# Flat Pattern Bend Calculator vs Tank Measure

The clearest difference is review sentiment: Flat Pattern Bend Calculator at 47% against Tank Measure's 0%. Flat Pattern Bend Calculator also leads on rating (4.6 vs 4.2). Tank Measure's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per month and Tank Measure sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Flat Pattern Bend Calculator holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 151 and 54 respectively. Written reviews point the same way: 47% of Flat Pattern Bend Calculator's written reviews are positive against 0% of Tank Measure's.

Flat Pattern Bend Calculator ships an update every 2 months, Tank Measure every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flat Pattern Bend Calculator | Tank Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** | [4.2 (54 ratings)](https://appshunter.io/ios/app/tank-measure-volume-calc/id6449375033/reviews) |
| Number of ratings | **151** | 54 |
| Positive reviews | **46.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 10 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Flat Pattern Bend Calculator

[App page](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922)

This app provides accurate flat pattern layouts for complex sheet metal shapes and transitions. It simplifies calculations for cones, frustums, cylinders, and various transition pieces, saving time and reducing errors in fabrication projects.

**Highlights:** Cone calculations, Frustum calculations, Truncated cylinder layouts, Bend allowance calculations, Transition piece generation, Complex shape patterns

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY UNLOCK | $4.99 | per month |
| Weekly Subscription | $4.99 | per 7 days |
| Offer : Yearly Access | $19.99 | per year |
| YEARLY UNLOCK | $29.99 | per year |
| Yearly Access | $29.99 | per year |
| LIFETIME UNLOCK | $49.99 | one-time |


### Tank Measure

[App page](https://appshunter.io/ios/app/tank-measure-volume-calc/id6449375033)

Calculate the volume of various tank shapes with precision and ease. This user-friendly tool supports a wide range of tank types and units, making it ideal for professionals and DIY enthusiasts alike. It offers advanced algorithms for accuracy and is optimized for efficiency on your device.

**Highlights:** Multiple tank shape calculators, High precision volume calculations, User-friendly interface, Support for diverse units, Thermal expansion calculator, Flow rate calculator

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $1.99 | per month |
| Full version / year | $3.99 | per year |
| Remove ADS | $7.99 | one-time |


## Frequently asked questions

### Is Flat Pattern Bend Calculator free?

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

### Is Tank Measure free?

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

### Which has better reviews, Flat Pattern Bend Calculator or Tank Measure?

Flat Pattern Bend Calculator is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Tank Measure averages 4.2 from 54 ratings.

### Do Flat Pattern Bend Calculator or Tank Measure have ads?

Flat Pattern Bend Calculator shows ads; Tank Measure does not.

### Which is updated more often, Flat Pattern Bend Calculator or Tank Measure?

Flat Pattern Bend Calculator ships an update every 2 months, and Tank Measure every 3 weeks. Most recently, Flat Pattern Bend Calculator was updated on October 29, 2026 and Tank Measure on October 30, 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.*