# Construction Calc Lite vs Phase Calc

The clearest difference is review sentiment: Phase Calc at 100% against Construction Calc Lite's 54%. Phase Calc also leads on ads (none vs shown) and rating (5.0 vs 4.6). Construction Calc Lite's advantage is price (Free vs $1.99) and ratings volume (136 vs 4). On update cadence, in-app purchases and device support there is nothing between them.

Construction Calc Lite is free to download; Phase Calc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Phase Calc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Construction Calc Lite has 136 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 54% of Construction Calc Lite's written reviews are positive against 100% of Phase Calc's.

Construction Calc Lite ships an update every 2 months, Phase Calc every 6 weeks. The most recent releases landed on September 26, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Construction Calc Lite | Phase Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (136 ratings)](https://appshunter.io/ios/app/construction-calc-lite/id380648615/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/phase-calc/id837266300/reviews)** |
| Number of ratings | **136** | 4 |
| Positive reviews | 53.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Paid |
| Size | 31 MB | 13 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [Donnie Herman](https://appshunter.io/developer/837266303) |

## What reviewers say

### Construction Calc Lite

[App page](https://appshunter.io/ios/app/construction-calc-lite/id380648615)

A specialized calculator for construction professionals and anyone working with measurements in feet and inches. Perform complex calculations, scale drawings, and determine angles and material quantities with ease. Features include fractional inch support, history recall, and customizable rounding.

**Highlights:** Feet, inch, and fractional inch calculations, Drawing scaling, Miter and triangle angle calculations, Material quantity and cost estimation, Fraction reduction, History list for value reuse, Customizable rounding precision

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

**In-app purchases:** none


### Phase Calc

[App page](https://appshunter.io/ios/app/phase-calc/id837266300)

This advanced engineering app performs complex electrical calculations for three-phase power systems. It offers tools for students, technicians, and engineers to analyze unbalanced systems, perform sequence transformations, and access reference libraries. Results can be easily exported for documentation and sharing.

**Highlights:** Symmetrical component analysis, Three-phase power system calculations, Phase-to-sequence and sequence-to-phase transformations, Polar and rectangular input support, Specialized calculators and reference libraries, Exportable results for documentation

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

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calc Lite free?

Construction Calc Lite is free to download, with no in-app purchases.

### Is Phase Calc free?

Phase Calc costs $1.99, with no in-app purchases.

### Which has better reviews, Construction Calc Lite or Phase Calc?

Phase Calc is rated higher. Construction Calc Lite averages 4.6 out of 5 from 136 ratings, while Phase Calc averages 5.0 from 4 ratings.

### Do Construction Calc Lite or Phase Calc have ads?

Construction Calc Lite shows ads; Phase Calc does not.

### Which is updated more often, Construction Calc Lite or Phase Calc?

Construction Calc Lite ships an update every 2 months, and Phase Calc every 6 weeks. Most recently, Construction Calc Lite was updated on September 26, 2026 and Phase Calc on August 1, 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.*