# Phase Calc vs Vector Calculator Plus

The clearest difference is review sentiment: Phase Calc at 100% against Vector Calculator Plus's 0%. Phase Calc also leads on rating (5.0 vs 2.5) and update cadence (every 6 weeks vs every 43 months). Vector Calculator Plus's advantage is iOS requirement (13 vs 17.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Phase Calc costs $1.99 and Vector Calculator Plus $2.99 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 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 100% of Phase Calc's written reviews are positive against 0% of Vector Calculator Plus's.

Phase Calc ships an update every 6 weeks, Vector Calculator Plus every 43 months. The most recent releases landed on August 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Phase Calc | Vector Calculator Plus |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/phase-calc/id837266300/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 43 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 1 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Donnie Herman](https://appshunter.io/developer/837266303) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### 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


### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

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

**In-app purchases:** none


## Frequently asked questions

### Is Phase Calc free?

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

### Is Vector Calculator Plus free?

Vector Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Phase Calc or Vector Calculator Plus?

Phase Calc is rated higher. Phase Calc averages 5.0 out of 5 from 4 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do Phase Calc or Vector Calculator Plus have ads?

Neither Phase Calc nor Vector Calculator Plus shows ads.

### Which is updated more often, Phase Calc or Vector Calculator Plus?

Phase Calc ships an update every 6 weeks, and Vector Calculator Plus every 43 months. Most recently, Phase Calc was updated on August 1, 2026 and Vector Calculator Plus on September 25, 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.*