Guide to Diagnostic Tests vs TDS Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guide to Diagnostic Tests
Access evidence-based information on over 450 diagnostic tests, including lab work, imaging, and therapeutic monitoring. This resource helps healthcare professionals quickly find answers to common questions about test selection, interpretation, and patient preparation.
- 450+ diagnostic tests
- Evidence-based recommendations
- Algorithms, tables, and charts
- PubMed links
- Custom notes and highlighting
- Full-text search
- Favorites for bookmarking
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ABOUT GUIDE TO DIAGNOSTIC TESTS Pocket Guide to Diagnostic Tests, provides immediate, evidence-based information on the selection and interpretation of commonly used laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring. Including more than 450 updated diagnostic tests, this mobile resource is ideal for answering questions encountered daily by physicians, nurses, students, and other healthcare professionals, such as: • Which test is best to diagnose or follow a patient’s condition? • What is the correct interpretation of an abnormal diagnostic test? • How do I collect the appropriate specimen or prepare the patient for testing? • Where can I find more information on this test in the medical literature? FEATURES • 450+ updated laboratory and diagnostic tests • Evidence-based recommendations • New and updated coverage of emerging and re-emerging pathogens and infectious agents • Extensive use of algorithms, tables, and charts • PubMed links directly to journal citations and available articles • Highlight and make custom notes within any entry • Full Text Search – find topics across from any entry • ‘Favorites’ for bookmarking important entries Editors: Diana Nicoll, MD, PhD, MPA; Chuanyi Mark Lu, MD; Stephen J. McPhee, MD Publisher: McGraw Hill Powered by: Unbound Medicine
TDS Mobile
Manage your Section 125 and HSA accounts, fund your HSA, and submit claims with receipts. View transaction details, alerts, and contact your administrator. Features include enhanced authentication, profile management, and card services.
- Section 125 account management
- HSA funding and claims submission
- Receipt uploads
- Transaction and alert viewing
- Administrator contact
- Card management and PIN viewing
- New user registration
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TDS Mobile provides the following functionality with its initial release: • Section 125 account balances and details • Ability to fund HSA account from checking/savings account • Upload Claims and Submit Receipts • Recent Transactions and Details • View all email and SMS alerts • Contact administrator from mobile application via email or mobile phone • Stronger Authentication support (Picture/Passphrase, device identification and Challenge questions) • View Profile Details • View Dependents • View Card Details • View Card PIN • Register new users directly from mobile device • Ability to edit billing address * • Ability to update billing address * • Ability to report card lost stolen * • Ability to order replacement card * • Ability to attach provider name to newly submitted claims * • Ability to pay provider directly from app * *Some features may be restricted by your administrator
Screenshots
Verdict
The clearest difference is rating: Guide to Diagnostic Tests at 4.6 against TDS Mobile's 2.2. Guide to Diagnostic Tests also leads on ads (none vs shown). TDS Mobile's advantage is in-app purchases (none vs 1) and update cadence (every 3 months vs every 9 months). On price, review sentiment, ratings volume and device support 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. Guide to Diagnostic Tests sells 1 one-off in-app purchase. TDS Mobile asks for nothing beyond the download.
Guide to Diagnostic Tests holds the better App Store score, 4.6 against 2.2. Both are backed by a comparable volume of ratings — 35 and 17 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Guide to Diagnostic Tests ships an update every 9 months, TDS Mobile every 3 months. Both last shipped on October 24, 2026.
| Parameter | Guide to Diagnostic Tests | TDS Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (35 ratings) — better | 2.2 (17 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 35 — better | 17 |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | Unbound Medicine, Inc. | The TDS Group, Inc |
Customer experience
Guide to Diagnostic Tests
TDS Mobile
In-app purchases
Guide to Diagnostic Tests
- Pocket Guide to Diagnostic Tests$54.99
TDS Mobile
No in-app purchases
Questions
Is Guide to Diagnostic Tests free?
Is TDS Mobile free?
Which has better reviews, Guide to Diagnostic Tests or TDS Mobile?
Do Guide to Diagnostic Tests or TDS Mobile have ads?
Which is updated more often, Guide to Diagnostic Tests or TDS Mobile?
Other comparisons
