Guide to Diagnostic Tests vs cessa
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
cessa
This app serves as a medication reminder for participants in a specific clinical trial. It helps users manage their dosage schedule by allowing them to set reminders and log when they take their medication over a 28-day period.
- Medication reminders
- Dosage logging
- 28-day study tracking
- Clinical trial participation support
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The cessa app is designed as a medication reminder to help subjects participating in the cessa clinical trial keep track of their medication regimen. The application allows users to set reminders and record when they take their medication throughout the 28-day study.
Screenshots
Verdict
The clearest difference is rating: Guide to Diagnostic Tests at 4.6 against cessa's 3.0. Guide to Diagnostic Tests also leads on ratings volume (35 vs 2) and chart position (#196 vs unranked). cessa's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 10 months). On price, ads 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. cessa asks for nothing beyond the download.
Guide to Diagnostic Tests holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Guide to Diagnostic Tests has 35 ratings behind it against 2, so its average is the more settled of the two.
Guide to Diagnostic Tests ships an update every 10 months, cessa every 4 months. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.
| Parameter | Guide to Diagnostic Tests | cessa |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (35 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 35 — better | 2 |
| Update frequency | Every 10 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #196 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 10 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Unbound Medicine, Inc. | Cristcot INC. |
Customer experience
Guide to Diagnostic Tests
cessa
In-app purchases
Guide to Diagnostic Tests
- Pocket Guide to Diagnostic Tests$54.99
cessa
No in-app purchases
Questions
Is Guide to Diagnostic Tests free?
Is cessa free?
Which has better reviews, Guide to Diagnostic Tests or cessa?
Do Guide to Diagnostic Tests or cessa have ads?
Which is updated more often, Guide to Diagnostic Tests or cessa?
Other comparisons
