You don't need to spend any money if you want your laptop display to be more color accurate despite what other websites may suggest. For the most color accurate display, you would have to calibrate your own laptop individually. If that is not impossible, then you can apply our own calibrated ICC or ICM profiles.
https://www.notebookcheck.net/PSA-Laptopmedia-charges-5-USD-for-a-calibrated-laptop-display-profile-We-offer-them-for-free.428319.0.html