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Roman Jahn

Every Roman Jahn app we track, ranked by estimated monthly revenue — portfolio-level reach and per-app estimates from live App Store signals.

Estimates are modeled ranges, not official figures · How we estimate
Apps tracked2
Est. portfolio revenue / mo~$234
Est. portfolio downloads / mo~240
Total ratings244
Data updated02.08.2026
Downloads / mo · WW
20–200
Revenue / mo · WW
$50–$1k
4.2(53)Released 31.05.2022
Downloads / mo · WW
90–400
Revenue / mo · WW
$0
4.5(192)Released 21.12.2022