# Operational Amplifiers Pro vs WAV Audio File Generator PRO

The clearest difference is rating: Operational Amplifiers Pro at 5.0 against WAV Audio File Generator PRO's 4.0. Operational Amplifiers Pro also leads on price ($4.99 vs $9.99). WAV Audio File Generator PRO's advantage is update cadence (monthly vs every 2 months) and ratings volume (5 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Operational Amplifiers Pro costs $4.99 and WAV Audio File Generator PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Operational Amplifiers Pro holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: WAV Audio File Generator PRO has 5 ratings behind it against 1, so its average is the more settled of the two.

Operational Amplifiers Pro ships an update every 2 months, WAV Audio File Generator PRO monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Operational Amplifiers Pro | WAV Audio File Generator PRO |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/wav-audio-file-generator-pro/id6739609082/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 14 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Operational Amplifiers Pro

[App page](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953)

This app provides interactive calculators and reference information for designing and analyzing op-amp circuits. It offers step-by-step explanations and technical data on popular op-amp series, aiding students and engineers in circuit development and prototyping.

**Highlights:** Interactive op-amp circuit calculators, Step-by-step explanations and formulas, Reference data on op-amps and comparators, Support for 14 languages, Light and dark mode, Advanced calculators and circuit guides (Pro), Full-text search (Pro)

**Features:** Vision Pro support

**In-app purchases:** none


### WAV Audio File Generator PRO

[App page](https://appshunter.io/ios/app/wav-audio-file-generator-pro/id6739609082)

Create high-quality WAV audio files with precise control over tones, sweeps, and noise. Supports various waveforms, sampling rates, channels, and bit depths for professional audio production and experimentation.

**Highlights:** Generate tones, sweeps, and noise, Supports Sine, Rectangle, Triangle, Sawtooth waveforms, Adjustable sampling rates (44.1kHz to 192kHz), Mono or stereo channel options, 16-bit or 32-bit bit depth, User-friendly design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Operational Amplifiers Pro free?

Operational Amplifiers Pro costs $4.99, with no in-app purchases.

### Is WAV Audio File Generator PRO free?

WAV Audio File Generator PRO costs $9.99, with no in-app purchases.

### Which has better reviews, Operational Amplifiers Pro or WAV Audio File Generator PRO?

Operational Amplifiers Pro is rated higher. Operational Amplifiers Pro averages 5.0 out of 5 from 1 ratings, while WAV Audio File Generator PRO averages 4.0 from 5 ratings.

### Do Operational Amplifiers Pro or WAV Audio File Generator PRO have ads?

Neither Operational Amplifiers Pro nor WAV Audio File Generator PRO shows ads.

### Which is updated more often, Operational Amplifiers Pro or WAV Audio File Generator PRO?

Operational Amplifiers Pro ships an update every 2 months, and WAV Audio File Generator PRO monthly. Most recently, Operational Amplifiers Pro was updated on November 3, 2026 and WAV Audio File Generator PRO on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*