# Surface Area Calculator + Cost vs Flat Pattern Cone Calculator

The clearest difference is rating: Flat Pattern Cone Calculator at 4.3 against Surface Area Calculator + Cost's 3.5. Flat Pattern Cone Calculator also leads on review sentiment (40% vs 22%) and ratings volume (92 vs 24). Surface Area Calculator + Cost's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Surface Area Calculator + Cost sells 3 in-app purchases, starting at $1.99 per month and Flat Pattern Cone Calculator sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Flat Pattern Cone Calculator holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 24 and 92 respectively. Written reviews point the same way: 22% of Surface Area Calculator + Cost's written reviews are positive against 40% of Flat Pattern Cone Calculator's.

Surface Area Calculator + Cost ships an update every 6 months, Flat Pattern Cone Calculator every 12 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Surface Area Calculator + Cost | Flat Pattern Cone Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (24 ratings)](https://appshunter.io/ios/app/surface-area-calculator-plus-cost/id1502218219/reviews) | **[4.3 (92 ratings)](https://appshunter.io/ios/app/flat-pattern-cone-calculator/id1576156406/reviews)** |
| Number of ratings | 24 | **92** |
| Positive reviews | 22.2% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 69 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### Surface Area Calculator + Cost

[App page](https://appshunter.io/ios/app/surface-area-calculator-plus-cost/id1502218219)

Calculate the surface area of various 3D geometric shapes and get an estimated cost for materials. Supports multiple units for calculations and results.

**Highlights:** Surface area calculation for 11 shapes, Material cost estimation, Multiple unit support, Results in various units, Subscription for unlimited access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly package | $1.99 | per month |
| Annual Premium Package | $14.99 | per year |
| Remove ads | $19.99 | one-time |


### Flat Pattern Cone Calculator

[App page](https://appshunter.io/ios/app/flat-pattern-cone-calculator/id1576156406)

Calculates the parameters needed to create flat patterns for right, oblique, or truncated cones from sheet materials. Ideal for students and engineers needing precise cone development information.

**Highlights:** Calculates right cone patterns, Calculates oblique cone patterns, Calculates truncated cone patterns, Supports sheet metal development, Provides detailed cone parameters

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Yearly Access | $19.99 | per year |
| Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Surface Area Calculator + Cost free?

Surface Area Calculator + Cost is free to download, with in-app purchases available.

### Is Flat Pattern Cone Calculator free?

Flat Pattern Cone Calculator is free to download, with in-app purchases available.

### Which has better reviews, Surface Area Calculator + Cost or Flat Pattern Cone Calculator?

Flat Pattern Cone Calculator is rated higher. Surface Area Calculator + Cost averages 3.5 out of 5 from 24 ratings, while Flat Pattern Cone Calculator averages 4.3 from 92 ratings.

### Do Surface Area Calculator + Cost or Flat Pattern Cone Calculator have ads?

Flat Pattern Cone Calculator shows ads; Surface Area Calculator + Cost does not.

### Which is updated more often, Surface Area Calculator + Cost or Flat Pattern Cone Calculator?

Surface Area Calculator + Cost ships an update every 6 months, and Flat Pattern Cone Calculator every 12 months. Most recently, Surface Area Calculator + Cost was updated on October 1, 2026 and Flat Pattern Cone Calculator on October 15, 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.*