MedCalX vs CMS1600
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MedCalX
This medical calculator app provides healthcare professionals with a comprehensive tool for complex medical formulas, scores, and classifications. It offers an extensive library of over 300 medical calculations, patient management features, and sharing capabilities.
- Extensive medical formula library (300+)
- Patient management and data saving
- Customizable workflows
- Multiple result sharing options
- Detailed information and references
- US and SI unit support
- iCloud synchronization for favorites
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MedCalX is a tool that enables medical professionals to easily use complicated medical formulas, scores and classifications. 25 years of experience developing this tool for mobile platforms makes MedCalX the leading medical calculator, with an unparalleled user interface and powerful features. MedCalX is free to download and use, but you have access only to a subset of formulas. In-app purchase lets you unlock the whole range of formulas that MedCalX has to offer; more than 300 in total! Main features: • A very large selection (more than 300) of relevant formulas, scores, scales and classifications. • Workflows: create your own series of formulas, text, links and images • Many different ways to share results (and data): copy to clipboard, email report, print via AirPrint, save to patient database... • Exclusive patient management feature for saving and accessing results, as well as images and notes. Results can be exported to the desktop as CSV files and shared between your and your colleaugues iOS devices. • Detailed information and bibliographic references for each formula. • Support for US and SI units, with easy switching from the keypad. • Search for entries by name, keywords and categories. • Takes advantage of iOS 9 – you can now use Spotlight to search for formulas • Customizable list of favorite equations, synchronized via iCloud. • Ability to add notes to individual formulas. • Full support for external (hardware) keyboards Formulas, scores and classifications include, amongst others: • Anesthesiology (ASA, Bromage, Charlson, Cormack, Dermatome, Goldman) • Cardiology (CC/AHA ASCVD, CHADS, EuroSCORE, GRACE, HAS-BLED, Killip, PROCAM, QT-c, TIMI) • Electrolytes (Corrected Ca, Corrected Na, FENa, Osmolal gap) • Evidence-Based Medicine (NNT, Odds, Sample size, Two-way table) • ICU (ABCD2+3, APACHE, CAM-ICU, GCS, Parkland, SAPS, many PE-criteria and trauma scores) • Neurology (AMTS, Aphasia, Canadian rules, NIHSS, WFNS) • Obstetrics (APGAR, Bishop, Malinas, Pregnancy Wheel) • Pediatrics (Age, Target Height, Centor and McIsaac, PRAM, WETFAG) • Respiratory (BODE, Epworth, GOLD, SMART-COP, Spirometry, Thoracoscore) • Renal (Cockcroft, MDRD and more Creatinine/GFR calculators, KDIGO and RIFLE) • ABG analyzer worth $5 in other apps • Complete infusion management tool, great for ICU nurses • Complicated scores (CAM-ICU, CDAI, APACHE, POSSUM, SAPS, Euroscore) If you like MedCalX, we’d appreciate it if you took the time to give us a nice review.
CMS1600
This advanced wireless ultrasound imaging system provides real-time, clear color ultrasound images across multiple work modes. It supports a wide range of examinations and includes powerful image processing and patient management features. Connect wirelessly for greater freedom of use.
- Multiple work modes (B, CDFI, M, PW)
- Supports various examinations (abdominal, OB/GYN, vascular, cardiac)
- Powerful image processing and optimization
- Image and video annotation, saving, and DICOM storage
- Patient management system
- Wireless WiFi connectivity
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先进的无线超声成像系统,需配合专用的彩色多普勒超声诊断设备使用。 ----------特点---------- 1、B、CDFI、M、PW、穿刺引导等多种工作模式可选,实时清晰的彩色超声图像表现。 2、支持腹部、妇科、产科、泌尿系、血管、肌骨、小器官、心脏等检查,具有可满足临床诊断需求的测量功能及软件包。 3、强大的图像处理能力,独有的图像优化功能。 4、可注释、保存图像和视频,存储DICOM文件,具有电影回放功能。 5、具有患者管理系统,可新建/编辑患者信息。 6、通过WiFi连接显示终端,没有探头线的羁绊,使用更加自由。 【免责声明】 用户使用App在做出任何医疗决定之前,应该先咨询医生的建议。 健康咨询类回答只作为健康咨询类的建议供用户参考,但不作为诊断、确诊和治疗依据也不做为任何享有法律效力的书面证明文件。若用户以此作为诊断和治疗依据,由此引发的任何负面影响甚至损失由提问者自行负责,平台不予负责。 【管辖权声明】 我们在中国对本App进行控制和运营。App所连接的硬件设备仅在中国具有使用许可证。 我们并未对本App上的任何材料在任何其他地方的适用性做出任何声明。如果您选择从其他地方访问本App,则您有责任遵守当地的适用法律。
Screenshots
Verdict
The clearest difference is review sentiment: CMS1600 at 100% against MedCalX's 46%. CMS1600 also leads on rating (4.5 vs 3.7) and in-app purchases (none vs 3). MedCalX's advantage is ratings volume (30 vs 2). On price, update cadence, 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. MedCalX sells 3 one-off in-app purchases. CMS1600 asks for nothing beyond the download.
CMS1600 holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: MedCalX has 30 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 46% of MedCalX's written reviews are positive against 100% of CMS1600's.
MedCalX ships an update every 5 months, CMS1600 every 6 months. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.
| Parameter | MedCalX | CMS1600 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (30 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | 45.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 30 — better | 2 |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 7 MB |
| Age rating | 17+ | 17+ |
| Developer | Ossus GmbH | Contec Medical Systems Co., Ltd. |
Customer experience
MedCalX
CMS1600
Bugs and requests
MedCalX
Reported bugs
10 issues- App crashes on startup
- App crashes when taking patient photos
- App fails to open or becomes unresponsive
- Unable to restore previous purchases
- Doximity unlock feature not working
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- Spotlight search functionality broken
- NIH scale interface poorly designed
- Parameter value limits prevent calculations for severe patients
- Data migration issues between app versions
- Preferences not carried over during upgrades
Requested features
17 requests- SCORE2 and other modern cardiovascular risk scores
- TRiP(cast) score
- Valve disease calculations
- Pediatric medication dosing calculators
- Electrolyte and fluid replacement calculations
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- ICU-specific calculations and AHI calculation
- GUPTA, AWOL, and CAM traditional scores
- Dermatology scales and classifications
- RESP and PRESET scores
- Psychological assessment scores (depression, alcoholism ratings)
- Gail model and cancer risk calculations
- Pediatric weight percentiles by age
- Custom formula creation
- Unit conversion tool
- Personal formula addition feature
- Forrester classification
- MMSE and other copyrighted scales
CMS1600
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MedCalX
- MedCalc 3 UpgradeFree
- Doximity RegistrationFree
- MedCalX Unlock$4.99
CMS1600
No in-app purchases









