You may have already successfully claimed your free share from Trading212 and now you are looking for other platforms that also offer free shares upon sign up. Here are a couple of Trading 212 alternatives:
Trading 212 alternative #1: Freetrade
Awarded best online trading app two years in a row, Freetrade allows you to invest in stocks and ETFs commission-free. If you sign up via this link you will receive a free share worth up to £200. Read more about Freetrade here.
Trading 212 alternative #2: Stake
Stake allows UK users to directly invest in over 3800 US stocks and ETFs, commission-free. Sign up using this link (or enter the referral code nicolak335) to receive a free share in either Nike, Dropbox or GoPro (worth up to around £100 if you get lucky and get a Nike share). Read more here.
I use both of these apps myself and can attest to them both being great Trading 212 alternatives. Both of them are regulated by the FCA and investors are FSCA covered.