# iRadTech ESP vs Goniotrans

The clearest difference is price: Goniotrans at Free against iRadTech ESP's $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Goniotrans is free to download; iRadTech ESP costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRadTech ESP ships an update every 24 months, Goniotrans every 39 months. The most recent releases landed on October 2, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | iRadTech ESP | Goniotrans |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/goniotrans/id595634397/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 39 months |
| Monetization | — | Free |
| Size | 95 MB | 3 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ballinger and Bruckner, LLP](https://appshunter.io/developer/692079862) | [Felipe Gordillo](https://appshunter.io/developer/595634400) |

## What reviewers say

### iRadTech ESP

[App page](https://appshunter.io/ios/app/iradtech-esp/id563141602)

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

**In-app purchases:** none


### Goniotrans

[App page](https://appshunter.io/ios/app/goniotrans/id595634397)

This medical tool helps visualize and measure angular positions of ocular structures on eye images. It overlays a protractor template to accurately mark reference points for surgical incisions or lens placement. Useful for ophthalmologists and eye care professionals.

**Highlights:** Angular measurement on eye images, Overlay protractor template, Mark reference points, Measure incision meridians, Assess lens stability

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

**In-app purchases:** none


## Frequently asked questions

### Is iRadTech ESP free?

iRadTech ESP costs $9.99, with no in-app purchases.

### Is Goniotrans free?

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

### Do iRadTech ESP or Goniotrans have ads?

Neither iRadTech ESP nor Goniotrans shows ads.

### Which is updated more often, iRadTech ESP or Goniotrans?

iRadTech ESP ships an update every 24 months, and Goniotrans every 39 months. Most recently, iRadTech ESP was updated on October 2, 2026 and Goniotrans on September 22, 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.*