Online Tennis Instruction
Available on Google Play
4.4(19)
1,000+ installsFreeSports
Updated Sep 14, 2025 · v1.6.9
OTI
The OTI app allows you to view your courses online or to download them for offline viewing. You can also easily record a video of your stroke and send it to us with just a few clicks! Simply start recording your video with a button and then click on send when you are done.
9 years on Google Play
This app isn't currently appearing in any tracked top charts.
Rating breakdown
5★
16
4★
0
3★
0
2★
0
1★
2