Trend Screener Pro's repaint behavior has not been independently confirmed either way. That doesn't automatically mean it isn't legitimate, but it's worth testing on a demo account before trusting it live.
This page checks Trend Screener Pro against the same disclosed data the FirstBuckFX Score computes from: whether the non-repainting claim is checked rather than just marketed, and how specifically the signal (type, timeframe, pairs) is defined. A vague "works on everything" claim can't really be tested; a narrowly defined one can.
Trend Screener Pro's repaint behavior has not been independently confirmed either way. That does not automatically mean it is not legitimate, but it is worth testing on a demo account before trusting it live.
Not independently confirmed either way for Trend Screener Pro.
Trend Screener Pro runs on MT5.