# Tap OChem vs Pocket MRS

The clearest difference is price: Pocket MRS at Free against Tap OChem's $4.99. Pocket MRS also leads on rating (5.0 vs 4.7). Tap OChem's advantage is ratings volume (39 vs 3). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pocket MRS is free to download; Tap OChem costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pocket MRS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Tap OChem has 39 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Tap OChem | Pocket MRS |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (39 ratings)](https://appshunter.io/ios/app/tap-ochem/id579861146/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pocket-mrs/id1538243012/reviews)** |
| Number of ratings | **39** | 3 |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Paid | **Free** |
| Size | 3.5 GB | 111 MB |
| Requires iOS | **13.2** | 14.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tap OChem, LLC](https://appshunter.io/developer/579861209) | [Columbia University](https://appshunter.io/developer/405514802) |

## What reviewers say

### Tap OChem

[App page](https://appshunter.io/ios/app/tap-ochem/id579861146)

Visualize complex organic chemistry reactions and concepts with animated explanations. This app covers a wide range of undergraduate organic chemistry topics, aiding in exam preparation and understanding of molecular behavior.

**Highlights:** Animated organic chemistry reactions, Detailed concept explanations, Electron pushing diagrams, Full-color text descriptions, MCAT, PCAT, OAT, DAT prep, Regular content updates

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

**In-app purchases:** none


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tap OChem free?

Tap OChem costs $4.99, with no in-app purchases.

### Is Pocket MRS free?

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

### Which has better reviews, Tap OChem or Pocket MRS?

Pocket MRS is rated higher. Tap OChem averages 4.7 out of 5 from 39 ratings, while Pocket MRS averages 5.0 from 3 ratings.

### Do Tap OChem or Pocket MRS have ads?

Neither Tap OChem nor Pocket MRS 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.*