J19 Software

Get a browser notification when J19 Software releases a new app.

Apps: 10

Total installs: 369K

Avg rating: ★ 4.38

Ratings: 1.6K

Latest release: Jun 3, 2026

How this developer operates

Carrier title Truth Table Calculator holds 90% of the developer's installs — a one-app developer
Hit rate 11% of launches reach 100k installs (1 of 9 at least 30 days old)
Release rhythm a new app every ~305 days on average
Maintenance 1 of 10 apps updated in the last 90 days · last update 87 days ago

Developer names that share this developer's legal name, contact e-mail or website in the store.

App	Style	Rating	Installs	Released
Truth Table Calculator	Tools	★ 4.4	100,000+	Sep 26, 2019
Karnaugh Map Calculator	Education	—	10,000+	Apr 21, 2020
Simplificar Fracciones	Tools	—	10,000+	May 18, 2020
Autómatas y Expresiones Regula	Tools	—	1,000+	Jan 29, 2020
Examen de Manejo EdoMéx - Guía	Education	—	1,000+	—
Convertidor Números Romanos	Education	—	500+	Aug 30, 2025
Guía Exani	Education	—	500+	Feb 19, 2026
Calculadora Paso a Paso	Education	—	100+	Aug 27, 2025
Gasta como millonario	Tools	—	10+	Jan 14, 2026
Mapingo	Education	—	5+	Jun 2, 2026