# Silverson Conversion Tools vs Cones Calculator Pro

The clearest difference is price: Silverson Conversion Tools at Free against Cones Calculator Pro's $3.99. Silverson Conversion Tools also leads on rating (4.7 vs 1.0) and update cadence (every 6 months vs every 41 months). On ads, in-app purchases and device support there is nothing between them.

Silverson Conversion Tools is free to download; Cones Calculator Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Silverson Conversion Tools holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Silverson Conversion Tools ships an update every 6 months, Cones Calculator Pro every 41 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Silverson Conversion Tools | Cones Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/silverson-conversion-tools/id626189811/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cones-calculator-pro/id1489842004/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 9 MB | 2 MB |
| Requires iOS | **8.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silverson Machines Limited](https://appshunter.io/developer/626189814) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## What reviewers say

### Silverson Conversion Tools

[App page](https://appshunter.io/ios/app/silverson-conversion-tools/id626189811)

This app provides engineers and operations personnel with tools to calculate the volume of vertical tanks of various shapes and top/bottom styles. It also includes multiple conversion tools for common measurements and a browser for product information.

**Highlights:** Vertical tank volume calculation, Multiple tank shapes and top/bottom styles, Unit conversion tools, Email/Share calculation results, Integrated product browser

**Features:** macOS Compatibility

**In-app purchases:** none


### Cones Calculator Pro

[App page](https://appshunter.io/ios/app/cones-calculator-pro/id1489842004)

This app calculates flat pattern layouts for various types of cones, including full, half, truncated, concentric, and eccentric cones. It's designed for fabrication professionals working with pressure vessels, heat exchangers, and storage tanks.

**Highlights:** Flat pattern layout development, Full, half, and truncated cone calculations, Concentric and eccentric cone layouts, Multi-level cone division, Tori cone with knuckle options, Fabrication-ready layouts

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

**In-app purchases:** none


## Frequently asked questions

### Is Silverson Conversion Tools free?

Silverson Conversion Tools is free to download, with no in-app purchases.

### Is Cones Calculator Pro free?

Cones Calculator Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Silverson Conversion Tools or Cones Calculator Pro?

Silverson Conversion Tools is rated higher. Silverson Conversion Tools averages 4.7 out of 5 from 3 ratings, while Cones Calculator Pro averages 1.0 from 1 ratings.

### Do Silverson Conversion Tools or Cones Calculator Pro have ads?

Neither Silverson Conversion Tools nor Cones Calculator Pro shows ads.

### Which is updated more often, Silverson Conversion Tools or Cones Calculator Pro?

Silverson Conversion Tools ships an update every 6 months, and Cones Calculator Pro every 41 months. Most recently, Silverson Conversion Tools was updated on October 4, 2026 and Cones Calculator Pro on October 17, 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.*