| Model | Specd Accuracy (cents) | Tested Accuracy (cents) |
|---|---|---|
| Model | Specd Accuracy (cents) | Tested Accuracy (cents) |
| 005Behringer TU300 | 700 | 0175±1.75 |
| 008-01Boss TU-2 | 300±3.0 | 0288±2.88 |
| 008-02Boss TU-3 | 100±1.0 | 0206±2.06 |
| 008-04Boss TU-3s | 100±1.0 | 0206±2.06 |
| 008-06Boss TU-3w Waza Craft | 100±1.0 | 0206±2.06 |
| 008-08BossTuner App | 100±1.0 | 0068±0.68 |
| 014-02aCarl Martin Tuner Sweep | 100±1.0 | 0328±3.28 |
| 014-02bCarl Martin Tuner Strobe | 100±1.0 | 0227±2.27 |
| 018-02DAddario PW-CT-20 | 700 | 0495±4.95 |
| 022-02DeltaLab CT-30 | 100±1.0 | 0427±4.27 |
| 028-02aDigitech Hardwire HT-6 Needle | 100±1.0 | 0135±1.35 |
| 028-02bDigitech Hardwire HT-6 Strobe | 100±1.0 | 0001±0.01 or better |
| 028-02cDigitech Hardwire HT-6 Polyphonic | 100±1.0 | 0368±3.68 |
| 032-02Fender Tune App | 700 | 0251±2.51 |
| 036-02GoGo Caliber | 050±0.5 | 0335±3.35 |
| 036-04GoGo Horizon | 050±0.5 | 0328±3.28 |
| 038-02Hotone Skyline Tuner | 050±0.5 | 1168±11.68 |
| 040-02Kliq TinyTune | 050±0.5 | 0335±3.55 |
| 040-04Kliq UberTuner | 100±1.0 | 0503±5.03 |
| 044-04Korg GA-1 | 100±1.0 | 0283±2.83 |
| 044-08Korg GA-40 | 100±1.0 | 0156±1.56 |
| 044-12Korg GA Custom | 010±0.1 | 0296±2.96 |
| 044-14Korg GripTune | 100±1.0 | 0147±1.47 |
| 044-18aKorg Pitchblack Meter | 100±1.0 | 0161±1.61 |
| 044-18bKorg Pitchblack Strobe 1 | 100±1.0 | 0161±1.61 |
| 044-18cKorg Pitchblack Strobe 2 | 100±1.0 | 0161±1.61 |
| 044-18dKorg Pitchblack Mirror | 100±1.0 | 0161±1.61 |
| 044-22aKorg Pitchblack Advance Regular | 010±0.1 | 0145±1.45 |
| 044-22bKorg Pitchblack Advance Strobe | 010±0.1 | 0012±0.12 |
| 044-22cKorg Pitchblack Advance Half Strobe | 010±0.1 | 0145±1.45 |
| 044-22dKorg Pitchblack Advance Mirror | 010±0.1 | 0145±1.45 |
| 044-26aKorg Pitchblack Custom Regular A | 010±0.1 | 0147±1.47 |
| 044-26bKorg Pitchblack Custom Strobe | 010±0.1 | 0008±0.08 |
| 044-26cKorg Pitchblack Custom Regular B | 010±0.1 | 0147±1.47 |
| 044-26dKorg Pitchblack Custom Half Strobe | 010±0.1 | 0147±1.47 |
| 044-30aKorg Pitchblack Mini Regular | 100±1.0 | 0147±1.47 |
| 044-30bKorg Pitchblack Mini Strobe | 010±0.1 | 0008±0.08 |
| 044-30cKorg Pitchblack Mini Half Strobe | 700 | 0146±1.46 |
| 044-34aKorg Pitchblack Plus Meter | 010±0.1 | 0148±1.48 |
| 044-34bKorg Pitchblack Plus Full Strobe | 010±0.1 | 0148±1.48 |
| 044-34cKorg Pitchblack Plus Half Strobe | 010±0.1 | 0148±1.48 |
| 044-34dKorg Pitchblack Plus Focus 1 | 010±0.1 | 0010±0.1 or better |
| 044-34eKorg Pitchblack Plus Focus 2 | 010±0.1 | 0010±0.1 or better |
| 044-38Korg PitchClip | 100±1.0 | 0156±1.56 |
| 044-42aPitchCrow-G Regular | 100±1.0 | 0135±1.35 |
| 044-42bPitchCrow-G Fine | 010±0.1 | 0010±0.1 or better |
| 044-46aKorg Sledgehammer Custom 100 Regular | 100±1.0 | Not Tested |
| 044-46bKorg Sledgehammer Custom 100 Strobe | 010±0.1 | Not Tested |
| 044-46cKorg Sledgehammer Custom 100 Half Strobe | 700 | Not Tested |
| 044-50aKorg Sledgehammer Pro Regular | 100±1.0 | Not Tested |
| 044-50bKorg Sledgehammer Pro Strobe | 010±0.1 | Not Tested |
| 044-50cKorg Sledgehammer Pro Half Strobe | 700 | Not Tested |
| 048-02Martin Tuner App | 700 | 1001±10.01 |
| 052-02ModTone MT-PT1 | 100±1.0 | 0438±4.38 |
| 056-02Neewer NW-AT-07 | 050±0.5 | 0357±3.57 |
| 060-02Outlaw Effects Iron Horse | 050±0.5 | 1090±10.90 |
| 060-04Outlaw Effects Six Shooter II | 100±1.0 | 1076±10.76 |
| 064-02Peterson iStroboSoft App | 010±0.1 | 0010±0.1 or better |
| 064-06Peterson StroboClip | 010±0.1 | 0010±0.1 or better |
| 064-10Peterson StroboClip HD | 010±0.1 | 0010±0.1 or better |
| 064-14Peterson StroboPLUS HD | 010±0.1 | 0001±0.01 or better |
| 064-18Peterson StroboStomp Classic | 010±0.1 | 0001±0.01 or better |
| 068-02PitchLab Pro App | 700 | 0022±0.22 |
| 072-02Reverb LT-21 | 100±1.0 | 0288±2.88 |
| 076-02Snark SN-1 | 700 | 0309±3.09 |
| 076-06Snark SN-1X | 700 | 0342±3.42 |
| 076-10Snark N-10S | 700 | 0349±4.99 |
| 076-12Snark ST-2 | 700 | 0390±3.90 |
| 080-02Sonic Research Turbo Tuner ST-300 | 002±0.02 | 0001±0.01 or better |
| 080-06Sonic Research Turbo Tuner ST-300 Mini | 002±0.02 | 0001±0.01 or better |
| 086-02aTC Electronics PolyTune Clip Needle | 050±0.5 | Not Tested |
| 086-02bTC Electronics PolyTune Clip Strobe | 002±0.02 | Not Tested |
| 086-02cTC Electronics PolyTune Clip Polyphonic | 700 | Not Tested |
| 086-06aTC Electronics PolyTune 2 Needle | 050±0.5 | 0335±3.35 |
| 086-06bTC Electronics PolyTune 2 Strobe | 010±0.1 | 0010±0.1 or better |
| 086-06cTC Electronics PolyTune 2 Polyphonic | 700 | 0555±5.55 |
| 086-10aTC Electronics PolyTune 2 Blacklight Needle | 050±0.5 | 0335±3.35 |
| 086-10bTC Electronics PolyTune 2 Blacklight Strobe | 010±0.1 | 0010±0.1 or better |
| 086-10cTC Electronics PolyTune 2 Blacklight Polyphonic | 700 | 0555±5.55 |
| 086-14aTC Electronics PolyTune 2 Mini Needle | 050±0.5 | 0335±3.35 |
| 086-14bTC Electronics PolyTune 2 Mini Strobe | 010±0.1 | 0010±0.1 or better |
| 086-14cTC Electronics PolyTune 2 Mini Polyphonic | 700 | 0555±5.55 |
| 086-18aTC Electronics PolyTune 2 Noir Needle | 050±0.5 | 0335±3.35 |
| 086-18bTC Electronics PolyTune 2 Noir Strobe | 010±0.1 | 0010±0.1 or better |
| 086-18cTC Electronics PolyTune 2 Noir Polyphonic | 700 | 0555±5.55 |
| 086-22aTC Electronics PolyTune 3 Needle | 050±0.5 | 0352±3.51 |
| 086-22bTC Electronics PolyTune 3 Strobe | 002±0.02 | 0002±0.02 or better |
| 086-22cTC Electronics PolyTune 3 Polyphonic | 700 | 0563±5.63 |
| 086-26aPolyTune for Smartphones Needle | 050±0.5 | 0324±3.24 |
| 086-26bPolyTune for Smartphones Stream | 700 | Not Tested |
| 086-26cPolyTune for Smartphones Polyphonic | 700 | 0517±5.17 |
| 090-02Warwick Rocktuner PT-1 | 700 | 0541±5.41 |
| 090-06Warwick Rocktuner PT-2 | 100±1.0 | 0450±4.50 |
| 094-02Yousician GuitarTuna App Pro Accuracy | 700 | 0740±7.40 |
| 094-04Yousician GuitarTuna App Standard Accuracy | 700 | 0813±8.13 |
NOTES
= Manufacturer fails to specify
= Manufacturer fails to specify