# Engineering Survey Calculator vs my16c

The clearest difference is price: my16c at Free against Engineering Survey Calculator's $2.99. my16c also leads on update cadence (fortnightly vs every 24 months). Engineering Survey Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 26.0). On review sentiment, ads and device support there is nothing between them.

my16c is free to download; Engineering Survey Calculator costs $2.99 up front. my16c sells 1 one-off in-app purchase. Engineering Survey Calculator asks for nothing beyond the download.

Engineering Survey Calculator ships an update every 24 months, my16c fortnightly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Engineering Survey Calculator | my16c |
| --- | --- | --- |
| 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 | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 9 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## 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


### my16c

[App page](https://appshunter.io/ios/app/my16c/id6762121583)

This app emulates a legendary programmer's calculator from the 1980s, offering cycle-accurate performance and faithful reproduction of its features. It includes base conversions, bit manipulation, RPN, and programmability, with modern conveniences like iCloud sync and a dark interface.

**Highlights:** Cycle-accurate emulation, Full base conversion (HEX, DEC, OCT, BIN), Bit operations, RPN entry, Programmable, Authentic LCD display, Word size control

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |


## Frequently asked questions

### Is Engineering Survey Calculator free?

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

### Is my16c free?

my16c is free to download, with in-app purchases available.

### Do Engineering Survey Calculator or my16c have ads?

Neither Engineering Survey Calculator nor my16c shows ads.

### Which is updated more often, Engineering Survey Calculator or my16c?

Engineering Survey Calculator ships an update every 24 months, and my16c fortnightly. Most recently, Engineering Survey Calculator was updated on November 4, 2026 and my16c on October 31, 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.*