# IP Calc vs CallsingQRZ

The clearest difference is review sentiment: IP Calc at 81% against CallsingQRZ's 33%. CallsingQRZ's advantage is price ($0.99 vs $4.99) and device support (3 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

IP Calc costs $4.99 and CallsingQRZ $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IP Calc | CallsingQRZ |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ip-calc/id290185565/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **81.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Monetization | Paid | Paid |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Taylor](https://appshunter.io/developer/290185568) | [Timur Isaev](https://appshunter.io/developer/593517481) |

## What reviewers say

### IP Calc

[App page](https://appshunter.io/ios/app/ip-calc/id290185565)

Easily plan network changes with this tool. Enter an IP address and use a slider to select a subnet mask, instantly calculating and displaying all subnet-related information on a single screen.

**Highlights:** Instant mobile CIDR IPv4 calculations, Displays network and broadcast addresses, Calculates subnet and wildcard masks, Shows host range (HostMin and HostMax), Determines Max Subnets and Hosts/Net, Previous/Next Subnet navigation

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

**In-app purchases:** none


### CallsingQRZ

[App page](https://appshunter.io/ios/app/callsingqrz/id1482088063)

Access and view amateur radio callsign information from QRZ.RU and QRZ.COM databases. This reference tool helps users quickly find details related to amateur radio callsigns.

**Highlights:** Search amateur callsign information, Access QRZ.RU database, Access QRZ.COM database, Display callsign details, Reference tool for radio amateurs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IP Calc free?

IP Calc costs $4.99, with no in-app purchases.

### Is CallsingQRZ free?

CallsingQRZ costs $0.99, with no in-app purchases.

### Do IP Calc or CallsingQRZ have ads?

Neither IP Calc nor CallsingQRZ shows ads.

### Which is updated more often, IP Calc or CallsingQRZ?

IP Calc ships an update every 4 weeks, and CallsingQRZ every 4 weeks. Most recently, IP Calc was updated on October 29, 2026 and CallsingQRZ on October 24, 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.*