# Duct Calculator Elite vs Thingview

The clearest difference is price: Thingview at $1.99 against Duct Calculator Elite's $9.99. Thingview also leads on update cadence (every 2 months vs every 15 months). Duct Calculator Elite's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, device support and iOS requirement there is nothing between them.

Duct Calculator Elite costs $9.99 and Thingview $1.99 up front. Thingview sells 1 one-off in-app purchase. Duct Calculator Elite asks for nothing beyond the download.

Duct Calculator Elite holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Duct Calculator Elite has 234 ratings behind it against 35, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Duct Calculator Elite ships an update every 15 months, Thingview every 2 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Duct Calculator Elite | Thingview |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[4.8 (234 ratings)](https://appshunter.io/ios/app/duct-calculator-elite/id665701601/reviews)** | [4.3 (35 ratings)](https://appshunter.io/ios/app/thingview/id1284878579/reviews) |
| Number of ratings | **234** | 35 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 13 MB | 14 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyberprodigy LLC](https://appshunter.io/developer/510284906) | [Marcelo Prolo](https://appshunter.io/developer/1284878578) |

## What reviewers say

### Duct Calculator Elite

[App page](https://appshunter.io/ios/app/duct-calculator-elite/id665701601)

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

**Highlights:** Calculate duct size, velocity, pressure drop, flow rate, Duct Size by Airflow mode, Duct Size by Dimension mode, Pressure Drop calculations, Customizable units and duct materials, Uses ASHRAE Handbook friction loss equations

**Features:** macOS Compatibility

**In-app purchases:** none


### Thingview

[App page](https://appshunter.io/ios/app/thingview/id1284878579)

Visualize your ThingSpeak data channels with ease. Simply input your channel ID to start viewing your data in a user-friendly interface.

**Highlights:** Visualize ThingSpeak channels, Enter channel ID to view data, Easy to use interface, Data visualization tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thingview Full | $1.99 | one-time |

**What reviewers like**

- 👍 Great app for viewing ThingSpeak data
- 🚀 Quick and easy setup
- 👍 Simple and clean interface
- 👍 Reliable performance
- 👍 Convenient for field checks

**What reviewers complain about**

- 🐛 Limited data history (often 3 days)
- 🐛 Inability to zoom out past a certain time range
- 🐛 Paid app lacks features like alerts/widgets
- 🐛 Display issues on newer devices/updates
- 🐛 Refresh button not working

**Reported bugs**

- App closes abruptly when creating channel
- App does not open on mobile version
- Search button covered by keyboard when adding channel
- Only 3 days of data displayed
- Time scale fixed to two hours on overview screen

**Requested features**

- Add status update reporting
- Add lat/long display
- Add alert/notification options
- Add widget support
- Add auto-refresh functionality


## Frequently asked questions

### Is Duct Calculator Elite free?

Duct Calculator Elite costs $9.99, with no in-app purchases.

### Is Thingview free?

Thingview costs $1.99, and also offers in-app purchases.

### Which has better reviews, Duct Calculator Elite or Thingview?

Duct Calculator Elite is rated higher. Duct Calculator Elite averages 4.8 out of 5 from 234 ratings, while Thingview averages 4.3 from 35 ratings.

### Do Duct Calculator Elite or Thingview have ads?

Thingview shows ads; Duct Calculator Elite does not.

### Which is updated more often, Duct Calculator Elite or Thingview?

Duct Calculator Elite ships an update every 15 months, and Thingview every 2 months. Most recently, Duct Calculator Elite was updated on November 1, 2026 and Thingview on October 29, 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.*