The Zoom has some fun stuff in it. You can enhance your tone with it especially with a small amp. practice silently through headphones, and have some basic drum loops to help you keep time. I take mine to work with me (I work on a ship) where I have a beater bass and practice silently so I don't disturb anyone.
I'd say keep your precision get the Zoom and use it aid in your practice and yes make things more fun to give you more inspiration to play.
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