Which platform should I use to buy mutual funds without paying commission?

In India you can buy direct plans of mutual funds, which strip out the distributor commission that regular plans carry. Over years that difference in expense ratio quietly compounds in your favour. You can buy direct plans through the fund houses' own websites, through the industry-backed platforms that aggregate them, or through several low-cost apps and broker platforms that let you hold direct plans. The thing to check is simply that you are buying the direct plan, not the regular one, since the same fund exists in both versions. Avoid platforms that nudge you into regular plans or bundle in advice you did not ask for. Beyond the plan type, the app you pick matters less than picking sensible funds and staying consistent. This is general education, not a recommendation of any platform or fund, and costs and features change, so compare current options yourself before you commit.