# Transformer Calculator Plus vs Vector Calculator Plus

The clearest difference is rating: Transformer Calculator Plus at 3.3 against Vector Calculator Plus's 2.5. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Transformer Calculator Plus costs $2.99 and Vector Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Transformer Calculator Plus holds the better App Store score, 3.3 against 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Transformer Calculator Plus ships an update every 45 months, Vector Calculator Plus every 43 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Transformer Calculator Plus | Vector Calculator Plus |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/transformer-calculator-plus/id1372528401/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 43 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 13.0 | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Transformer Calculator Plus

[App page](https://appshunter.io/ios/app/transformer-calculator-plus/id1372528401)

This utility app calculates key parameters for transformers, including voltage, current, and turns ratio. It helps determine if a transformer is step-up or step-down, essential for power conversion applications.

**Highlights:** Calculate primary and secondary voltage, Calculate primary and secondary current, Calculate transformer turns ratio, Determine step-up or step-down transformer, Supports AC voltage calculations

**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 Transformer Calculator Plus free?

Transformer Calculator Plus costs $2.99, 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, Transformer Calculator Plus or Vector Calculator Plus?

Transformer Calculator Plus is rated higher. Transformer Calculator Plus averages 3.3 out of 5 from 4 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do Transformer Calculator Plus or Vector Calculator Plus have ads?

Neither Transformer Calculator Plus nor Vector Calculator Plus shows ads.

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

Transformer Calculator Plus ships an update every 45 months, and Vector Calculator Plus every 43 months. Most recently, Transformer Calculator Plus was updated on September 10, 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.*