# BSE TTE Echo vs EF

The clearest difference is in-app purchases: BSE TTE Echo at none against EF's 8. BSE TTE Echo also leads on iOS requirement (8.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. EF sells 8 in-app purchases, starting at $1.99 per month. BSE TTE Echo asks for nothing beyond the download.

## The numbers

| Metric | BSE TTE Echo | EF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Free | — |
| Size | 2 MB | 199 MB |
| Requires iOS | **8.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Dolphin Medical Ltd](https://appshunter.io/developer/407552995) | [Kenneth Guber, M.D. LLC](https://appshunter.io/developer/1860110576) |

## What reviewers say

### BSE TTE Echo

[App page](https://appshunter.io/ios/app/bse-tte-echo/id1114602388)

Prepare for your accreditation exam with a comprehensive question bank. This app offers offline access to over 100 multiple-choice questions covering all exam categories. Track your progress with scoring and reset questions for unlimited practice.

**Highlights:** Over 100 MCQs, Offline access, Progress tracking, Unlimited practice, Intuitive UI, Swipe between question/answer

**Features:** macOS Compatibility

**In-app purchases:** none


### EF

[App page](https://appshunter.io/ios/app/ef-ortless-echo-trainer/id6758357075)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo+ Monthly | $1.99 | per month |
| Echo Pro Monthly | $2.99 | per month |
| Intern's Stash | $0.99 | one-time |
| Exam Cram Pass | $0.99 | one-time |
| Ischemia Detector | $0.99 | one-time |
| Right Heart Warrior | $0.99 | one-time |
| Fellow's Wallet | $2.99 | one-time |
| Attending's Vault | $9.99 | one-time |


## Frequently asked questions

### Is BSE TTE Echo free?

BSE TTE Echo is free to download, with no in-app purchases.

### Is EF free?

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

### Do BSE TTE Echo or EF have ads?

Neither BSE TTE Echo nor EF 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.*