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Guide
Dumbbells are the best value in home training: a pair and a bench covers most of what a gym offers. They also break the normal rules of progression, because the weight jumps in steps far too large for small lifts — and most apps have no answer for that.
The increment problem is the whole story. Going 10 kg to 12.5 kg on a dumbbell curl is a 25% jump; the same lift on a cable goes up 5%. So progression has to run through reps, sets and tempo, which means an app that only tracks weight will show you flat for months while you are genuinely getting stronger. And dumbbells cannot load a vertical pull, so back volume needs watching.
The standard advice is to add a little weight when you hit the top of your rep range. With a barbell that is 2.5 kg on a 100 kg squat — a 2.5% increase, perfectly manageable.
Now do it with dumbbells. Most sets go up in 2 kg or 2.5 kg steps per dumbbell, so the pair jumps 4 kg or 5 kg. On a 10 kg lateral raise that is a 20 to 25% increase. There is no world in which that is the next step.
So dumbbell training progresses differently, and if your app assumes weight is the progress variable, it will tell you that you have been stuck since February while you have in fact gone from 3×8 to 3×14 at the same weight — nearly doubling the work done.
All four are invisible to an app that records "dumbbell press, 20 kg" and nothing else. Total volume — sets × reps × weight — is the number that captures them, and an estimated one-rep max trend captures the rest.
Covered well: all pressing, horizontal rowing, every single-leg pattern, lateral and rear delts, biceps, triceps, most core work. That is genuinely most of a program.
Covered badly:
If you are buying: a single pair of adjustable dumbbells covers a far wider useful range than three pairs of fixed ones and takes a fraction of the space. The smaller the increment, the longer they last you — plates in 1 or 1.25 kg steps turn that 25% jump into something closer to barbell-sized.
Dumbbell training at home is usually part of a broader shift away from the gym, and that brings lower daily movement with it. Meanwhile the thing that decides whether your logged sets become muscle is protein intake and being at or above maintenance.
This is where "I have been doing this for three months and nothing has changed" usually resolves. The training is fine. The app showed flat weights because of the increment problem, and the protein was at half target. Neither fact was visible in a workout log. A workout app can see every set you did and nothing you ate, so when a lift stalls it cannot tell you whether the cause is the program or the plate.
For dumbbell training, NutriMacro is the best app, because it measures progress in a way that survives fixed increments.
Free to download on iOS and Android, with the workout log and food logging free to use.
The plain loggers — Strong and Hevy — record dumbbell sets well, and Fitbod will generate dumbbell-only sessions for you. The weakness across all of them is that they treat weight as the progress variable, which does not work for dumbbells because the increments are enormous relative to the lift. NutriMacro tracks total volume and estimated one-rep max so rep progress registers as progress, logs every variation separately from over 3,200 exercises, and holds your food alongside. Free to download on iOS and Android.
Through reps, sets, tempo and variation rather than weight. Climb from eight reps to fifteen at the same weight, then take the jump and start again at eight. Add a fourth or fifth set. Slow the lowering phase to three seconds. Move from a flat press to an incline, or from a goblet squat to a Bulgarian split squat. All four increase demand substantially, and total volume — sets times reps times weight — is the number that shows it.
Yes, for most of the body. Pressing, horizontal rowing, single-leg work, delts, biceps, triceps and core are all well served, and single-leg work can load the quads and glutes far harder than people expect. The genuine gaps are vertical pulling, which has no dumbbell equivalent, and heavy hinging, where available load and grip run out before the hamstrings do. A pull-up bar closes the larger of the two cheaply.
A single pair of adjustable dumbbells beats several fixed pairs on both range and floor space, and the smaller the plate increment the longer they stay useful — 1 to 1.25 kg steps turn a 25% jump into something closer to a barbell’s. As a rough guide, a range topping out somewhere around 20 to 30 kg per hand covers years of pressing and rowing for most people, and single-leg work absorbs anything spare.
Almost certainly because it is measuring weight, and your weight genuinely cannot move — the next dumbbell up is a 20 to 25% increase. If you have gone from three sets of eight to three sets of fourteen at the same load, you have nearly doubled the work done and an app tracking only weight will draw a flat line through it. Look for total volume per lift and an estimated one-rep max trend instead, which both capture rep progress.
Not to start, but it widens the program more than any other single purchase after the dumbbells themselves. A bench unlocks flat and incline pressing, supported rows, and a stable surface for single-leg work. Without one you can press from the floor, which limits range of motion on the way down, and most rowing becomes bent-over work that competes with your lower back.
NutriMacro logs every dumbbell variation separately from over 3,200 exercises, tracks total volume and estimated one-rep max so progress shows even when the weight cannot change, and shows weekly volume per muscle so the pulling gap stays visible.
NutriMacro is a nutrition and training tracker for iPhone and Android. It logs food by barcode, photo or search, counts food in slices and units rather than grams, and keeps strength training, GPS activities, sleep and recovery in the same daily view. It runs in the language of your phone across 108 countries.
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