IEMBase vs iTEM
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
IEMBase
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IEMbase is a tool to help physicians in the interpretation of clinical and biochemical data of inborn errors of metabolism (IEMs). In addition to using this app and before making any medical decisions, the users should seek a doctorβs advice. There are currently 1,596 disorder entries, 3,679 biochemical or clinical phenotype entries, and 9,679 disorder-phenotype association entries in the database. IEMbase features: Easy browsing through IEMs; Simple search for any IEM or term; Mini-expert system to search for a combination of clinical symptoms and biochemical markers and their deviations; Biochemical tests panel; Gene panel; Age-related clinical symptoms; Age-related biochemical markers; Disease and Gene information. The editors and authors of IEMbase have made every effort to ensure that all information in this database is in accordance with the state of knowledge at the time of production. Nevertheless, the authors and editors are not responsible for errors or omissions or for the specific content of the database. Especially, we cannot guarantee the accuracy of data contained in this database. Every user should carefully examine the patient and laboratory data and should carefully check whether the information differ from statements made in the database. Medical Disclaimer The content of this website is provided as an information source for clinician and scientists only, and is not intended as, nor should it be considered a substitute for, professional medical advice. If you have or suspect you have a medical problem, promptly contact your professional healthcare provider. Usage of Content Unless noted otherwise, all information contained on this website, such as text, graphics, logos, icons and images are copyrighted by and property of IEMbase, and may not be copied, altered, stored or otherwise used in whole or part without the express consent of IEMbase. The user may make one copy of the content of any page of this website for personal and noncommercial use which does not harm the reputation of IEMbase, provided the user does not remove any trademarks or copyrights, and does not alter content. Third Party Sites IEMbase has provided links to non-commercial Internet sites maintained by third parties, over which IEMbase has no control. IEMbase and its service providers do not endorse the content, operators, products or services of such sites, and is not responsible or liable for the services or other materials on or available from such sites. IEMbase shall not be liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with use of or reliance on any such content, or products or services available on or through such sites. Disclaimer of Warranty IEMbase makes no warranties of any kind regarding, but not limited to, the accuracy, completeness, timeliness or reliability of this website's content. Some information herein may cite the use of a product in a dosage, for an indication, or in a manner other than that recommended in the product labeling. Accordingly, any product's official prescribing information should be consulted before any such product is used. Limitation of Liability You agree to hold harmless IEMbase, its affiliates and their officers, directors, employees and volunteers from all claims relating to this website and any website to which it is linked.
iTEM
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The iTEM app is designed specifically for health professionals to enhance their knowledge and understanding of Rotational Thromboelastometry (ROTEM). This app is an educational tool, providing a training module covering the fundamental principles of thromboelastometry, ROTEM assays, and parameters. With this module, healthcare practitioners can access detailed information on interpreting ROTEM traces, enabling them to make informed clinical decisions. In addition to the training module, the iTEM app offers an algorithm module, which is slated to be released in the near future.
Screenshots
Verdict
The clearest difference is iOS requirement: IEMBase at 11.0 against iTEM's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IEMBase ships an update every 8 months, iTEM every 5 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.
| Parameter | IEMBase | iTEM |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 5 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 42 MB | 22 MB |
| Age rating | 17+ | 12+ |
| Developer | Nenad Blau | JR Analytics Pty Ltd |
In-app purchases
IEMBase
No in-app purchases
iTEM
No in-app purchases








