# PTI Transformer vs AI PDF Reader

The clearest difference is in-app purchases: PTI Transformer at none against AI PDF Reader's 2. PTI Transformer also leads on iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. AI PDF Reader sells 2 in-app purchases, starting at $6.99 per 7 days. PTI Transformer asks for nothing beyond the download.

## The numbers

| Metric | PTI Transformer | AI PDF Reader |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | — |
| Size | 3 MB | 58 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) | [CodeCross](https://appshunter.io/developer/1660793254) |

## 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


### AI PDF Reader

[App page](https://appshunter.io/ios/app/ai-pdf-reader-chat-and-ask/id6761198287)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access to AI PDF Reader | $6.99 | per 7 days |
| Unlimited Access to AI PDF Reader | $19.99 | per month |


## Frequently asked questions

### Is PTI Transformer free?

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

### Is AI PDF Reader free?

AI PDF Reader is free to download, with in-app purchases available.

### Do PTI Transformer or AI PDF Reader have ads?

Neither PTI Transformer nor AI PDF Reader shows ads.

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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.*