# Computed Tomography vs TEE Pocket Guide

The clearest difference is update cadence: TEE Pocket Guide at every 2 months against Computed Tomography's every 12 months. Computed Tomography's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Computed Tomography ships an update every 12 months, TEE Pocket Guide every 2 months. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Computed Tomography | TEE Pocket Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Size | 67 MB | 168 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Carl Zeiss AG](https://appshunter.io/developer/488066215) | [Eltjo Haselhoff](https://appshunter.io/developer/1126280156) |

## What reviewers say

### Computed Tomography

[App page](https://appshunter.io/ios/app/computed-tomography/id1300055902)

**In-app purchases:** none


### TEE Pocket Guide

[App page](https://appshunter.io/ios/app/tee-pocket-guide/id6446813671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Computed Tomography free?

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

### Is TEE Pocket Guide free?

TEE Pocket Guide is free to download, with no in-app purchases.

### Do Computed Tomography or TEE Pocket Guide have ads?

Neither Computed Tomography nor TEE Pocket Guide shows ads.

### Which is updated more often, Computed Tomography or TEE Pocket Guide?

Computed Tomography ships an update every 12 months, and TEE Pocket Guide every 2 months. Most recently, Computed Tomography was updated on October 6, 2026 and TEE Pocket Guide on September 24, 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.*