# IP and Subnet Calculator Pro vs Operational Amplifiers Pro

The clearest difference is price: IP and Subnet Calculator Pro at $3.99 against Operational Amplifiers Pro's $4.99. IP and Subnet Calculator Pro also leads on iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

IP and Subnet Calculator Pro costs $3.99 and Operational Amplifiers Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IP and Subnet Calculator Pro | Operational Amplifiers Pro |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/operational-amplifiers-pro/id6467253953/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Le Vu](https://appshunter.io/developer/888757091) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### IP and Subnet Calculator Pro

[App page](https://appshunter.io/ios/app/ip-and-subnet-calculator-pro/id1028901431)

Calculate IP addresses and subnets with ease. Supports IPv4 and IPv6, offering conversions and detailed network information. Ideal for IT professionals and students learning about IP networking.

**Highlights:** IPv4 and IPv6 support, Subnet Mask, CIDR, Wildcard Mask input, IPv4 to IPv6 conversion, Decimal and Binary IP display, Adjacent network navigation, Subnet address navigation

**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 IP and Subnet Calculator Pro free?

IP and Subnet Calculator Pro costs $3.99, with no in-app purchases.

### Is Operational Amplifiers Pro free?

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

### Do IP and Subnet Calculator Pro or Operational Amplifiers Pro have ads?

Neither IP and Subnet Calculator Pro nor Operational Amplifiers Pro shows ads.

### Which is updated more often, IP and Subnet Calculator Pro or Operational Amplifiers Pro?

IP and Subnet Calculator Pro ships an update every 2 months, and Operational Amplifiers Pro every 2 months. Most recently, IP and Subnet Calculator Pro was updated on November 1, 2026 and Operational Amplifiers Pro on November 3, 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.*