# DuctSizeCalc vs iEverText

The clearest difference is review sentiment: iEverText at 73% against DuctSizeCalc's 0%. iEverText also leads on rating (5.0 vs 2.0) and update cadence (every 8 months vs every 58 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

DuctSizeCalc costs $2.99 and iEverText $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iEverText holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of DuctSizeCalc's written reviews are positive against 73% of iEverText's.

DuctSizeCalc ships an update every 58 months, iEverText every 8 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DuctSizeCalc | iEverText |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/ductsizecalc/id458032972/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ievertext/id589292712/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **72.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 8 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 12 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Technical Data Service Co.,Ltd.](https://appshunter.io/developer/441746798) | [LIGHT,WAY.](https://appshunter.io/developer/385570928) |

## What reviewers say

### DuctSizeCalc

[App page](https://appshunter.io/ios/app/ductsizecalc/id458032972)

Easily calculate duct sizes for air conditioning systems using the constant-pressure method. Input wind volume and tap calculate to determine duct dimensions, pressure, and wind velocity. Useful for blueprints, working drawings, and on-site applications.

**Highlights:** Constant-pressure method duct sizing, Input wind volume for calculation, Supports rectangular and circular ducts, Adjustable friction loss and wind velocity, Automatic height adjustment for WxH interlock, Metric system calculations

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

**In-app purchases:** none


### iEverText

[App page](https://appshunter.io/ios/app/ievertext/id589292712)

A versatile text editor for iPhone, iPod touch, and iPad that allows you to capture favorite expressions from webpages and ebooks directly into your notes. Edit shared texts seamlessly between devices and enjoy a full-featured writing experience on the go.

**Highlights:** Capture text from webpages and ebooks, Edit shared texts between devices, Multi-document editing, Email editing text instantly, Preview webpages and ebooks, TextExpander touch snippet expansion

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

**In-app purchases:** none


## Frequently asked questions

### Is DuctSizeCalc free?

DuctSizeCalc costs $2.99, with no in-app purchases.

### Is iEverText free?

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

### Which has better reviews, DuctSizeCalc or iEverText?

iEverText is rated higher. DuctSizeCalc averages 2.0 out of 5 from 1 ratings, while iEverText averages 5.0 from 1 ratings.

### Do DuctSizeCalc or iEverText have ads?

Neither DuctSizeCalc nor iEverText shows ads.

### Which is updated more often, DuctSizeCalc or iEverText?

DuctSizeCalc ships an update every 58 months, and iEverText every 8 months. Most recently, DuctSizeCalc was updated on October 8, 2026 and iEverText on October 13, 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.*