555 Timer & Oscillators Pro Downloads & Revenue555 Timer & Oscillators Pro · App Store
Not in any tracked top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperALG Software Lab
CategoryEducation
Price5.99 EUR
Released
Rating★ 0.0 (0)
Version4.0.1
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026555 Timer & Oscillators Pro update history & changes
Last change · 8 events since 17 Jun 2024Full timeline ↓📦Updated to version 4.0.1📦Updated to version 4.0📈Dropped out of every chart we track🆕First spotted by AppInsider🆕Its developer released another app: Learn ESP32 Programming Pro
Full timeline · 8 events
- 📦555 Timer & Oscillators Pro updated to version 4.0.1Updated content and libraries.
- ✏️555 Timer & Oscillators Pro: needs a newer iOSiOS 16.0 → iOS 17.0
- 📦555 Timer & Oscillators Pro updated to version 4.0Updated content and libraries.
- 📈555 Timer & Oscillators Pro dropped out of every chart we trackLast seen 25 Sep
- 🆕555 Timer & Oscillators Pro first spotted by AppInsider#7 in Top Paid · Education · Germany
- 📦555 Timer & Oscillators Pro version 3.3.1Updated content and libraries.
- 🆕555 Timer & Oscillators Pro: its developer released another app: Learn ESP32 Programming Pro
- 🆕555 Timer & Oscillators Pro released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
0.0 ★
0 ratings
Measured
555 Timer & Oscillators Pro on the App Store
App details
App ID
6504415162
Publisher
ALG Software Lab SIA
On the store since
Jun 2024
2 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
14
EN FR DE ID IT JA PL PT RU ZH ES TR …
Size
23 MB
Also listed in
Reference
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About 555 Timer & Oscillators Pro
Master the design of oscillators and waveform generators using 555 timer integrated circuits, digital logic integrated circuits, operational amplifiers, and transistors.
The application provides a comprehensive collection of over 130 tutorials and circuit diagrams, covering 555 timer circuits and practical applications, CMOS 4000 series logic oscillators, TTL 74LS and 74HC series oscillators, operational amplifier–based waveform generators, and transistor multivibrators. Designed for electronics beginners, students, hobbyists, and professional engineers, the app serves as a complete reference and learning tool for designing, understanding, and building oscillators, multivibrators, pulse generators, and waveform circuits commonly used in both analog and digital electronics.
In addition to tutorials and schematics, the app includes built-in calculators for frequency, timing, duty cycle, and component value estimation, helping users quickly calculate and adjust circuit parameters. All topics are presented with clear circuit diagrams and detailed explanations.
Available in 14 Languages:
• English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language!
Covered Topics:
• 555 Timer IC Series
• Astable, monostable, and bistable modes
• Pulse Width Modulation (PWM)
• Voltage conversion circuits
• Sensor and external module interfacing
• CMOS Logic Oscillators
• CMOS 4000 series circuits
• Astable, monostable, and bistable modes
• Gated CMOS oscillators
• TTL / HC Logic Oscillators
• TTL 74LS series circuits
• 74HC series logic oscillators
• Astable and monostable modes
• Operational Amplifier Oscillators
• Sine wave generators
• Square-wave pulse generators
• Triangle wave generators
• Transistor-Based Oscillators
• Transistor-Based Astable multivibrators
• Transistor-Based Monostable multivibrators
The Pro edition provides additional tools for faster learning and easy navigation:
• Full-text search across all lessons and components
• Favorites for saving and organizing important topics
The content is regularly updated and expanded with each new release, ensuring the latest tutorials and circuit examples are always available.
The application provides a comprehensive collection of over 130 tutorials and circuit diagrams, covering 555 timer circuits and practical applications, CMOS 4000 series logic oscillators, TTL 74LS and 74HC series oscillators, operational amplifier–based waveform generators, and transistor multivibrators. Designed for electronics beginners, students, hobbyists, and professional engineers, the app serves as a complete reference and learning tool for designing, understanding, and building oscillators, multivibrators, pulse generators, and waveform circuits commonly used in both analog and digital electronics.
In addition to tutorials and schematics, the app includes built-in calculators for frequency, timing, duty cycle, and component value estimation, helping users quickly calculate and adjust circuit parameters. All topics are presented with clear circuit diagrams and detailed explanations.
Available in 14 Languages:
• English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language!
Covered Topics:
• 555 Timer IC Series
• Astable, monostable, and bistable modes
• Pulse Width Modulation (PWM)
• Voltage conversion circuits
• Sensor and external module interfacing
• CMOS Logic Oscillators
• CMOS 4000 series circuits
• Astable, monostable, and bistable modes
• Gated CMOS oscillators
• TTL / HC Logic Oscillators
• TTL 74LS series circuits
• 74HC series logic oscillators
• Astable and monostable modes
• Operational Amplifier Oscillators
• Sine wave generators
• Square-wave pulse generators
• Triangle wave generators
• Transistor-Based Oscillators
• Transistor-Based Astable multivibrators
• Transistor-Based Monostable multivibrators
The Pro edition provides additional tools for faster learning and easy navigation:
• Full-text search across all lessons and components
• Favorites for saving and organizing important topics
The content is regularly updated and expanded with each new release, ensuring the latest tutorials and circuit examples are always available.
Latest updates
4.0.1
Updated content and libraries.
4.0
Updated content and libraries.
3.3.1
Updated content and libraries.
Store changes
What 555 Timer & Oscillators Pro changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Needs a newer iOS
iOS 16.0 → iOS 17.0
