Comparison

Opamp tools vs AC Circuit Analyzer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Opamp tools

Read full description

This app is the collection of operational amplifier calculators. It is suitable for hobbyist or electronic engineer. Features * Inverting amplifier * Non-Inverting amplifier * Differential amplifier * Summing amplifier * Inverting comparator * First-order filter * Second-order filter (HPF) * Phase shift oscillator * Colpitts oscillator * Limit 5 combinations of component values * Share CSV via AirDrop * Upload CSV to iCloud Drive (For iOS8 or later) Pro Features * Instrumentation amplifier * Non-inverting comparator * Second-order filter (LPF) * Wien bridege oscillator * Hartley oscillator * No limitation of the number of suggestions * Selectable 1%,5%,10%,20% of values

About

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.

Highlights
  • AC circuit simulation
  • Phasor input for circuits
  • Ideal for theoretical and real-world scenarios
  • Supports various electrical engineering courses
  • User-friendly interface
Features
Read full description

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.

Screenshots

Opamp tools4 screens
AC Circuit Analyzer4 screens

Verdict

The call

The clearest difference is update cadence: AC Circuit Analyzer at fortnightly against Opamp tools's every 12 months. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Opamp tools sells 1 one-off in-app purchase and AC Circuit Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Opamp tools ships an update every 12 months, AC Circuit Analyzer fortnightly. The most recent releases landed on May 16, 2026 and June 1, 2026 respectively.

Scorecard1 real difference · 8 level
Opamp tools versus AC Circuit Analyzer: the parameters behind the verdict, then further details
ParameterOpamp toolsAC Circuit Analyzer
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 12 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size4 MB35 MB
Age rating4+4+
DeveloperSiu Yuen HoPaul Moat

In-app purchases

1 purchases

Opamp tools

One-time1
  • Unlock pro feature$1.99
1 purchases

AC Circuit Analyzer

One-time1
  • Unlock Full Access$1.99

Questions

Is Opamp tools free?
Opamp tools is free to download, with in-app purchases available.
Is AC Circuit Analyzer free?
AC Circuit Analyzer is free to download, with in-app purchases available.
Do Opamp tools or AC Circuit Analyzer have ads?
Neither Opamp tools nor AC Circuit Analyzer shows ads.
Which is updated more often, Opamp tools or AC Circuit Analyzer?
Opamp tools ships an update every 12 months, and AC Circuit Analyzer fortnightly. Most recently, Opamp tools was updated on May 16, 2026 and AC Circuit Analyzer on June 1, 2026.

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