Holbrook Software

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Apps: 7

Total installs: 2.4K

Latest release: Oct 29, 2026

How this developer operates

Carrier title Tier List Build: Make & Share holds 53% of the developer's installs
Hit rate 0% of launches reach 100k installs (0 of 6 at least 30 days old)
Release rhythm a new app every ~28 days on average
Maintenance 5 of 7 apps updated in the last 90 days · last update 6 days ago · updates every ~11 days

All apps

App	Style	Rating	Installs	Released
Tier List Build: Make & Share	Entertainment	—	1,000+	Jun 3, 2026
ATC Aptitude Test Prep	Education	—	100+	Jul 30, 2026
RailFocus: Train Driver Test	Education	—	100+	May 14, 2026
Quant Interview Aptitude Test	Education	—	100+	Jul 26, 2026
Claycard: Trap Skeet Sporting	Tools	—	100+	Jun 29, 2026
PLAB 1 + 2: Question Bank	Education	—	100+	Jun 11, 2026
BusFocus: Bus Driver Test NEW	Education	—	10+	Oct 29, 2026