# Subnet Calc Pro vs COLOURLOCK® ColourWatch

The clearest difference is price: COLOURLOCK® ColourWatch at Free against Subnet Calc Pro's $3.99. COLOURLOCK® ColourWatch also leads on rating (5.0 vs 3.3) and update cadence (weekly vs every 5 months). Subnet Calc Pro's advantage is ratings volume (3 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

COLOURLOCK® ColourWatch 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.

COLOURLOCK® ColourWatch holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Subnet Calc Pro ships an update every 5 months, COLOURLOCK® ColourWatch weekly. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Subnet Calc Pro | COLOURLOCK® ColourWatch |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/subnet-calc-pro/id303555213/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colourlock-colourwatch/id1491016146/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 18 MB | 6 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Swipe Stack Ltd](https://appshunter.io/developer/295652245) | [MSP Systems Ltd](https://appshunter.io/developer/1237501095) |

## 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


### COLOURLOCK® ColourWatch

[App page](https://appshunter.io/ios/app/colourlock-colourwatch/id1491016146)

This app assists leather repair professionals in mixing precise leather dye colors. It offers over 1700 recipes, allowing users to input desired quantities for exact color combinations. Achieve accurate shades with tested formulas for efficient and high-quality leather repairs.

**Highlights:** Extensive recipe database (1700+), Sort by manufacturer and color name, Precise quantity calculation, Tested and accurate color formulas, Leather and imitation leather repair, Find original leather color names

**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 COLOURLOCK® ColourWatch free?

COLOURLOCK® ColourWatch is free to download, with no in-app purchases.

### Which has better reviews, Subnet Calc Pro or COLOURLOCK® ColourWatch?

COLOURLOCK® ColourWatch is rated higher. Subnet Calc Pro averages 3.3 out of 5 from 3 ratings, while COLOURLOCK® ColourWatch averages 5.0 from 1 ratings.

### Do Subnet Calc Pro or COLOURLOCK® ColourWatch have ads?

Neither Subnet Calc Pro nor COLOURLOCK® ColourWatch shows ads.

### Which is updated more often, Subnet Calc Pro or COLOURLOCK® ColourWatch?

Subnet Calc Pro ships an update every 5 months, and COLOURLOCK® ColourWatch weekly. Most recently, Subnet Calc Pro was updated on October 27, 2026 and COLOURLOCK® ColourWatch on October 7, 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.*