# Engineering Survey Calculator vs LiPlan

The clearest difference is price: LiPlan at Free against Engineering Survey Calculator's $2.99. LiPlan also leads on update cadence (monthly vs every 24 months) and iOS requirement (11.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

LiPlan 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, LiPlan monthly. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Engineering Survey Calculator | LiPlan |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Paid | — |
| Size | 6 MB | 104 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [greenvalley](https://appshunter.io/developer/1435120750) |

## 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


### LiPlan

[App page](https://appshunter.io/ios/app/liplan/id1446718234)

**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 LiPlan free?

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

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

Neither Engineering Survey Calculator nor LiPlan shows ads.

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

Engineering Survey Calculator ships an update every 24 months, and LiPlan monthly. Most recently, Engineering Survey Calculator was updated on October 12, 2026 and LiPlan on October 16, 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.*