To compare tuners we have used four price bands A to D.

US Dollars (USA)
A: Under $25
B: $25-$100
C: $100-$200
D: Over $200

Pounds Sterling (UK)
A: Under £15
B: £15-£60
C: £60-£120
D: Over £120

Euros (Europe)
A: Under €17
B: €17-€70
C: €70-€140
D: Over €140