# Gas Pipe Sizing Calculator vs Konvert

The clearest difference is review sentiment: Konvert at 79% against Gas Pipe Sizing Calculator's 13%. Konvert also leads on rating (4.8 vs 4.0) and monetization model (free vs paid). Gas Pipe Sizing Calculator's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Gas Pipe Sizing Calculator costs $1.99 and Konvert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Konvert holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Konvert has 364 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 79% of Konvert's.

Gas Pipe Sizing Calculator ships an update every 13 months, Konvert monthly. Both last shipped on September 14, 2026.

## The numbers

| Metric | Gas Pipe Sizing Calculator | Konvert |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129/reviews) | **[4.8 (364 ratings)](https://appshunter.io/ios/app/konvert/id679568189/reviews)** |
| Number of ratings | 4 | **364** |
| Positive reviews | 13.3% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 2 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Connor Kelley](https://appshunter.io/developer/596009132) | [InnovationBox](https://appshunter.io/developer/388046149) |

## What reviewers say

### Gas Pipe Sizing Calculator

[App page](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129)

This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.

**Highlights:** Calculates minimum gas pipe size, Input BTU load, Input longest run length, Select gas type (LP or Natural), Designed for low pressure (0.5psi)

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

**In-app purchases:** none


### Konvert

[App page](https://appshunter.io/ios/app/konvert/id679568189)

This app provides a simple and intuitive way to perform unit and currency conversions. It features a clean design, supports numerous categories and units, and offers convenient features like real-time conversion and widget integration.

**Highlights:** Easy to use with clean design, 24 categories and hundreds of units, Converts as you type, Today widget for last conversion, 3D Touch shortcut for currency converter, Localized in multiple languages

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful, clean, and intuitive user interface design
- ⚡ Fast and easy to use for quick conversions
- 📊 Comprehensive range of unit conversions available
- ✨ Smooth animations and polished visual presentation
- 🔄 Works offline for currency and unit conversions

**What reviewers complain about**

- 💱 Exchange rates not updating or frequently inaccurate
- 🐢 Cumbersome unit selection process (swiping through tiny windows)
- 📉 Lack of developer support and long periods without updates
- ❌ Missing common conversion categories (volume/liquid conversions)
- 🔢 Limited currency options (only ~10 out of 150+ worldwide currencies)

**Reported bugs**

- Exchange rates not updating properly
- Inaccurate currency conversion rates (off by significant margins)
- Data conversion errors (KB to Bytes calculation incorrect)
- Unit arrangement feature non-functional
- Missing units in various categories despite being listed

**Requested features**

- Add volume/liquid conversions (ml to oz, liters, etc.)
- Expand currency list to include more world currencies
- Improve unit selection interface (tap-to-select instead of swiping)
- Add more measurement units (miles per gallon, stone weight, etc.)
- Implement different color themes or dark mode


## Frequently asked questions

### Is Gas Pipe Sizing Calculator free?

Gas Pipe Sizing Calculator costs $1.99, with no in-app purchases.

### Is Konvert free?

Konvert costs $1.99, with no in-app purchases.

### Which has better reviews, Gas Pipe Sizing Calculator or Konvert?

Konvert is rated higher. Gas Pipe Sizing Calculator averages 4.0 out of 5 from 4 ratings, while Konvert averages 4.8 from 364 ratings.

### Do Gas Pipe Sizing Calculator or Konvert have ads?

Neither Gas Pipe Sizing Calculator nor Konvert shows ads.

### Which is updated more often, Gas Pipe Sizing Calculator or Konvert?

Gas Pipe Sizing Calculator ships an update every 13 months, and Konvert monthly. Most recently, Gas Pipe Sizing Calculator was updated on September 14, 2026 and Konvert on September 14, 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.*