A banjo note is over in about a second, and for that second the head, the rim and the four strings you did not pluck are all ringing along with it. Every tuner here will find a G. What separates them is whether the display settles before the note dies, and whether it can do anything about the one string a chromatic tuner always leaves slightly wrong.
KLIQ UberTuner
Reads vibration through the clip rather than listening to the room, settles fast enough for a banjo’s short note, and has the brightest display of the cheap ones — which is what you want when you are retuning outdoors. Three-year warranty, at a price where ninety days is normal.
The four at a glance
| Tuner | Type | Pickup | Accuracy | Price band | Best for |
|---|---|---|---|---|---|
| KLIQ UberTuner | Clip-on | Vibration | ±1 cent | ~$20 | Almost everyone |
| Snark ST-8 | Clip-on | Vibration only | Not published | ~$20 | Spending as little as sensible |
| Peterson StroboClip HD | Clip-on strobe | Vibration | ±0.1 cent | ~$60 | Making the open G chord ring |
| D’Addario Micro Headstock | Clip-on | Vibration | Not published | ~$22 | Leaving clipped on permanently |
Why a banjo is harder on a tuner than a guitar
The note is gone before a slow tuner has decided
Decay is the whole problem. A guitar sustains long enough for a tuner to average a reading. A banjo gives it a bright, fast attack and then almost nothing, over the top of a drum head that is still resonating. Tuners that listen through a microphone are the ones that struggle here, because they hear the head and the room along with the string, and the needle swings between sharp and flat while you wait for it to make up its mind.
Reading vibration through the clip removes most of that at a stroke. It is the thing that matters most on a banjo, and it is why a $20 clip-on can outperform a better tuner that is listening rather than feeling.
The B string is the one that sounds wrong
Standard G tuning is gDGBD, which is an open G chord — the reason you can strum a banjo without fretting anything. The second string, B, is the third of that chord, and the third is where equal temperament and a plain major chord disagree most: tuned dead centre on a chromatic tuner, B sits about 14 cents sharp of the pure third the open chord wants. Every string reads perfect and the chord still has a slow beat in it.
Players have always fixed this by ear, easing the B down until the beating stops. A sweetened preset does it for you: Peterson’s banjo setting exists specifically to counter what its manual calls the typical sharp B string, and a second preset does the same for the different scale length of a tenor. Sweetened tunings are essentially a Peterson feature, and the cheapest Peterson clip-on is around $60 — which is the honest reason to spend more on a banjo tuner, far more than any accuracy figure on the box.
The fifth string is the highest one
The short string running to the peg at the fifth fret is g4, above every other string on the instrument. A chromatic tuner shows G whichever octave you are in, so it will happily watch you wind that string toward a G an octave too high, and it will break before it gets there. If the tuner says G and the string feels frighteningly tight, you are in the wrong octave: open, it should match the first string fretted at the fifth fret, an octave above the third string.
A fuller walk through the tuning itself is in how to tune a banjo.
The four picks
KLIQ UberTuner
- Clip-on
- Piezo vibration sensor
- ±1 cent
- A0 (27.5 Hz) – C8
- Calibration 430–450 Hz
- 3-year warranty
- ~$20
The display is the reason to pick this one. It is large, bright and colour-coded, it swivels and tilts so it reads whether the tuner is on the front or the back of the peghead, and it stays legible in sunlight — which the cheapest clip-ons generally do not, and which matters the first time you try to retune outdoors. The sensor is vibration only, so a noisy room changes nothing.
Accuracy is quoted at ±1 cent, and on a banjo that is not the limiting factor: the temperament is. What you are buying is a tuner that settles quickly, reads clearly, and is covered for three years at a price where ninety days is the norm.
KLIQ sell an EcoTuner and a twin pack under the same name. The plain UberTuner is the one described here.
- Brightest display at this price, and readable outdoors
- Vibration pickup ignores the room entirely
- Three-year warranty
- Swivels far enough to sit behind the peghead
- No sweetened tunings, so the B string is still yours to fix
- Calibration stops at 450 Hz, which only matters alongside something tuned well away from A=440
Snark ST-8 Super Tight
- Clip-on
- Vibration sensor only — no microphone
- 360° swivel colour display
- USB rechargeable
- Calibration 415–466 Hz
- ~$20
One thing to get straight before you buy a Snark, because the two models are easy to confuse. The ST-2 — the one most people mean when they say Snark — has a built-in microphone as well as a vibration sensor, and on a banjo the microphone is what makes the reading dance. The ST-8 has no microphone at all. It cannot hear the room, only the instrument it is clipped to, which on this instrument is an improvement rather than a missing feature.
Past that it is a plain, fast, popular tuner with a big display on a 360-degree swivel. Buy it to spend as little as is sensible, or to find out how much tuning is going to bother you before spending more.
- No microphone to pick up the room
- Quick to settle, and easy to read at arm’s length
- The cheapest tuner here that does the job properly
- Nothing to fall back on when you cannot clip it to the instrument
- Coarser than the KLIQ once you are close to centre
- Snark do not publish an accuracy figure
Peterson StroboClip HD
- Clip-on strobe
- ±0.1 cent
- Over 50 sweetened tunings
- Banjo presets for five-string and for tenor
- CR2032 battery
- ~$60
Three times the price of the others, and the accuracy figure is not what you are paying for. The banjo preset is. Peterson’s five-string setting shifts the targets so the open G chord rings instead of beating — its manual describes the job as countering the typical sharp B string — and the tenor preset does the same for a shorter scale and a lower tuning. Nothing under about $50 offers this at all.
A strobe display also behaves differently from a needle. Instead of a pointer that has to settle, you get a band that drifts one way or the other and stops moving when the pitch is right, which suits a note that is dying under you.
The honest case against it is that a beginner will not hear the difference for a while, and a $20 clip-on gets a banjo perfectly playable. This is the tuner for someone who already knows their banjo sounds slightly sour strummed open and wants to know why.
- Banjo and tenor banjo sweetened presets, which nothing cheaper has
- Strobe display reads steadily through a fast decay
- ±0.1 cent, and it holds it
- Three times the price of a tuner that will get you in tune
- The strobe takes a few minutes to learn to read
- The HDC above it costs $20 more for a rechargeable battery and a longer preset list — the banjo settings are the same
D’Addario Micro Headstock Tuner
- Clip-on
- Piezo vibration sensor
- Reversible tri-colour backlit screen
- Calibration 410–480 Hz
- CR2032 battery, with auto-off
- ~$22
Small enough to clip behind the peghead and leave there, invisible from the front and clear of the fifth-string peg — which on a banjo is a real consideration, since that peg sits out on the neck at the fifth fret and a bulky tuner parked nearby gets in the way of the string you adjust most often.
The trade is the screen. It is a fraction of the size of the KLIQ’s and you will lean in to read it, particularly in dim light. Tuning at home in your own time, that costs you nothing. Tuning on a stage between songs, buy the bigger display.
D’Addario make three other versions of this tuner, and one of them is not a clip-on at all: the clip-free model mounts with screws through a tuning machine. The plain clip-on, single pack, is the one described here.
- Small enough to live on the banjo permanently
- Clears the fifth-string peg
- Reversible screen, so it reads from either side of the peghead
- Widest calibration range here
- Small screen, and you will lean in to read it
- D’Addario do not publish an accuracy figure for it
Also worth a look
| Tuner | Price band | Why you might |
|---|---|---|
| Fender FCT-2 | ~$24 | A dual-hinge clip that mounts on either side of a peghead, and one of the most popular clip-ons sold. Nothing wrong with it on a banjo — just a few dollars more than the KLIQ for nothing the KLIQ lacks. Fender’s simpler FT-1 sells for less. |
| D’Addario Eclipse | ~$18 | The cheapest here worth owning, with a bigger screen than the Micro and the same reversible mounting. Buy it if you want to spend less than the KLIQ. |
| Korg TM-70T | ~$40 | Runs a tuner and a metronome at once on a music stand, reads down to C1, and replaces the older TM-60. Its built-in microphone is the wrong tool on a banjo, though — the CM-400 contact mic that fixes that is sold separately. A practice device rather than a tuner to carry. |
Where to clip it
The front of the peghead is the obvious spot and works on most banjos. If the reading is weak, move it: a thick peghead overlay and a heavy resonator both damp the vibration that reaches the top of the neck, and the back of the peghead often reads better than the front. Failing that, clip it to the rim, which is far closer to where the sound is actually being made. Keep the jaws off the head itself.
Frequently asked questions
Can I use a guitar tuner on a banjo?
If it is chromatic, yes — every banjo string sits comfortably inside the range of any modern clip-on. What does not work is a tuner left in guitar mode, which is looking for E, A, D, G, B, E and will try to drag your fifth string toward something it recognises. Switch it to chromatic and forget it has modes at all.
Why does the display keep jumping between sharp and flat?
Usually because the tuner is hearing more than the string you meant. Damp the other four with your palm, pluck once and cleanly over the neck rather than down by the bridge, and read the first steady moment rather than the last. If it still hunts, the tuner is using a microphone — turn that off, or use one that only reads vibration.
My fifth string will not stay in tune. Is the tuner wrong?
Almost certainly not. Most inexpensive banjos use a friction peg for the fifth string, which holds by pressure alone and gives up as the string settles or the weather turns. No tuner fixes that. A geared peg does, though the hole usually has to be re-tapered to take one, so it is a job for whoever does your setups rather than an afternoon at the kitchen table.
Before blaming the peg, check how old the strings are. A tired string stretches, will not hold a pitch and reads dull and unstable on any tuner — a fresh medium set costs a few dollars and rules it out in ten minutes. There is more on gauges and materials in our guide to banjo strings.
Will a clip-on handle double C or sawmill tuning?
Any chromatic tuner will, because it identifies whatever note it hears rather than expecting a particular one. Double C is gCGCD, sawmill gDGCD, open D f#DF#AD. The only tuners that object are the ones left sitting in a preset mode.
How accurate does a banjo tuner need to be?
More accurate than you can hear, which nearly all of them are. A cent is a hundredth of a semitone, and a good ear catches two or three of them on a sustained note. So ±1 cent is not what is holding your banjo back — the temperament is, and so is how long the strings hold once you have finished.
Is a phone app good enough?
For checking a single string in a quiet room, yes. The problem is the microphone: a phone hears the head, the room and whoever else is tuning, which is the same weakness that makes microphone-based tuners awkward on this instrument. At a jam it is not a contest — a $20 clip-on that reads vibration will beat any app you can install.
So which one?
Buy the KLIQ UberTuner and stop thinking about it. It reads vibration, it settles fast, you can see it outdoors, and at around $20 it is not a decision worth agonising over.
Spend the $60 on the Peterson StroboClip HD when the open G chord starts bothering you. That is the only upgrade here that changes how the banjo sounds rather than how quickly you get it in tune.
New to the instrument? Start with how to tune a banjo, and if you are still choosing the banjo itself, the beginner guide and types of banjos are where to go next.