# Pocket MRS vs Optoelectronics

The clearest difference is in-app purchases: Pocket MRS at none against Optoelectronics's 6. Pocket MRS also leads on iOS requirement (14.2 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Optoelectronics sells 6 in-app purchases, starting at $9.99 per month. Pocket MRS asks for nothing beyond the download.

## The numbers

| Metric | Pocket MRS | Optoelectronics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pocket-mrs/id1538243012/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | Free | — |
| Size | 111 MB | 24 MB |
| Requires iOS | **14.2** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Columbia University](https://appshunter.io/developer/405514802) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Pocket MRS

[App page](https://appshunter.io/ios/app/pocket-mrs/id1538243012)

This app provides a quick reference and educational tool for in vivo magnetic resonance spectroscopy (MRS). It offers simulated human brain spectra and analysis, allowing users to visualize the impact of experimental conditions on spectral appearance.

**Highlights:** Simulated human brain spectra, Detailed spectral analysis, Manipulation of echo time, Visualization of experimental conditions, Quick digital reference, Educational tool for MRS

**Features:** macOS Compatibility

**In-app purchases:** none


### Optoelectronics

[App page](https://appshunter.io/ios/app/optoelectronics/id6739937611)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Pocket MRS free?

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

### Is Optoelectronics free?

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

### Do Pocket MRS or Optoelectronics have ads?

Neither Pocket MRS nor Optoelectronics 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.*