The paper presents the results of situational measurements of 6 points of a test grid in twodimensional space. Measurements were made using 8 selected smartphone applications: Precise GPS, MapIt, Turbo GPS, Coordinator +, GPS Test, Precision GPS Free, GGRS87, and Mobile Topographer. Based on the Δx and Δy values obtained as differences in measurement results and reference coordinates, it was possible to determine that the mean values of these differences remain at the level of ± 2 m, although individual differences assume smaller and larger values. One of the applications generated the results classified in the error theory as errors of gross type.