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Feature checklists make every tool look equivalent. This table leads with the three things that actually differ — what it costs you before it works, whether your files leave your device, and where the free version stops.
| Splitwisesplitwise.com | Drugs.com Interaction Checkerdrugs.com | ExRx.netexrx.net | FoodData Centralfdc.nal.usda.gov | |
|---|---|---|---|---|
| What it does | Tracks who paid for what in a group and works out the fewest transfers to settle | Lists the interactions between the medicines, supplements and alcohol you enter | An exercise library that names the muscles each movement actually works | The USDA's laboratory-measured nutrient data for tens of thousands of foods |
| What it costs you | Free tierA genuinely usable free tier with paid plans for volume or team features. | No sign-upWorks the moment the page loads. No account, no email, no trial. | No sign-upWorks the moment the page loads. No account, no email, no trial. | No sign-upWorks the moment the page loads. No account, no email, no trial. |
| Your files | Runs on their server | Runs on their server | Runs on their server | Runs on their server |
| Where it stops | The free tier now caps how many expenses you can add per day and shows ads between entries; currency conversion, receipt scanning and export are Pro. | It cannot see your dose, your kidney function or your other conditions, so it flags possibilities for a pharmacist or doctor to judge — never stop or change a medicine on its say-so. | The interface is dated and search is weak, and some calculators and articles sit behind a paid Premium tier. | It is US foods with US portion conventions, and the branded entries are manufacturer-supplied rather than independently tested. |
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| Category | Health & Everyday Life | Health & Everyday Life | Health & Everyday Life | Health & Everyday Life |
| Last checked | 2026-07-29 | 2026-07-29 | 2026-07-29 | 2026-07-29 |
| Open the site | Open | Open | Open | Open |
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