# EF vs ARDMS SPI Exam Prep Test 2026

The clearest difference is update cadence: EF at every 3 days against ARDMS SPI Exam Prep Test 2026's every 2 months. On price, ads, in-app purchases 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 and ARDMS SPI Exam Prep Test 2026 sells 5 in-app purchases, starting at $10.99 per 7 days. Whichever you choose, the download price is not the number that matters.

EF ships an update every 3 days, ARDMS SPI Exam Prep Test 2026 every 2 months. The most recent releases landed on September 18, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | EF | ARDMS SPI Exam Prep Test 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 199 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Kenneth Guber, M.D. LLC](https://appshunter.io/developer/1860110576) | [Yan Marinich](https://appshunter.io/developer/1875312295) |

## What reviewers say

### 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 |


### ARDMS SPI Exam Prep Test 2026

[App page](https://appshunter.io/ios/app/ardms-spi-exam-prep-test-2026/id6764144963)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium Full Access | $10.99 | per 7 days |
| 1 Month Premium Full Access | $19.99 | per month |
| 1 Month Premium Full Access | $29.99 | per month |
| 3 Month Premium Full Access | $36.99 | per 3 months |
| 3 Month Premium Full Access | $36.99 | per 3 months |


## Frequently asked questions

### Is EF free?

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

### Is ARDMS SPI Exam Prep Test 2026 free?

ARDMS SPI Exam Prep Test 2026 is free to download, with in-app purchases available.

### Do EF or ARDMS SPI Exam Prep Test 2026 have ads?

Neither EF nor ARDMS SPI Exam Prep Test 2026 shows ads.

### Which is updated more often, EF or ARDMS SPI Exam Prep Test 2026?

EF ships an update every 3 days, and ARDMS SPI Exam Prep Test 2026 every 2 months. Most recently, EF was updated on September 18, 2026 and ARDMS SPI Exam Prep Test 2026 on August 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*