# Echo Calculate vs DICOMpocket

The clearest difference is price: Echo Calculate at Free against DICOMpocket's $1.99. DICOMpocket's advantage is in-app purchases (none vs 1) and update cadence (every 4 days vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

Echo Calculate is free to download; DICOMpocket costs $1.99 up front. Echo Calculate sells 1 one-off in-app purchase. DICOMpocket asks for nothing beyond the download.

Echo Calculate ships an update every 6 months, DICOMpocket every 4 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Echo Calculate | DICOMpocket |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dicompocket/id6764627571/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Paid |
| Size | 26 MB | 192 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gundogan Emre](https://appshunter.io/developer/1651146056) | [Young Ho Seo](https://appshunter.io/developer/1895855667) |

## What reviewers say

### Echo Calculate

[App page](https://appshunter.io/ios/app/echo-calculate/id1660468437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Calculate Premium | $3.99 | one-time |


### DICOMpocket

[App page](https://appshunter.io/ios/app/dicompocket/id6764627571)

View DICOM medical scan files directly on your device without needing an internet connection. Export scans as PNG or video, and extract/package ZIP files for easy sharing. Features 3D viewing and Multiplanar Reconstruction.

**Highlights:** Local DICOM file viewing, PNG and Video export, ZIP extraction and packaging, 3D Viewer, Multiplanar Reconstruction (MPR), Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Echo Calculate free?

Echo Calculate is free to download, with in-app purchases available.

### Is DICOMpocket free?

DICOMpocket costs $1.99, with no in-app purchases.

### Do Echo Calculate or DICOMpocket have ads?

Neither Echo Calculate nor DICOMpocket shows ads.

### Which is updated more often, Echo Calculate or DICOMpocket?

Echo Calculate ships an update every 6 months, and DICOMpocket every 4 days. Most recently, Echo Calculate was updated on October 3, 2026 and DICOMpocket 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.*