# Ferri's Best Test - Lab Guide — Over 400+ tests & labs. > Medical reference for lab tests, imaging, and disease diagnostics. (iPhone/iPad app by Skyscape Medpresso Inc.) - Source: https://appshunter.io/ios/app/ferris-best-test-lab-guide/id1243450037 (this page in markdown: same URL + `.md`) - Developer: [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) - Category: Medical, Education - Price: Free with in-app purchases - Rating: 4.80/5 from 25 App Store ratings - Age rating: 17+ - Requires: iOS 13.0 · 149 MB - Languages: American English - Released: 2017-06-15 - Data updated: 2026-06-01 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/ferris-best-test-lab-guide/id1243450037/reviews.md ## What is Ferri's Best Test? "Try before you buy" - Download the FREE App, which includes sample content. An in-App purchase is required to unlock all content. Based on 4th print ed. Guidance on radio-logic & laboratory approaches. Over 400+ tests & labs. 230+ common diseases. Interactive flowcharts. IU units for all tests. Practical and concise, go-to reference for up-to-date clinical material on today's diagnostic testing and laboratory tests. Three convenient sections provide quick access to key information on clinical laboratory testing, diagnostic imaging, and diagnostic algorithms. Experienced author Dr. Fred Ferri uses a unique, easy-to-follow format to simplify complex information and help you choose the best test to supplement your clinical diagnostic skills. New to this Edition * Features a new appendix on when to use contrast agents in ordering CT and MRI scans. * Discusses new modalities including transient elastography (Fibroscan), CT enterography and CT enteroclysis. * Provides new comparison tables to easily evaluate the best test; new algorithms for evaluation of immunodeficiency and hematochezia; and new tables and illustrations throughout to improve your test selection. Key Features * Includes both lab and imaging tests for concise, convenient access to all diagnostic test options for more than 200 common diseases and disorders. * Includes essential information on indications, advantages, disadvantages, approximate costs, normal ranges, typical abnormalities, likeliest causes, and more. No internet connection is required to access the content after the initial download. Find information quickly using powerful SmartSearch technology. Search part of term for those hard to spell medical terms. Content licensed from printed ISBN 10: 0323511406 Content licensed from printed ISBN 13: 9780323511407 If you have any questions or comments, email us any time: customersupport@skyscape.com or call 508-299-30000 Privacy Policy-https://www.skyscape.com/terms-of-service/privacypolicy.aspx Terms and Conditions-https://www.skyscape.com/terms-of-service/licenseagreement.aspx Editor(s): Fred F. Ferri, MD, FACP Publisher: Mosby | Elsevier, Inc. ## Key features - Over 400+ tests and labs - Guidance on radio-logic & laboratory approaches - 230+ common diseases - Interactive flowcharts - IU units for all tests - SmartSearch technology ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Ferri's Best Test - Lab & Diag | $40.99 | one-time | ## Frequently asked questions about Ferri's Best Test ### Does Ferri's Best Test have ads? Yes, Ferri's Best Test contains advertisements. It offers a free download with sample content and requires an in-app purchase to unlock all features. ### What is the cost of Ferri's Best Test? The app is free to download and includes sample content. A one-time in-app purchase is required to unlock all content. ### What devices support Ferri's Best Test? Ferri's Best Test is supported on iPhone, iPad, and iPod devices. ### How often is Ferri's Best Test updated? The app was last updated on December 31, 2025, indicating regular updates to its content and features. ### What is the age rating for Ferri's Best Test? Ferri's Best Test has an age rating of 17+, suggesting it is intended for mature audiences due to its medical content. ### Can I use Ferri's Best Test offline? Yes, no internet connection is required to access the content after the initial download, making it convenient for offline use. ### What new features were added in the latest edition of Ferri's Best Test? The latest edition includes a new appendix on contrast agents for CT and MRI, discusses new modalities like transient elastography, and provides new comparison tables and algorithms for test selection. ### What is the user sentiment for Ferri's Best Test? Ferri's Best Test has a high rating of 4.8 stars from 25 ratings, indicating positive user sentiment and satisfaction with the app's content and functionality. ## Version history (last 5 releases) ### 5.8.5 — 2025-12-31 - Minor Bug Fixes ### 5.8.0 — 2025-09-15 - Minor Bug Fixes ### 5.7.4 — 2025-06-24 - Minor Bug Fixes - UI-UX enhancements ### 4.4.1 — 2020-07-13 Fixes related to connecting to iTunes for in-app purchases in iOS version 13.4 and above ### 3.2.7 — 2018-06-07 - iPhone X support - UI/UX enhancement - Minor bug fixes ## Apps similar to Ferri's Best Test | App | Rating | Price | Category | | --- | --- | --- | --- | | [Guide to Diagnostic Tests](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424) | 4.6 (35) | Free | Medical | | [COPD Pocket Consultant Guide](https://appshunter.io/ios/app/copd-pocket-consultant-guide/id688671199) | 5.0 (11) | Free | Medical | | [Diseases & Disorders](https://appshunter.io/ios/app/diseases-and-disorders/id1005059571) | 4.7 (21) | Free | Medical | | [The 5-Minute Pediatric Consult](https://appshunter.io/ios/app/the-5-minute-pediatric-consult/id1004577272) | 4.9 (106) | Free | Medical | | [Family Practice Guidelines FNP](https://appshunter.io/ios/app/family-practice-guidelines-fnp/id1238332258) | 4.7 (588) | Free | Medical | | [Geriatrics At Your Fingertips](https://appshunter.io/ios/app/geriatrics-at-your-fingertips/id541103737) | 4.9 (298) | Free | Medical | ## More apps by Skyscape Medpresso Inc - [Skyscape Medical Library](https://appshunter.io/ios/app/skyscape-medical-library/id818609413) - [Snap Word](https://appshunter.io/ios/app/snap-word/id943487579) - [Skills Hub: Nursing Skills App](https://appshunter.io/ios/app/skills-hub-nursing-skills-app/id967004018) - [Skyscape FlashDrive](https://appshunter.io/ios/app/skyscape-flashdrive/id973528652) - [Buzz: Secure Medical Messenger](https://appshunter.io/ios/app/buzz-secure-medical-messenger/id1035921342) - [5 Minute Clinical Consult 5MCC](https://appshunter.io/ios/app/5-minute-clinical-consult-5mcc/id1066779582) All apps by Skyscape Medpresso Inc: https://appshunter.io/developer/818609416 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*