A few ISS-tracking programs and sites ...
For Apple iOS phones: GoSatWatch in the Apple Store. $9.95
VISIBLE PASSES - Call 1-844-N2YO-COM (1-844-629-6266) and
enter your Zip Code! For VISIBLE passes.
VISIBLE PASSES via Text Messages - N2YO.com again! -
Get notified when your chosen satellite breaks the horizon via
text message - https://www.n2yo.com/info/?a=15 - requires you
to register with N2YO … but painless.
For Android phones: ISS Detector in the Google Play Store.
For Mac home computers: MacDoppler Pro.
For Windows home computers: Orbitron (oldie but goodie).
Links at https://www.work-sat.com/tracking.html - including the Registration
Code for now-Shareware Orbitron!