Received an e-mail about this cheap clip-on tuner from Reverb for AU$2 shipped! Limit of 1 per Reverb user. You might have to register a Reverb account.
"Includes five modes: C, G, B, V, U (chromatic, guitar, bass, violin, ukulele) to cover the gamut of stringed instruments. It also works great on mandolin, banjo and nearly any other stringed instrument.
Batteries included. Limit 1 per user. Please allow 2 weeks delivery time. Tuners ship from our US headquarters in Chicago, IL."