555 Timer & Oscillators Guide vs PLC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
555 Timer & Oscillators Guide
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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 content is regularly updated and expanded with each new release, ensuring the latest tutorials and circuit examples are always available.
PLC
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Welcome to the Conservation Leadership Program Community! -Access all program information, including modules, activities, and events. -Connect with other leaders and experts in marine and environmental conservation. -Participate in forums and discussions to share ideas and experiences. - Earn points and achievements through gamification with challenges and interactive activities. -Receive notifications and reminders about live sessions, important dates, and updates. -Track your progress in the travel log and receive personalized feedback. Be part of a community of leaders committed to conservation. The Conservation Leadership Program is designed to provide tools, knowledge, and a support network for those seeking to create a positive impact on the environment. Download the app and join our community to enhance your learning and connect with other changemakers. Together, we create a more sustainable future!
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Verdict
The clearest difference is ads: PLC at none against 555 Timer & Oscillators Guide's shown. PLC also leads on iOS requirement (13.4 vs 16.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 555 Timer & Oscillators Guide | PLC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 24 MB | 63 MB |
| Age rating | 4+ | 17+ |
| Developer | ALG Software Lab | Centro Para la Biodiversidad Marina y la Conservacion, A.C. |
In-app purchases
555 Timer & Oscillators Guide
No in-app purchases
PLC
No in-app purchases
Questions
Is 555 Timer & Oscillators Guide free?
Is PLC free?
Do 555 Timer & Oscillators Guide or PLC have ads?
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