# Subnet Calc Pro vs JotBar Mobile Tools

The clearest difference is price: JotBar Mobile Tools at Free against Subnet Calc Pro's $3.99. Subnet Calc Pro's advantage is iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

JotBar Mobile Tools is free to download; Subnet Calc Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Subnet Calc Pro ships an update every 5 months, JotBar Mobile Tools every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Subnet Calc Pro | JotBar Mobile Tools |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/subnet-calc-pro/id303555213/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 18 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Swipe Stack Ltd](https://appshunter.io/developer/295652245) | [Jotbar Solutions Oy](https://appshunter.io/developer/1191811529) |

## What reviewers say

### Subnet Calc Pro

[App page](https://appshunter.io/ios/app/subnet-calc-pro/id303555213)

This tool assists network administrators in organizing and tracking subnets. It allows for hierarchical organization of subnets, IP allocation for hosts, and calculation of subnet details. It also includes a finder for encompassing IPs and a standard calculator.

**Highlights:** Hierarchical subnet organization, IP host allocation tracking, Automatic subnet detail calculation, Subnet finder for encompassing IPs, Standard subnet calculator, Data export via email

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

**In-app purchases:** none


### JotBar Mobile Tools

[App page](https://appshunter.io/ios/app/jotbar-mobile-tools/id1243345956)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subnet Calc Pro free?

Subnet Calc Pro costs $3.99, with no in-app purchases.

### Is JotBar Mobile Tools free?

JotBar Mobile Tools is free to download, with no in-app purchases.

### Do Subnet Calc Pro or JotBar Mobile Tools have ads?

Neither Subnet Calc Pro nor JotBar Mobile Tools shows ads.

### Which is updated more often, Subnet Calc Pro or JotBar Mobile Tools?

Subnet Calc Pro ships an update every 5 months, and JotBar Mobile Tools every 7 months. Most recently, Subnet Calc Pro was updated on November 6, 2026 and JotBar Mobile Tools on November 2, 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.*