Best apps like OJ Box

6+ similar apps compared and reviewed

4.8 avg rating
6 free apps
Updated August 2026
OJ Box
OJ Box
Shandong Zhengqi Information Technology Co., Ltd.

OJ Box is great, but it's not the only option. Explore 6+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to OJ Box

Guitar Tuner - TrueStudio#3

Guitar Tuner - TrueStudio by Qiaochu Zhu

Easy & Accuracy
Worth Considering
🎵 Music
4.9(45 ratings)
FreeAds
Guitar Tuner - TrueStudio screenshot 1
Guitar Tuner - TrueStudio screenshot 2
Guitar Tuner - TrueStudio screenshot 3
Guitar Tuner - TrueStudio screenshot 4
Guitar Tuner - TrueStudio screenshot 5
Guitar Tuner - TrueStudio screenshot 6

This application provides a professional and accurate way to tune your ukulele using your iPhone's microphone. It analyzes the sound in real-time, indicating if a note is sharp or flat for precise tuning.