MobCrab

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Apps: 7

Total installs: 4M

Avg rating: ★ 4.45

Ratings: 21K

Latest release: Jul 21, 2026

How this developer operates

Carrier title English Grammar Exercises holds 62% of the developer's installs
Hit rate 57% of launches reach 100k installs (4 of 7 at least 30 days old)
Release rhythm a new app every ~1.2 years on average
Maintenance 6 of 7 apps updated in the last 90 days · last update 11 days ago · updates every ~18 days

All apps

App	Style	Rating	Installs	Released
English Grammar Exercises	Education	★ 4.8	1,000,000+	Jun 20, 2019
Learn French Beginner Grammar	Education	★ 4.6	500,000+	Dec 17, 2019
Learn Portuguese Grammar	Education	★ 4.0	100,000+	Feb 25, 2021
Learn Spanish Grammar A1 A2 B1	Education	—	100,000+	Jun 30, 2020
Learn German Vocabulary Online	Education	—	10,000+	Nov 30, 2021
Lernen Grammatik Übung A1-C1	Education	—	1,000+	Jul 21, 2026
Learn Russian Language	Education	—	1,000+	May 31, 2019