# BT System vs IP Calculations

The clearest difference is iOS requirement: BT System at 8.0 against IP Calculations's 14.0. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | BT System | IP Calculations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/bt-system/id1501788263/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | Free |
| Size | 21 MB | 1 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凤军 程](https://appshunter.io/developer/873913814) | [G Sanghani](https://appshunter.io/developer/772995906) |

## What reviewers say

### BT System

[App page](https://appshunter.io/ios/app/bt-system/id1501788263)

Start your car remotely using your smartphone, eliminating the need to carry physical keys. This app provides convenient access to your vehicle through your mobile device.

**Highlights:** Remote car starting, Keyless car access, Smartphone control, Convenient vehicle access

**Features:** macOS Compatibility

**In-app purchases:** none


### IP Calculations

[App page](https://appshunter.io/ios/app/ip-calculations/id1613113725)

This utility app helps network administrators and students calculate various IPv4 and VLSM subnetting details. It provides information on IP address classes, hosts per subnet, network and broadcast addresses, and binary notations for IP and subnet masks.

**Highlights:** Determine IPv4 Address Class, Calculate Hosts per Subnet, Find Network Address, Identify First and Last Host, Get Broadcast Address, Binary Notation for IPv4 and Masks, VLSM Allocated Hosts Calculation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BT System free?

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

### Is IP Calculations free?

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

### Do BT System or IP Calculations have ads?

Neither BT System nor IP Calculations shows ads.

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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.*