AMRAP reps, RPE, the weight lifted, or a progression value. Unilateral sets track reps per side.SupersetsSupersetsGroup two or more exercises, and the workout screen moves to the next one after every set. Set the groups in the program text, the editor or the workout.Changing Today's WorkoutChanging Today's WorkoutSwap, add or remove exercises mid-workout, train without a program, turn an ad-hoc workout into a program day, or edit the program day from the workout.History and CalendarHistory and CalendarEvery finished workout is a card on the Home tab, under a week strip and a month calendar. Open a past one to fix sets, move it, add a note or delete it.Lock Screen, Notifications and AudioLock Screen, Notifications and AudioComplete sets and adjust rest from the iOS Live Activity, Dynamic Island or Android Live Update, and get a notification with the next set and plates.Apple WatchApple WatchRun your workout from your wrist. Log sets with the Digital Crown, answer AMRAP and RPE prompts, run timed sets and see your heart rate.

Programs

Built-in ProgramsBuilt-in ProgramsAbout 60 popular programs like GZCLP, 5/3/1, Starting Strength and PHUL. Filter by experience, days a week and goal, preview every day, start with one tap.Program EditorProgram EditorBuild a program on a calendar grid, in a per-day UI, or as Liftoscript text. Edit sets, reps, weight, RPE and timers, and go back to any earlier version.LiftoscriptLiftoscriptWrite a program as text: one line per exercise with sets, reps, weight, 1RM percentages and RPE. Split it into weeks and days, and reuse lines.Progressions and StateProgressions and StateTell the app how to add weight or reps over time. Pick a built-in linear, double or sum-of-reps progression, or write your own script with state variables.PlaygroundPlaygroundSimulate workouts to see how weights, reps and state variables change from week to week. Nothing you do there touches your history, settings or program.Editing on DesktopWrite your program in a browser with a full keyboard, autocomplete and weekly volume stats, then send it to the phone with one link.

Exercises and equipment

ExercisesExercisesHundreds of built-in exercises with muscle maps. Search, filter by equipment and muscle, swap mid-workout, and open each one's history, records and 1RM.Custom Exercises and Muscle GroupsCustom Exercises and Muscle GroupsAdd exercises missing from the built-in list, with muscles, types, notes and an image. Let AI fill the muscles, and split or hide muscle groups.Equipment, Plates and GymsEquipment, Plates and GymsTell Liftosaur what bar, plates and fixed weights you have, and it rounds every target weight to what you can load. Keep a separate equipment list for each gym.

Progress

GraphsGraphsSee max weight, volume and estimated 1RM per exercise, weekly volume per muscle group, and bodyweight. Long-press a point to see the workout behind it.Week InsightsWeek InsightsSee this week's total sets, volume, PRs, strength and hypertrophy split, and sets per muscle group against your target range. Tap a number for details.Measurements, Sleep and NutritionMeasurements, Sleep and NutritionLog bodyweight, body fat and 13 body sites, with a moving average graph, and see sleep, calories and protein from Apple Health or Health Connect.Apple Health and Health ConnectApple Health and Health ConnectSend finished workouts and body measurements to Apple Health or Health Connect, and read bodyweight, body fat, sleep, calories and protein back into the app.

Sharing and data

Sharing WorkoutsSharing WorkoutsPost a finished workout to Instagram Story, Feed or TikTok as an image, share it anywhere, copy it as text or a link, or show it on a public profile page.Sharing ProgramsSharing ProgramsCopy a public link to any program, generate an image with a QR code, or grab a private link to edit it on your laptop. Anyone with the link can add it.Import and ExportImport and ExportImport workout history from Hevy or a CSV file, with a preview and undo. Export everything as JSON, your history as CSV, or your programs as text.Sync and OfflineSync and OfflineSign in once and your workouts, programs and settings follow you across iOS, Android and web. Train offline and sync when you are back online.Account and Sign-inAccount and Sign-inSign in with Apple, Google or email to sync workouts, share links and keep Premium on every device. Keep several local accounts on one phone.APIAPICreate an API key in the app, then read and write programs, history, measurements and equipment from any script. Run whole workouts through the engine.