Olly Tree Applications

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Apps: 3

Total installs: 127K

Avg rating: ★ 4.25

Ratings: 1.1K

Latest release: Nov 10, 2025

How this developer operates

Carrier title Epilepsy Journal holds 84% of the developer's installs — a one-app developer
Hit rate 33% of launches reach 100k installs (1 of 3 at least 30 days old)
Release rhythm a new app every ~4.7 years on average
Maintenance 1 of 3 apps updated in the last 90 days · last update 11 days ago

App	Style	Rating	Installs	Released
Epilepsy Journal	Medical	★ 3.9	100,000+	Jul 5, 2016
USMLE Clinic	Medical	★ 4.6	10,000+	May 25, 2018
Fever Journal	Medical	—	1,000+	Nov 9, 2025