# BASIC vs OCTAID

The clearest difference is review sentiment: OCTAID at 75% against BASIC's 0%. OCTAID also leads on rating (5.0 vs 1.8). BASIC's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 2 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

OCTAID holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews point the same way: 0% of BASIC's written reviews are positive against 75% of OCTAID's.

BASIC ships an update every 4 weeks, OCTAID every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | BASIC | OCTAID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/basic-transthoracic-echocard/id1227603004/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/octaid/id1392661262/reviews)** |
| Number of ratings | 5 | **9** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 5 MB | 40 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) |

## What reviewers say

### BASIC

[App page](https://appshunter.io/ios/app/basic-transthoracic-echocard/id1227603004)

This app serves as an electronic course manual for registered participants of a specific echocardiography program. It provides essential information for those enrolled in The Beyond BASIC - Transthoracic Echocardiography course.

**Highlights:** Electronic course manual, Transthoracic Echocardiography content, Program-specific information, Registered participant access

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

**In-app purchases:** none


### OCTAID

[App page](https://appshunter.io/ios/app/octaid/id1392661262)

This educational tool teaches physicians about intra-coronary optical coherence tomography (OCT). It covers image analysis, plaque characteristics, pathology visualization, and stent optimization. Users gain confidence in interpreting OCT images with labeled examples and an interactive portal for practice.

**Highlights:** Intra-coronary OCT principles, OCT pullback image technique, Image analysis and plaque characteristics, Stent optimization guidance, Labeled images and explanations, Interactive knowledge testing portal

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BASIC free?

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

### Is OCTAID free?

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

### Which has better reviews, BASIC or OCTAID?

OCTAID is rated higher. BASIC averages 1.8 out of 5 from 5 ratings, while OCTAID averages 5.0 from 9 ratings.

### Do BASIC or OCTAID have ads?

OCTAID shows ads; BASIC does not.

### Which is updated more often, BASIC or OCTAID?

BASIC ships an update every 4 weeks, and OCTAID every 2 months. Most recently, BASIC was updated on November 2, 2026 and OCTAID on November 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.*