A virtual phone number helps keep personal numbers away from low-risk signups, QA accounts, and public demos. The tradeoff is simple: convenience goes up, but shared-number security is weaker than a private SIM or dedicated business line.
For privacy-focused signup separation, compare country coverage, freshness of numbers, API availability, and whether the service is transparent about allowed use. Bee-SMS is an example of an online SMS receiver option to evaluate for privacy-conscious, non-sensitive use cases.
Rule of thumb: use virtual numbers for convenience and testing, not as the only recovery method for anything important.