A clip-on tuner grips the headstock and reads the vibration of the instrument, so it works in a loud room as well as a quiet one. The display, the tuning modes, the calibration range and the way it is powered are the main differences between models.
The six tuners below include a simple color-display unit, two D’Addario models, a multi-instrument Fender, a strobe tuner and a polyphonic one. Specs come from each listing page, and accuracy figures are the makers’ own. We have not used these tuners ourselves.
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What to Look For
| Feature | Why it matters |
|---|---|
| Display | Needle, LED and strobe screens read differently on stage |
| Modes | Chromatic, instrument-specific, strobe and polyphonic modes vary |
| Calibration | The reference pitch range matters for alternate tuning |
| Power | A coin cell, CR2 or USB charging changes upkeep |
Specs at a Glance
| Tuner | Display | Power | Notes |
|---|---|---|---|
| Snark SN5X | Full color | Lithium battery, included | Guitar and bass range; front or back of headstock; 1.58 oz |
| Fender FCT-2 | Color LCD needle | CR2032, included | Guitar, bass, ukulele, violin, chromatic; B0 to B7 |
| D’Addario Eclipse | Vertical full color | CR2, included | Calibration 435 to 450 Hz; dual swivels; 1.44 oz |
| D’Addario Nexxus 360 | Bright LED, rotates 360 | Rechargeable via USB | Calibration 415 to 465 Hz; 24 hours per charge; 1.4 oz |
| Peterson StroboClip HD | 192-segment strobe | CR2032, included | 50+ sweetened presets; capo and drop transposition |
| TC POLYTUNE CLIP | 108 LED matrix | Battery | Polyphonic, strobe and chromatic; stainless steel clip |
The 6 Best Clip-On Guitar Tuners
1. Snark SN5X
A clip-on chromatic tuner with a full color display, a frequency range tailored to guitar and bass, and a design the listing says can be used on the front or the back of the headstock. It weighs 1.58 ounces, measures 1.8 by 1.8 by 3.5 inches and includes a lithium battery. The listing says it also suits violin.
Suits: a plain, simple tuner. Strengths: a color screen and front or back mounting. Weaknesses: few listed specs. Skip it if you want a strobe mode.
View Snark SN5X Clip-On Chromatic Tuner for Guitar Bass and Violin on Amazon
2. Fender FCT-2
A clip-on tuner that senses vibration directly from the instrument, with a color LCD needle display and dedicated modes for guitar, bass, ukulele, violin and chromatic tuning. The dual-hinge clip fits either side of the headstock, the range runs from B0 to B7, calibration is standard A440 and a CR2032 battery is included.
Suits: a player with several instruments. Strengths: dedicated instrument modes. Weaknesses: calibration is fixed at A440 per the listing. Skip it if you need a wide calibration range.
3. D’Addario Eclipse
A headstock tuner with a vertical full color display, dual swivels so it can mount on either side, a calibration range of 435 to 450 Hz, and a CR2 battery included. The listing names acoustic and electric guitars, bass and ukulele, and gives a weight of 1.44 ounces. This listing is the black version.
Suits: left- or right-handed players. Strengths: swivels and a color screen. Weaknesses: a narrower calibration range than the Nexxus. Skip it if you want USB charging.
View D’Addario Eclipse Headstock Clip-On Guitar Tuner, Black on Amazon
4. D’Addario Nexxus 360
A rechargeable clip-on tuner with a bright LED display and a clamp that rotates 360 degrees. The maker says a charge lasts about 24 hours, the USB cable is supplied, and the calibration range is 415 to 465 Hz. The listing weight is 1.4 ounces.
Suits: a battery-free routine. Strengths: USB charging and a wide calibration range. Weaknesses: you need a charger at hand. Skip it if you prefer a swap-in battery.
View D’Addario Nexxus 360 Rechargeable Clip-On Guitar Tuner on Amazon
5. Peterson StroboClip HD
A strobe tuner with 192 strobe segments on a backlit HD display, a maker-stated accuracy of 0.1 cent, more than 50 sweetened tuning presets, and capo and drop-tuning transposition. It lists use with 6 and 12-string guitars, bass, ukulele, violin, banjo, mandolin and more. A CR2032 battery is included and a rubber-lined clamp protects the finish.
Suits: fine tuning with presets. Strengths: a strobe display and many presets. Weaknesses: more to learn than a needle tuner. Skip it if you want a basic screen.
6. TC Electronic POLYTUNE CLIP
A clip-on tuner with a polyphonic mode that reads all six strings at once, plus chromatic and strobe modes, flat tuning and capo modes, a 108 LED matrix display and a stainless steel clip. The maker gives chromatic accuracy of 0.5 cent and strobe accuracy of 0.02 cent. The listing shows odd electrical fields and a 1 by 2 by 3 inch size next to a 0.03 kg weight.
Suits: checking every string in one strum. Strengths: a polyphonic mode and a strobe mode. Weaknesses: inconsistent spec fields on the page. Skip it if you want only a simple screen.
Care and Setup
- Clip the tuner to the headstock where you can see it and where it grips firmly.
- Set the reference pitch before you tune if your tuner allows it.
- Keep a spare coin cell or CR2 battery on hand for the battery models.
- Pluck one string at a time unless you use a polyphonic mode.
Mistakes to Avoid
- Assuming every tuner reads every instrument the same way.
- Ignoring the calibration range when you play in alternate tunings.
- Choosing a strobe display when you only need a simple one.
- Forgetting the battery type until it runs out.
Clip-On Guitar Tuners FAQ
Which one is rechargeable?
The D’Addario Nexxus 360 charges over USB and lists about 24 hours per charge.
Which one reads all strings at once?
The TC Electronic POLYTUNE CLIP lists a polyphonic mode for six strings.
The Short Version
For a simple color screen, the Snark SN5X. For several instruments, the Fender FCT-2. For dual swivels, the D’Addario Eclipse. For USB charging, the Nexxus 360. For a strobe display, the Peterson StroboClip HD. For polyphonic tuning, the TC Electronic POLYTUNE CLIP.
