SonoSim vs Tel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SonoSim
This app provides members with quick access to ultrasound education, imaging protocols, and reference guides, usable both online and offline. It features a library of courses, concise summaries of key concepts, and helpful tips for bedside use.
- Access to 80+ peer-reviewed courses
- Concise key concept summaries
- Bedside reference guides
- Offline access to content
- Case-based ultrasound education
Read full descriptionHide full description
The SonoSim App, available exclusively to SonoSim members, provides access to critical ultrasound knowledge quickly - both on- and offline. Get access to ultrasound education, imaging protocols, and sonographic reference guides, whether learning at home or needing a quick refresher at the bedside. Join over 120,000 members of the patented SonoSim Ecosystem of Case-Based Ultrasound Education, the easiest way to learn & teach ultrasonography (TM). SonoSim Course Library - Access 80+ peer-reviewed SonoSim Courses by leading ultrasound experts and educators. Key Concepts - Short on time or need a quick refresher on an ultrasound topic? Access concise summaries that highlight key elements of SonoSim Courses. Bedside Reference – Need ultrasound tips at the bedside? Quickly find helpful hints and key imaging criteria.
Tel
This iPad application complements a web-based EHR and practice management system for dermatology. It offers intuitive use, offline capabilities, and built-in billing expertise for dermatologists.
- Native iPad compliment to web application
- Intuitive and easy to use
- No setup required
- Complete dermatology knowledge base
- Smart learning and customizable
- Offline work capability
- Auto coder for billing
Read full descriptionHide full description
Please note that the Tel-eDerm requires a username and password into the eDerm Systems, LLC subscription based web application. eDerm is a leading EHR and practice management system empowering dermatology practices. Designed by dermatologists for dermatology. The Tel-eDerm is the native iPad compliment to the web application. Here are just a few of the eDermEHR iPad features: # Training in 1 Day, Intuitive and Easy to Use # No Setup Required, Complete Dermatology Knowledge Base # Smart Learning and Completely Customizable, Learns What You Do # Work Offline, No Waiting # Auto Coder, Billing Expertise Built-In
Screenshots
Verdict
The clearest difference is rating: Tel at 5.0 against SonoSim's 4.5. Tel also leads on ads (none vs shown) and monetization model (free vs ad-supported). SonoSim's advantage is ratings volume (8 vs 2) and device support (3 vs 1). On price, update cadence and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tel holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 2 respectively.
SonoSim ships an update every 2 months, Tel every 5 weeks. The most recent releases landed on September 7, 2026 and June 4, 2026 respectively.
| Parameter | SonoSim | Tel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 9.0 — better | 17.1 |
| Further details — not scored | ||
| Size | 22 MB | 171 MB |
| Age rating | 12+ | 12+ |
| Developer | SonoSim, Inc. | eDerm Systems LLC |
Customer experience
SonoSim
Tel
In-app purchases
SonoSim
No in-app purchases
Tel
No in-app purchases








