# Thermal Insulation Calculator vs ElbowCalc

The clearest difference is rating: ElbowCalc at 4.3 against Thermal Insulation Calculator's 1.0. ElbowCalc also leads on update cadence (every 5 weeks vs every 13 months) and ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Thermal Insulation Calculator sells 1 one-off in-app purchase and ElbowCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ElbowCalc holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: ElbowCalc has 7 ratings behind it against 1, so its average is the more settled of the two.

Thermal Insulation Calculator ships an update every 13 months, ElbowCalc every 5 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Thermal Insulation Calculator | ElbowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/thermal-insulation-calculator/id6738991204/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/elbowcalc-flat-pattern-maker/id6753796014/reviews)** |
| Number of ratings | 1 | **7** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### Thermal Insulation Calculator

[App page](https://appshunter.io/ios/app/thermal-insulation-calculator/id6738991204)

This tool simplifies complex thermal insulation estimations for professionals, students, and learners. It provides clear insights for planning and understanding insulation tasks with a user-friendly interface.

**Highlights:** Thermal insulation calculations, Estimation support, Educational insights, User-friendly interface, Beginner and professional support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $8.99 | one-time |


### ElbowCalc

[App page](https://appshunter.io/ios/app/elbowcalc-flat-pattern-maker/id6753796014)

This professional tool assists engineers and fabricators in quickly calculating and visualizing flat patterns for elbows and reducers. It provides instant pattern graphs with cut coordinates to streamline fabrication and minimize material waste.

**Highlights:** Calculate various elbow types, Generate flat pattern graphs, Supports reducer bends, Provides cut coordinates, Fast and precise calculations, Share and save results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $19.99 | one-time |


## Frequently asked questions

### Is Thermal Insulation Calculator free?

Thermal Insulation Calculator is free to download, with in-app purchases available.

### Is ElbowCalc free?

ElbowCalc is free to download, with in-app purchases available.

### Which has better reviews, Thermal Insulation Calculator or ElbowCalc?

ElbowCalc is rated higher. Thermal Insulation Calculator averages 1.0 out of 5 from 1 ratings, while ElbowCalc averages 4.3 from 7 ratings.

### Do Thermal Insulation Calculator or ElbowCalc have ads?

Neither Thermal Insulation Calculator nor ElbowCalc shows ads.

### Which is updated more often, Thermal Insulation Calculator or ElbowCalc?

Thermal Insulation Calculator ships an update every 13 months, and ElbowCalc every 5 weeks. Most recently, Thermal Insulation Calculator was updated on September 24, 2026 and ElbowCalc on September 10, 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.*