# Hantek365 vs Operational Amplifiers Pro

The clearest difference is price: Hantek365 at Free against Operational Amplifiers Pro's $4.99. Hantek365 also leads on iOS requirement (9.0 vs 17.0). Operational Amplifiers Pro's advantage is rating (5.0 vs 4.0) and update cadence (every 2 months vs every 8 months). On ratings volume, ads and in-app purchases there is nothing between them.

Hantek365 is free to download; Operational Amplifiers Pro costs $4.99 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. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Hantek365 ships an update every 8 months, Operational Amplifiers Pro every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | Hantek365 | Operational Amplifiers Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/hantek365/id871598583/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 14 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [君虎 刘](https://appshunter.io/developer/871598586) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Hantek365

[App page](https://appshunter.io/ios/app/hantek365/id871598583)

This application pairs with specific hardware to wirelessly transmit electrical measurements like voltage and current to an iPad. It allows for real-time data logging, trend curve creation, and safe electrical isolation. The software offers flexible control for enhanced visualization of electrical data.

**Highlights:** Wireless Bluetooth transmission of measurements, Real-time data logging, Trend curve creation, Safe electrical isolation, True RMS measurement, Flexible control software

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Hantek365 free?

Hantek365 is free to download, with no in-app purchases.

### Is Operational Amplifiers Pro free?

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

### Which has better reviews, Hantek365 or Operational Amplifiers Pro?

Operational Amplifiers Pro is rated higher. Hantek365 averages 4.0 out of 5 from 2 ratings, while Operational Amplifiers Pro averages 5.0 from 1 ratings.

### Do Hantek365 or Operational Amplifiers Pro have ads?

Neither Hantek365 nor Operational Amplifiers Pro shows ads.

### Which is updated more often, Hantek365 or Operational Amplifiers Pro?

Hantek365 ships an update every 8 months, and Operational Amplifiers Pro every 2 months. Most recently, Hantek365 was updated on October 19, 2026 and Operational Amplifiers Pro on October 19, 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.*