# Engineering Survey Calculator vs Radius on Map +

The clearest difference is review sentiment: Radius on Map + at 71% against Engineering Survey Calculator's 0%. Radius on Map + also leads on update cadence (every 3 months vs every 24 months) and ratings volume (4 vs 1). Engineering Survey Calculator's advantage is rating (5.0 vs 3.3) and price ($2.99 vs $5.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Engineering Survey Calculator costs $2.99 and Radius on Map + $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Engineering Survey Calculator holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 0% of Engineering Survey Calculator's written reviews are positive against 71% of Radius on Map +'s, so the app with the better star average is not the one people write more warmly about.

Engineering Survey Calculator ships an update every 24 months, Radius on Map + every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Engineering Survey Calculator | Radius on Map + |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engineering-survey-calculator/id641965073/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/radius-on-map-plus-draw-circle/id991628560/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 6 MB | 5 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [TappiApps](https://appshunter.io/developer/549016746) |

## 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


### Radius on Map +

[App page](https://appshunter.io/ios/app/radius-on-map-plus-draw-circle/id991628560)

Create and share circular areas on a map with a unique URL. Supports various coordinate and distance units, and allows importing/exporting data in KML format. Ideal for planning and communication.

**Highlights:** Draw radius on map, Share radius via URL, Import/export KML files, Support for multiple coordinate formats, Support for various distance units, Customizable radius properties, No adverts

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Survey Calculator free?

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

### Is Radius on Map + free?

Radius on Map + costs $5.99, with no in-app purchases.

### Which has better reviews, Engineering Survey Calculator or Radius on Map +?

Engineering Survey Calculator is rated higher. Engineering Survey Calculator averages 5.0 out of 5 from 1 ratings, while Radius on Map + averages 3.3 from 4 ratings.

### Do Engineering Survey Calculator or Radius on Map + have ads?

Neither Engineering Survey Calculator nor Radius on Map + shows ads.

### Which is updated more often, Engineering Survey Calculator or Radius on Map +?

Engineering Survey Calculator ships an update every 24 months, and Radius on Map + every 3 months. Most recently, Engineering Survey Calculator was updated on September 18, 2026 and Radius on Map + 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.*