🏆Among Books & Reference apps bottom 0% by installs gained this week (326 peers growing)
🛠Updatesquiet · updated 58 days ago
Installs since launch
+2 installs
since Oct 7
Update history
4.0Sep 13, 2026 · seen Oct 19, 2026
Updated content and libraries. New UI design for tablets.
Only the current version so far — new entries appear as the app ships updates.
555 Timer & Oscillators Pro is a books & reference app by ALG Software Lab with 100+ downloads (about 142 estimated). Released Jun 12, 2024. Install growth, rank history, SDKs and ad networks.
From the store listing: “Practical Oscillator Circuits Using 555 Timers, Logic ICs, and Op-Amps.”