# Engineering Survey Calculator vs MeMstar

The clearest difference is price: MeMstar at Free against Engineering Survey Calculator's $2.99. MeMstar also leads on update cadence (every 9 months vs every 24 months) and iOS requirement (14.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

MeMstar is free to download; Engineering Survey Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Engineering Survey Calculator ships an update every 24 months, MeMstar every 9 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Engineering Survey Calculator | MeMstar |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engineering-survey-calculator/id641965073/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Mickael Pannequin](https://appshunter.io/developer/1688387073) |

## What reviewers say

### Engineering Survey Calculator

[App page](https://appshunter.io/ios/app/engineering-survey-calculator/id641965073)

This app provides 33 essential calculators for surveying, measurement, and civil engineering tasks. It supports both Imperial (USCS) and Metric (SI) units, making it a versatile tool for engineers and surveyors on iOS devices.

**Highlights:** 33 specialized calculators, Surveying and measurement tools, Civil engineering parameters, Imperial (USCS) and Metric (SI) units, Available for iPhone and iPad

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

**In-app purchases:** none


### MeMstar

[App page](https://appshunter.io/ios/app/memstar/id6449255656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Survey Calculator free?

Engineering Survey Calculator costs $2.99, with no in-app purchases.

### Is MeMstar free?

MeMstar is free to download, with no in-app purchases.

### Do Engineering Survey Calculator or MeMstar have ads?

Neither Engineering Survey Calculator nor MeMstar shows ads.

### Which is updated more often, Engineering Survey Calculator or MeMstar?

Engineering Survey Calculator ships an update every 24 months, and MeMstar every 9 months. Most recently, Engineering Survey Calculator was updated on November 1, 2026 and MeMstar on October 27, 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.*