# Phase Calc vs Capacitor Calculator

The clearest difference is rating: Phase Calc at 5.0 against Capacitor Calculator's 3.8. Phase Calc also leads on update cadence (every 6 weeks vs every 29 months) and price ($1.99 vs $2.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Phase Calc costs $1.99 and Capacitor Calculator $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 3.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

Phase Calc ships an update every 6 weeks, Capacitor Calculator every 29 months. The most recent releases landed on August 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Phase Calc | Capacitor Calculator |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/phase-calc/id837266300/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/capacitor-calculator/id1366563133/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 29 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Donnie Herman](https://appshunter.io/developer/837266303) | [Nitrio](https://appshunter.io/developer/321121189) |

## 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


### Capacitor Calculator

[App page](https://appshunter.io/ios/app/capacitor-calculator/id1366563133)

This utility app calculates the time constant and energy stored in a capacitor. It helps understand the time-delay characteristics of electrical circuits when a voltage is applied.

**Highlights:** Calculate time constant (RC), Calculate energy stored (E), Input voltage, capacitance, and resistance, Understand capacitor charging/discharging, Analyze circuit time-delay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phase Calc free?

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

### Is Capacitor Calculator free?

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

### Which has better reviews, Phase Calc or Capacitor Calculator?

Phase Calc is rated higher. Phase Calc averages 5.0 out of 5 from 4 ratings, while Capacitor Calculator averages 3.8 from 4 ratings.

### Do Phase Calc or Capacitor Calculator have ads?

Neither Phase Calc nor Capacitor Calculator shows ads.

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

Phase Calc ships an update every 6 weeks, and Capacitor Calculator every 29 months. Most recently, Phase Calc was updated on August 1, 2026 and Capacitor Calculator on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*