# iTorsion vs Strab Tables

The clearest difference is update cadence: iTorsion at every 3 months against Strab Tables's every 14 months. iTorsion also leads on device support (3 vs 1) and iOS requirement (10.3 vs 17.0). 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 iTorsion against 5.0 for Strab Tables. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

iTorsion ships an update every 3 months, Strab Tables every 14 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iTorsion | Strab Tables |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/itorsion/id1358552637/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/strab-tables/id6689493770/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Free | Free |
| Size | 17 MB | 2 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Regents of the University of Minnesota](https://appshunter.io/developer/455216626) | [Patrick Burke](https://appshunter.io/developer/1768678537) |

## What reviewers say

### iTorsion

[App page](https://appshunter.io/ios/app/itorsion/id1358552637)

This medical app simplifies diagnosing ocular torsion using just a smartphone and red/green glasses. It offers greater precision than traditional methods, providing extorsion and intorsion measurements for each eye after a patient test.

**Highlights:** Ocular torsion diagnosis, Smartphone-based testing, Red/green glasses compatibility, Precise measurement, Extorsion and intorsion calculation, Customizable color values

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

**In-app purchases:** none


### Strab Tables

[App page](https://appshunter.io/ios/app/strab-tables/id6689493770)

Create, customize, and share surgical dosing tables for strabismus procedures. Supports esotropia, exotropia, vertical deviations, and other custom surgical types. Facilitates easy information sharing among medical professionals and trainees.

**Highlights:** Customizable surgical dosing tables, Support for esotropia, exotropia, and vertical deviations, Create tables for custom procedures, Share tables with colleagues, Information sharing for trainees

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iTorsion free?

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

### Is Strab Tables free?

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

### Which has better reviews, iTorsion or Strab Tables?

iTorsion and Strab Tables are both rated 5.0 out of 5 on the App Store, from 6 and 4 ratings respectively.

### Do iTorsion or Strab Tables have ads?

Neither iTorsion nor Strab Tables shows ads.

### Which is updated more often, iTorsion or Strab Tables?

iTorsion ships an update every 3 months, and Strab Tables every 14 months. Most recently, iTorsion was updated on October 12, 2026 and Strab Tables on October 2, 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.*