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The Observer team

Every The Observer team 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~$2k
Est. portfolio downloads / mo~2k
Total ratings634
Data updated02.08.2026
Downloads / mo · WW
800–4k
Revenue / mo · WW
$900–$5k
3.3(423)Released 29.03.2019
Downloads / mo · WW
100–500
Revenue / mo · WW
$30–$200
4.7(211)Released 12.01.2019