The short version: the only real difference is your grip - palms toward you for a chin-up, palms away for a pull-up. Both are excellent, and both train your back and arms. But for a beginner, the chin-up is the one to start with: the underhand grip lets your biceps help, so you will usually earn your first rep sooner. Learn the chin-up, build a few clean reps, then progress to the overhand pull-up for a touch more back and upper-back work. You do not have to pick one forever - you graduate from one to the other.
Same movement, one small change
Strip away the reputation each one carries and the chin-up and pull-up are nearly the same exercise. You hang from a bar with straight arms, pull your body up until your chin clears the bar, then lower under control. The single variable is your grip. In a chin-up your palms face you, in a pull-up your palms face away. That one change tilts how much your arms help, how much your back has to do, and - crucially for a beginner - how hard the whole thing feels on rep one.
Because they share a bar and a path, you do not need different equipment or different days to train them. Many people simply rotate grips over time: chin-ups while they build their first reps, then pull-ups once those feel manageable, then both in the same program for balance. So the real question is not which one is better in the abstract - it is which one a beginner should learn first, and the answer is clear.
Why the chin-up wins for beginners
The underhand grip puts your arms in a strong pulling position and lets your biceps pitch in hard. Your biceps are already good at bending your elbow with a supinated (palms-up) grip, so on a chin-up they team up with your back to haul you over the bar. For someone who cannot yet do a single rep, that extra help is often the difference between hanging there and actually rising. Most beginners get their first clean chin-up noticeably sooner than their first pull-up, and that early win matters - nothing keeps you training like proof that you are getting stronger.
The chin-up also tends to feel more natural on the shoulders and elbows for people who are new to hanging from a bar, and it is easy to scale. You can build toward that first rep with slow lowering reps from the top, band-assisted reps, and dead hangs, all with the same underhand grip. None of that requires special gear beyond a solid bar. For the full progression, our how to do a chin-up guide walks through it step by step.
What the pull-up adds
The overhand pull-up shifts the emphasis. With your palms facing away, your biceps can help a little less, so your lats and upper back carry more of the load. That is why the pull-up has a reputation for building back width, and there is truth to it - the movement leans harder on the big muscles that sweep down the sides of your back. It is also simply harder, because you have removed some of the arm assistance you got from the underhand grip.
That extra difficulty is a feature once you are ready for it. When chin-ups start to feel easy for sets of several reps, moving to pull-ups gives you a fresh challenge and a slightly more back-focused stimulus without buying anything new. You just turn your hands around on the same pull-up bar. Think of it as leveling up rather than switching to a different exercise. If you are wondering whether a dedicated bar is even worth it for your space, our do I need a pull-up bar guide makes the case honestly.
Honest cons of each
Neither is flawless. The chin-up, because it recruits the biceps so heavily, can leave your elbows or forearms feeling it if you jump into high volume too fast - build up gradually. Some people also find the underhand position awkward on the wrists at first; a slightly narrower or wider hand placement usually sorts that out. And because it is the easier of the two, a strong lifter will eventually want to add weight with a belt to keep it challenging.
The pull-up's main con is simply that it is harder, which can be discouraging if you start there before you are ready and stall at zero reps. The wider overhand grip can also nag at cranky shoulders for some people, especially if they yank rather than pull smoothly. Neither issue is a reason to avoid pull-ups - they are reasons to earn them on chin-ups first and to progress at a sensible pace.
How to build your first rep
If you cannot yet do a single chin-up, you are exactly where most beginners start, and the path to your first rep is well worn. The most useful tool is the slow lowering rep, sometimes called a negative: step or jump up to the top position with your chin over the bar, then lower yourself as slowly as you can, fighting gravity the whole way down. Those controlled descents build the exact strength the movement demands, and they add up quickly. Do a few single reps at the start of your pulling days, resting fully between them.
Band-assisted reps are the other reliable path. Loop a resistance band over the bar and put a foot or knee in it, and the band gives you a boost out of the bottom - where you are weakest - so you can train the full movement with help. As you get stronger, switch to a lighter band, then to no band at all. Simple dead hangs, where you just grip the bar and hold on, build the grip and shoulder strength that underpin everything. Train the movement two or three times a week and be patient; your first clean rep is usually closer than it feels.
Grip width and small tweaks
Small setup details make both moves feel better. For chin-ups, a roughly shoulder-width underhand grip suits most people; if your wrists or elbows complain, move your hands a touch closer or wider until the position feels comfortable. For pull-ups, a grip a little outside shoulder width is common, but you do not need to reach for the widest grip you can manage - an extreme spread mostly just shortens your range and stresses your shoulders. Grip a bit wider than your chin-up, pull smoothly, and let your range stay full.
In both, the quality cues are the same: start from a full hang with straight arms, pull your chest toward the bar rather than just craning your chin over it, and lower all the way down under control instead of dropping. Avoid kicking and swinging to cheat the rep up, since that trains momentum rather than muscle. Get the bar height right so you can hang without your feet touching the floor, which is exactly where a well-placed bar earns its keep.
Do not forget horizontal pulling
Chin-ups and pull-ups are both vertical pulls - you move up and down relative to the bar. A complete back also wants horizontal pulling, where you draw weight toward your torso. That is where a barbell row or a dumbbell row comes in. Pairing a vertical pull like the chin-up with a horizontal pull like a row gives your back width and thickness and keeps your shoulders healthy and balanced. If you are building a home setup, plan for both rather than betting your whole back on the bar overhead.
The verdict
Start with the chin-up. The underhand grip lets your biceps help, so it is the friendliest path to your first real bodyweight pull, and that first rep is a huge motivator. Build a few clean chin-ups, then progress to the pull-up for a slightly more back-focused, slightly harder challenge on the very same bar. Over time, use both - they complement each other, and switching grips keeps your training fresh without any new gear.
All you need to get going is one solid place to hang. A doorway or mounted pull-up bar covers both grips, and many racks and squat stands include a bar up top so your pressing station doubles as your pulling station. If you are pricing out a first gym, our $1,000 build shows how a pull-up bar fits alongside the rest of a beginner setup so chin-ups and pull-ups have a home from day one.