The home gym app that loads your own plates

A home gym app should know your bar and plates, plan around a rack and a bench instead of a row of machines, and judge your sets when there's nobody to ask. RIRLift sets each weight from what you logged, rounds it to a load you can put on the bar and shows the plates per side. It's free on iPhone and Apple Watch; entering your exact plates and bar is Pro.

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The plate calculator on Apple Watch: 100 lb entered, the plates per side beneath it

What a garage or home gym needs from an app

Garage sessions, set by set

Squat day on a 45 lb bar, plates down to 2.5 lb

Running Day 1 of the squat, bench and deadlift plan below in a two-car garage: a rack, a bench, a bar and a standard plate set.

ExerciseYou loggedNext sessionWhy
Barbell Back Squat275 lb, 5 / 5 / 5 / 5 reps, 2 left280 lb × 3Every set hit 5, the top of 3–5. One step up, which with 2.5 lb plates is 5 lb on the bar, and reps reset to 3.
Barbell Bench PressSet 1: 185 lb × 8, 3 left (target 7 with 2 left)Set 2: 195 lb8 reps with 3 left converts to about 195 lb for 7 with 2 left: 185 × 40 ÷ 38, rounded to your plates.
Barbell Row155 lb, 8 / 7 / 6 reps, 2 left155 lb × 7Today's target was 6 and your weakest set made it. Same weight, aim for 7.

The second bench set was corrected before you loaded it, and the calculator showed which plates to add.

The deadlift stops moving

Three Day 3 sessions in a row at the same weight, with no new rep. This is where a garage lifter usually grinds for a month.

ExerciseYou loggedNext sessionWhy
Barbell Deadlift365 lb, 4 / 3 / 3 reps, 1 left, third session running325 lb × 3–5, or stayThree sessions without a new rep, so the recap suggests about 10% lighter, rounded down to 325. Choose Deload or Not yet.
Pull-UpBodyweight, 8 / 7 / 6 reps, 1 leftPull-Up × 7Swapped in for the pulldown your garage doesn't have. Today's target was 6, so next time it's 7.

A stall gets a lighter run-up you can accept or wave off. The rest of the session keeps progressing.

You bought a pair of 1.25 lb plates

Bench day, on Pro with the new plates entered, so the smallest change to the bar is 2.5 lb.

ExerciseYou loggedNext sessionWhy
Barbell Bench Press205 lb, 5 / 5 / 5 / 5 reps, 2 left207.5 lb × 3Top of 3–5 on every set: one step up. With 1.25s on each side that step is 2.5 lb, not 5.
Incline Dumbbell Press60 lb, 12 / 11 / 10 reps, 1 left60 lb × 11Adjustable dumbbells step on their own jumps. Your weakest set hit 10, so the target goes to 11.

Small plates mean smaller jumps on the lifts where 5 lb is a lot. The app uses whatever your inventory can make.

Plans for a home gym

Make it fit you

Questions

What's the best workout app for a home gym?

One that plans around the equipment you own and rounds every weight to plates you can load. RIRLift does both, with a plate calculator on iPhone and Apple Watch, and it's free to start.

Can it use my exact plates and bar?

Yes, on Pro: enter the plates you own, including 1.25 lb or 0.5 kg plates, and your bar's weight. The free version rounds to a standard set: a 45 lb bar and plates down to 2.5 lb, or a 20 kg bar and plates down to 1.25 kg.

I train at home and at a commercial gym. Does that work?

Yes. Save both gyms with their own equipment and switch between them. Machines remember their loads, so the commercial gym's leg press keeps its own numbers.

How do I lift heavy without a spotter?

Set safety pins at the bottom of the squat and bench, and end work sets with a rep or two left. Logging reps in reserve keeps those sets hard without going to failure. More on RIR.

Is RIRLift free?

Yes. Unlimited workouts, suggested weights, the plate calculator and up to 4 active routines are free with no account. Pro is $9.99/month or $79.99/year in the US and adds custom plates and bar, unlimited routines and CSV export.

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