A salt-tracking app added to usual care helped lower blood pressure modestly over 2 months. The study followed 88 adults with high blood pressure at one Tehran clinic. Researchers assigned them by chance to two groups of 44. One group received usual care alone. The other also used NamakBan, an Android app. It let people log blood pressure, salt intake, and medicines. Checks took place at the start, after 1 month, and after 2 months. The app group had a greater drop in Blood Pressure — Diastolic, the bottom number in a reading. Blood Pressure — Systolic, the top number, also fell more. People using the app reported a larger drop in Sodium Intake. The source summary does not give the exact size of these changes. The results were promising, but mixed. A urine test compared sodium with potassium, two minerals. That measure improved within the app group over time. But there was no clear difference between groups. People's food logs therefore suggested a benefit that the urine test did not confirm. There were no hospital readmissions for high blood pressure in the app group. There were four in the usual-care group. That gap could have been due to chance. The study lasted only 2 months and used one clinic. People also knew they were using the app when reporting food intake. It remains unclear whether the benefits would last longer. For BioSocial members, this offers a useful tracking question, not a promised result. Comparing food logs with blood pressure trends may help ground community discussions in numbers. Notes about logging habits can add context, too. What have you noticed in your blood pressure readings while tracking salt in your food?