# PTI Transformer vs Easy Mark Mobile

The clearest difference is iOS requirement: PTI Transformer at 12.0 against Easy Mark Mobile's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

PTI Transformer ships an update every 11 months, Easy Mark Mobile every 9 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PTI Transformer | Easy Mark Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pti-transformer/id522826739/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 months** |
| Monetization | Free | — |
| Size | 3 MB | 165 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Push Interactions, Inc.](https://appshunter.io/developer/357410200) | [Panduit Corp.](https://appshunter.io/developer/634155561) |

## 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


### Easy Mark Mobile

[App page](https://appshunter.io/ios/app/easy-mark-mobile/id6751293498)

**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 Easy Mark Mobile free?

Easy Mark Mobile is free to download, with no in-app purchases.

### Do PTI Transformer or Easy Mark Mobile have ads?

Neither PTI Transformer nor Easy Mark Mobile shows ads.

### Which is updated more often, PTI Transformer or Easy Mark Mobile?

PTI Transformer ships an update every 11 months, and Easy Mark Mobile every 9 months. Most recently, PTI Transformer was updated on October 14, 2026 and Easy Mark Mobile on October 13, 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.*