GuitarTuner-Ukelele & Bass

The Zhengqiu Tuner can accurately and quickly tune, recognize pitch in real-time, provide accurate recognition results, support multiple instruments, and can tune chord instruments such as Yukrili, guitar, erhu, etc. It also has an encrypted diary function that can be used.

Subscribe:
1. Users can only use the mixer, encrypted diary, and other functions infinitely after paying a subscription;
2.subscription will be deducted from the user's iTunes account upon confirmation of purchase, free trial for three days, renewable automatically, renewal fee $39.99/year;
3. users can turn off auto-renewal 24 hours before the end of the current subscription, otherwise the subscription will be automatically renewed;
4. the Apple ID of the automatically renewed subscription will be automatically deducted from the iTunes account 24 hours before the expiration of each billing cycle and the corresponding validity period will be extended;
5. Users manage the subscription service, i.e., they can go to their user accounts to set off automatic subscriptions after purchase.

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