# EchoRef vs Prepry

EchoRef and Prepry both sit at 4.9 stars, but that hides the real split: 100% of EchoRef's written reviews are positive against 54% of Prepry's. EchoRef also leads on in-app purchases (none vs 9). Prepry's advantage is update cadence (every 5 days vs every 2 months) and chart position (#24 vs unranked). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Prepry sells 9 in-app purchases, starting at $49.99 per month. EchoRef asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for EchoRef against 4.8 for Prepry. Both are backed by a comparable volume of ratings — 1.4K and 3.9K respectively. Written reviews are what separate them: 100% of EchoRef's written reviews are positive against 54% of Prepry's.

EchoRef ships an update every 2 months, Prepry every 5 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | EchoRef | Prepry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/echoref/id1434016053/reviews)** | [4.8 (3.9K ratings)](https://appshunter.io/ios/app/prepry-ardms-and-cci-exam-prep/id1481825715/reviews) |
| Number of ratings | 1.4K | **3.9K** |
| Positive reviews | **100.0% of reviews** | 53.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#24** |
| Size | 104 MB | 169 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Rishi Kumar](https://appshunter.io/developer/1434016052) | [Imago AI LLC](https://appshunter.io/developer/1403879712) |

## What reviewers say

### EchoRef

[App page](https://appshunter.io/ios/app/echoref/id1434016053)

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

**Highlights:** Point-of-care ultrasound (POCUS), Transthoracic echocardiography (TTE), Transesophageal echocardiography (TEE), Cardiac dimensions and valve measurements, Hemodynamic and ultrasound calculations, Interventional procedure lessons

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

**In-app purchases:** none


### Prepry

[App page](https://appshunter.io/ios/app/prepry-ardms-and-cci-exam-prep/id1481825715)

**Currently charting:** #24 Top Grossing · Medical (US App Store)

Prepare for your ultrasound registry exams with a comprehensive study tool. Access a vast question bank, anatomy images, and expert-led video courses. Master key sonography topics and track your progress with smart study features.

**Highlights:** Massive question bank (5,600+ questions), Hundreds of anatomy images, Expert-led video courses, Spaced Repetition algorithm, Custom exam builder, Progress tracking and analysis, Offline study capability

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prepry Pro (1 Month) | $49.99 | per month |
| Prepry Pro (3 Months) | $149.00 | per 3 months |
| Prepry Premium Quarterly | $149.99 | per 3 months |
| Prepry Premium Annual | $199.99 | per year |
| Prepry Pro (3 Months) | $89.99 | one-time |
| Prepry Pro (6 Months) | $99.99 | one-time |
| Prepry Pro (1 Year) | $119.99 | one-time |
| Lifetime Subscription | $399.99 | one-time |
| Unlimited Access | $399.99 | one-time |

**What reviewers like**

- 🚀 Excellent study tool
- 👍 Convenient mobile app
- 🚀 Helpful for passing exams
- 👍 Great customer service
- 🚀 Detailed explanations

**What reviewers complain about**

- 🐛 Incorrect answers/explanations
- 🐛 Bugs and glitches
- 🐛 Login/app loading issues
- 🐛 Revoked subscriptions
- 🐛 Formatting issues on certain devices

**Reported bugs**

- App crashing/not loading
- Incorrect answer markings
- Progress not saving
- Repeated questions

**Requested features**

- More difficult questions to match actual exams
- Ability to filter/focus on specific topics
- Echocardiography exam preparation
- Ability to review/study past questions


## Frequently asked questions

### Is EchoRef free?

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

### Is Prepry free?

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

### Which has better reviews, EchoRef or Prepry?

EchoRef is rated higher. EchoRef averages 4.9 out of 5 from 1.4K ratings, while Prepry averages 4.8 from 3.9K ratings.

### Do EchoRef or Prepry have ads?

Neither EchoRef nor Prepry shows ads.

### Which is updated more often, EchoRef or Prepry?

EchoRef ships an update every 2 months, and Prepry every 5 days. Most recently, EchoRef was updated on October 25, 2026 and Prepry on October 26, 2026.

---

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