SIMPLE
Just play my workouts
- Big buttons, no numbers, nothing to get wrong
- Tap Play, follow along, replay whenever you like
- Made for anyone — including your parents
EVERY FEATURE
Everything it plays, and everything it counts
Bring the Instagram reels you saved and the clips on your phone, or use ours: move demos, programs and challenges. Mix them in a routine, press Start, and they play one after another. Simple mode just plays them; Advanced keeps count of every set. Your workouts stay on your phone.
See the app in
INSTAGRAM REELS
Train from the reels you save
Share a public Instagram reel to ReelGainz from Instagram's share sheet, or paste its link. It lands in your workouts as a video you can play, name and build moves onto.
Plays in Instagram's own player
The reel is never copied. It plays through Instagram's embed, from Instagram, with the creator's name and picture at the top and a tap through to their profile. Tap its Play to start it; it plays once, and Replay loads it again. Bigger shows the same reel full-size without starting it over.
Public reels, with a connection
Because Instagram serves the video, a reel needs a connection to play and has to be public. If a creator takes a reel down, the workout you built on it stays, and Remove this video takes it out.
Instagram is a trademark of Meta Platforms, Inc. ReelGainz is not affiliated with or endorsed by Instagram or Meta.
VIDEOS FROM YOUR PHONE
Your own recordings work the same way
Filmed yourself at the squat rack? Got a clip from a coach or a friend in your camera roll? Pick it from your photos and it becomes a workout like any reel: name it, add the moves, train with it on screen. Up to 3 minutes and 400 MB per video.
A phone video plays on its own, muted and looping, with a Sound on button — or flip a Settings switch and every one of them starts with the sound on. It plays anywhere, with or without a connection, because the file is yours.
The video is copied into ReelGainz on your phone and is never uploaded: not to us, not to anyone. Its thumbnail is made on the phone too. Delete the workout and the copy goes with it.
OUR MOVES
350 moves, shown and written
Short videos that each show one move, with its sets and reps already written. Add one to your workouts and put it in any routine, beside your reels and clips.
Shown, then explained
Each demo says what it works, then the steps to do it and a few tips. The name follows your phone's language; the steps are in English for now.
Streamed, never kept
A demo streams from YMove while it's on screen, so it needs a connection, and nothing of it is saved on your phone.
Free of your 500
Your library holds 500 videos you add. Demos don't count toward that, so add as many as your routines need.
PROGRAMS
A plan for the weeks ahead
Ten programs, from 3 to 7 days a week and 6 to 12 weeks long, from a first week in the gym to a full split. A few questions point you to one: what you're training for, where you train and with what, how many days and how long, and anything to go easy on. Your answers stay on your phone.
Home shows today's day with a strip for the weeks. The moves fit where you train — a gym, dumbbells at home, or no equipment — and the ones around the main lifts change every few weeks. In Advanced mode, swap any move, or tap Mix it up for a fresh set. Skip a day, pause or switch programs; your sets and bests stay.
INSIDE A PROGRAM
See every week before you add it
Each program has a page of its own: what it is, how long it runs, and every week's days and moves, one week at a time. Add this program stays in reach at the bottom.
CHALLENGES
One video, one question
Each challenge is a video to watch and try. Add one, play it, and answer one question at the end: did you complete it? The day you did shows beside it, and the Challenge chip on your videos keeps them together.
There are no moves to fill in and no leaderboard. Nothing about a challenge leaves your phone.
THE MOVES
Type them once, or pick them
Every video carries its own list of moves — up to 20 — with sets and reps, or a hold in seconds, and a rest for each. Simple mode skips the numbers and keeps the names.
Names suggested as you type
Start typing "RDL" or "skull crushers" and the move appears, with a sensible plan already filled in that you can change. Your own moves come first, then the built-in library, in your phone's language.
What does it work?
Tag each video with the body areas it trains — Chest, Back, Legs, Core and the rest — and your library filters by them. A routine draws the areas its videos work on a small body map.
Notes where you need them
A note on a video shows in the session, under the move's name, and on the routine's page — not buried in an editor.
ROUTINES
String videos into a plan
A routine is up to 20 videos — reels, your clips and move demos, in any mix — in the order you want them, on the days you pick. Home shows today's routine first, with Start, Edit and a checkmark — did it without the app? Mark it done and the day still counts. Pause a routine for a while and it waits.
In Advanced mode the sets are the routine's too: in Change this routine, take a move down to one set or up to 10 for that routine alone. Your video and your other routines stay the same. Short on time today? Remove a set from the session overview; that one is only for today.
Reminders fire on the days you set, from your phone, with nothing passing through us. Your library holds 500 videos and 50 routines, on any plan; the starter workouts and move demos don't count toward that.
TWO MODES
Simple just plays. Advanced keeps score.
You choose on first launch and can change in Settings any time; both modes share one library.
ADVANCED
Track everything I lift
- Log every set, reps and weight, one tap each
- Rest timers, streaks, volume and a calendar that fills in
- Rate how hard it felt and watch it get easier
Nothing you save is locked behind the choice
Both modes share one library, so you can switch in Settings whenever you like and every video and routine comes with you. What Simple doesn't keep is numbers: it logs no sets, so it has no history, stats, streak or personal records to hand over. If you want those from day one, start in Advanced.
THE SESSION · ADVANCED MODE
Press Start. Press play. Then lift.
A logger built for sweaty thumbs: one tap per set, a rest timer that runs itself, and a finish that tells you exactly what you did — and next time, last time's numbers are right there to beat. The video sits above it: a reel in Instagram's own player — tap its Play, and Replay loads it again — or a move demo or a clip from your phone. Simple mode skips the logger and just plays your videos.
Next video sits under the reel, beside Previous video, and there's a swipe on our panel too — never on the reel, which stays Instagram's. A video with no moves plays through between the logged ones. At the end, five faces from Easy to Max effort, one tap, or switch the question off.
Know the video already? List view takes it off the screen and shows the whole workout as a list: every move with its sets, what you're on and about how long is left, then today's sets against last time's while you rest. Show video brings it back. It lasts the session, nothing of Instagram's stays loaded while it's hidden, and a video with no moves always shows.
A rest turns red for its last 10 seconds. Phone in your pocket? Turn on Alert me 10 seconds before rest ends, Alert me when rest ends, or both in Settings: your own sounds play in your headphones even with the phone locked, and you can choose vibration only. With the app on screen they stay quiet. On Android it can come late while the phone sleeps.
While a session runs, your lock screen shows the move, the set and the rest countdown — a Live Activity on iPhone (iOS 18 or later), in the Dynamic Island and on a paired Apple Watch; a Live Update on Android 16. Names and numbers only, nothing of Instagram's.
These screens show a workout built on a video from the phone. A reel plays in Instagram's own player instead, with the creator's name at the top.
STATS · ADVANCED MODE
Proof it's working
Three rows up top, each closed until you open it, then this week and a calendar that fills in. See the Stats screens.
Personal bests
All of them on one tab, then best sets, 1 rep max, time and distance — from what you log, or typed in by hand for the lifts you did before ReelGainz. A lift with no single gets an estimate. Every lift has its own page: the best over time as a line, how far it has come since your first best, and every entry.
Body measurements
The card opens on a figure: body weight and body fat above it, and a line from each tape part to its latest number, or to an Add where you haven't measured yet. Choose from body weight, body fat, nine tape measurements and up to 10 of your own; a part you turn off keeps its numbers. Tap a part for its page: a goal to grow it, shrink it or just track it, a graph over one month to all time, and a trend line for your weight and body fat once there are enough entries to draw one.
The list
One tap from the figure, the same parts as picture tiles, two to a row, each with its latest number. A dashed tile adds a part you haven't measured yet.
The check-in
One line says when your next check-in is, and Start walks you through the parts you track, in words, with how to measure each. Last time's number sits in the field as a grey hint, and nothing saves unless you enter a number. Pick every week, every 2 weeks, every month or every so many days, with a reminder at the time you choose that opens the check-in and never shows a number.
This week, the calendar
This week shows volume, sessions and one block per session, day by day, with all-time totals under it. The calendar fills in as you train, your streak counted in weeks beside the month; tap a day to see what you did, or delete a session that shouldn't be there.
DISCOVER
Somewhere to start
Four lists, picked by us. Videos holds the 350 move demos, to add one at a time; Routines, demos already put together, to add whole; then Programs and Challenges. Filter by body area, and tap a row to watch it before you keep it. See what's in the library.
On a Spanish phone the names, routines, programs and challenges are in Spanish. Browsing and adding need no account. Anything you don't want to see, hide or report — reports are reviewed within 24 hours.
ON YOUR PHONE
What stays with you
Your workouts never leave the phone
Videos, routines, moves, every set you log, your personal bests and your measurements are saved on your phone, not with us. There is no account unless you sign in, and signing in is only for rating reels and sending reports.
Looks and language
Match my phone, Light or Dark, in both modes. English and Spanish, following your phone. Pounds or kilograms, inches or centimetres.
Leave cleanly
Delete your account from inside the app, signed in or not, or erase this phone only. The Privacy Policy says exactly what is kept and for how long.
Play it. Count it.
ReelGainz is on iPhone and Android, in English and Spanish, for adults 18 or older (21 in Puerto Rico). Join the beta from the home page, or read the plan and support.