AC Circuit Analyzer vs 555 Timer & Oscillators Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AC Circuit Analyzer
This application enables users to simulate and design AC circuits, offering a unique way to input circuits in phasor form. It's an ideal tool for students studying electrical engineering and related fields.
- AC circuit simulation
- Phasor input for circuits
- Ideal for theoretical and real-world scenarios
- Supports various electrical engineering courses
- User-friendly interface
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This easy to use AC Circuit Analyzer allows users to simulate AC Circuits. The AC Circuit Analyzer is the only Circuit Analyzer that allows user to enter AC circuits in Phasor form. Making it the ideal solution for both theoretical, and real-world AC circuit simulation. The AC Circuit Analyzer is perfect for students taking courses that use AC Circuits; such as Circuits II, EM-Fields, Power Engineering, and Telecommunications.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: 555 Timer & Oscillators Guide at none against AC Circuit Analyzer's 1. AC Circuit Analyzer's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 months). On price 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. AC Circuit Analyzer sells 1 one-off in-app purchase. 555 Timer & Oscillators Guide asks for nothing beyond the download.
AC Circuit Analyzer ships an update fortnightly, 555 Timer & Oscillators Guide every 5 months. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.
| Parameter | AC Circuit Analyzer | 555 Timer & Oscillators Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 35 MB | 24 MB |
| Age rating | 4+ | +4 |
| Developer | Paul Moat | ALG Software Lab |
In-app purchases
AC Circuit Analyzer
- Unlock Full Access$1.99
555 Timer & Oscillators Guide
No in-app purchases
Questions
Is AC Circuit Analyzer free?
Is 555 Timer & Oscillators Guide free?
Do AC Circuit Analyzer or 555 Timer & Oscillators Guide have ads?
Which is updated more often, AC Circuit Analyzer or 555 Timer & Oscillators Guide?
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