# PTI Transformer vs Statistics Calculation

The clearest difference is update cadence: Statistics Calculation at fortnightly against PTI Transformer's every 11 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for PTI Transformer against 5.0 for Statistics Calculation. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PTI Transformer ships an update every 11 months, Statistics Calculation fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PTI Transformer | Statistics Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pti-transformer/id522826739/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/statistics-calculation/id6739030466/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 3 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Push Interactions, Inc.](https://appshunter.io/developer/357410200) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### PTI Transformer

[App page](https://appshunter.io/ios/app/pti-transformer/id522826739)

This app calculates electrical transformer performance metrics like current, voltage, efficiency, and regulation. It also offers SI/Metric conversions for various physical quantities and includes a tool for estimating ship dates based on order time.

**Highlights:** Transformer current, voltage, efficiency, and regulation calculation, SI/Metric unit conversions, Speed, force, power, area, pressure, volume, temperature, weights & measures conversions, Ship date estimation tool, Information about the developer

**Features:** macOS Compatibility

**In-app purchases:** none


### Statistics Calculation

[App page](https://appshunter.io/ios/app/statistics-calculation/id6739030466)

This free math application provides a comprehensive statistical calculator. It allows users to compute key statistical metrics, explore various statistical distributions, and generate frequency tables for sets of numbers. It's designed to aid students and educators in understanding statistics and probability.

**Highlights:** Calculate mean, median, variance, max, min, Explore Binomial, Normal, t, F, Exponential, Poisson, Chi-Squared distributions, Generate frequency tables, Supports comma-separated number input, Ideal for students and educators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PTI Transformer free?

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

### Is Statistics Calculation free?

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

### Which has better reviews, PTI Transformer or Statistics Calculation?

PTI Transformer and Statistics Calculation are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PTI Transformer or Statistics Calculation have ads?

Neither PTI Transformer nor Statistics Calculation shows ads.

### Which is updated more often, PTI Transformer or Statistics Calculation?

PTI Transformer ships an update every 11 months, and Statistics Calculation fortnightly. Most recently, PTI Transformer was updated on October 29, 2026 and Statistics Calculation on October 28, 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.*