Rank history
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iSignum – PostSignum is performing strongly on the App Store, having peaked at #1 overall on 2026-09-03, with a 30-day best of #1 and an average rank of #5 indicating consistent top-tier performance in the Utilities category. Currently, it holds #2 in the Czech Republic Top Free chart (its strongest live position), while also appearing in Slovakia's Top Free at #50. However, momentum is softening in secondary Czech Republic Top Free slots, which have slipped to #14 (-10) and #60 (-29). Overall, the app remains near its peak in the primary market but shows notable downward movement in additional chart placements, suggesting a mixed recent trajectory.