An honest Experian Boost review must address what this tool cannot do, because expectations management is crucial.
First, Boost doesn't fix negative information on your credit report. If you have late payments, collections accounts, charge-offs, or bankruptcy on your Experian file, Boost can't erase or override those marks. It adds positive information to the mix, which helps your overall profile, but the negative items remain and continue hurting your score (though less severely as time passes). If you need to address negative marks directly, you're looking at dispute processes covered under the Fair Credit Reporting Act (FCRA), not solutions like Boost.
Second, only Experian sees these payments. When a lender pulls your Equifax or TransUnion scores, they won't see the utility and streaming payments you've added through Boost. This is a major limitation. According to FCRA regulations, Experian, Equifax, and TransUnion maintain separate credit files. What gets reported to one bureau doesn't automatically appear on the others. If a mortgage lender pulls all three bureau reports (which most do), they'll see improvements to your Experian score but not necessarily to the Equifax and TransUnion versions. This could create odd situations where your three scores diverge significantly.
Third, not all payments qualify. Only specific categories of bills work with Boost—utilities, phone bills, internet, and certain streaming services. You can't add rent payments, grocery purchases, gas station fills, or other everyday spending. This limits the potential payment history you can add.
Fourth, Boost requires active bank account connectivity. You need to maintain the connection between your bank and Experian for them to continue pulling payment data. If you disconnect your account, they stop reporting your payments going forward. The historical payments stay on file, but future ones won't be added.
Finally, be aware that while Boost is free, Experian offers paid "Boost Premium" versions that promise faster results or expanded services. Research what these premium tiers actually offer before spending money—often the difference is minimal.