5.9
2026-05-19
Added: Global search function (magnifying glass in top right)
Added: LV thrombus POCUS case
Added: On-X mitral valve with stuck leaflet and mitral PVL plug 3D TEE videos
Added: Calculators for aortic pulsatility index (API) and Wilkins Score
Updated: Small user interface tweaks, codebase optimizations
5.8
2025-12-22
Added: Calculators for Aortic Valve Area (Continuity), Stroke Volume & CO (LVOT), E/e′ Ratio, RVSP Estimate, Bernoulli Gradient, A–a Gradient
Updated: Calculator descriptions
Updated: Restructured cardiac equations section
Updated: Ultrasound physics and hemodynamic equations
Updated: User interface fixes throughout the app
Updated: Matomo SDK to 7.8.0
5.7
2025-11-10
Added: Hemodynamic and ultrasound equations
Added: Highlighting text when searching
Added: Slide to favorite or unfavorite calculations
Added: iPad interface
Update: Reduced boilerplate code
Update: Fixed native mitral stenosis values
Update: Restructured changelog scheme
Update: More subtle liquid glass for references
5.6
2025-09-15
Updated: Complete re-write of the codebase to transition from Storyboard to SwiftUI
Updated: Conform elements to iOS 26's liquid glass user interface
5.5
2025-03-10
⁃ Added: Paravertebral nerve block video
⁃ Updated: Lossless compression of all media elements
⁃ Updated: Rewrote codebase to utilize single structured tuple-based arrays, eliminate unnecessary UI updates, streamline switch statements, etc.
- Overall, EchoTools' compressed binary size decreased from 208.8 MB (version 5.4) to 84 MB (version 5.5).
5.4
2024-06-08
⁃ Added: Dilated coronary sinus (PLSVC) TEE video
⁃ Updated: Matomo framework, consistency across strings
5.3
2024-02-18
⁃ Added: Navitor and Evolut-R TAVR valves
⁃ Added: Pulmonary velocity acceleration time (PVAT)
⁃ Added: Concentric LVH, aortic dissection flap fenestration, and quadricuspid aortic valve TEE videos
⁃ Updated: TAVR valve information
5.1
2023-10-12
⁃ Added: Proximal lower extremity DVT compression, left pleural effusion, and Tetralogy of Fallot POCUS videos
⁃ Added: Perceval sutureless aortic valve
⁃ Added: Edwards Mitris bioprosthetic mitral valve
⁃ Added: SVC collapsibility index
5.0
2023-06-06
- Added: 3D TEE mitral annular calcification (MAC), serratus plane block, spinal cord TEE, and type B dissection POCUS videos
⁃ Added: IVC distensibility index (DI)
⁃ Updated: IMH TEE video, D-Sign POCUS video, IVC POCUS video
4.9
2023-03-03
⁃ Added: Femoral vascular, gastric, apical long-axis, apical two-chamber, apical five-chamber, and suprasternal aortic arch POCUS videos
⁃ Updated: POCUS subcostal TTE video
4.8
2023-01-08
- Added: LV diastology image for IVRT
- Added: Libman-Sacks endocarditis TEE video
- Added: Lung point and “D-sign” POCUS videos
4.6
2022-10-24
⁃ Added: Medtronic Avalus aortic valve
⁃ Added: RVAD MCS TEE video
⁃ Added: Pecto-Intercostal Fascial Block (PIFB) video
⁃ Updated: Combined Links and Sources
4.5
2022-10-10
⁃ Added: Autosomal dominant polycystic kidney disease (ADPKD) POCUS video
⁃ Updated: Fixed AVPlayerViewController controls on videos
⁃ Updated: Standardized auto-layout constraints
⁃ Updated: Updated deprecated code for the in-app Review system
4.4
2022-09-27
⁃ Added: Prosthesis Evaluation section for Prosthetic Valves
⁃ Added: Matomo SDK Integration (removed Firebase)
⁃ Updated: Higher resolution icons with lossless compression
⁃ Updated: Popups for references
⁃ Updated: Transitioned from CocoaPods to Swift Package Manager
4.3
2020-08-15
⁃ Added: Pop-up framework containing references for prosthetic valve sections
⁃ Updated: Aortic, mitral, and tricuspid bioprosthetic valve information
4.2
2020-08-15
- Added: Ross procedure and intracardiac clot TEE videos
- Added: Right heart catheterization (RHC) video
- Added: Adductor canal peripheral nerve block video
- Updated: Coronary angiography section
- Updated: Standardized video sizes
- Updated: UIButton to UIImageView elements under the Anatomy tab
4.1
2020-08-15
⁃ Added: Coronary angiogram section (still under construction)
⁃ Added: Midesophageal left atrial appendage (LAA) and 5 chamber view videos
⁃ Updated: Changed autoresizing masks throughout the application to improve compatibility with smaller iPhones screen sizes
4.0
2020-08-15
⁃ Added: Midesophageal ascending aorta (long/short axis), upper esophageal aortic arch (long/short axis), transgastric right ventricular inflow, and a few transgastric tricuspid TEE videos
⁃ Updated: Table icons for References tab
3.9
2020-08-15
Added: Midesophageal 2 chamber TEE video
Added: Aortic intramural hematoma, fungal endocarditis, subaortic membrane, and paravalvular leak videos
Updated: Combined “References” and “About” tabbed menu bar content to clean up the interface
Updated: Prosthetic valve image transparency
3.8
2020-08-15
Added: Gallbladder and spleen (left upper quadrant) abdominal POCUS videos
Added: New video framework to allow videos to be expanded and viewed in landscape orientation
Added: Thumbnail icons to menus
Added: Option to click on valve images to expand
Updated: User interface elements
3.6
2020-08-15
- Added: Carcinoid tricuspid valve, diaphragm M-mode POCUS, and abnormal bubble study videos
- Updated: TAPSE and tricuspid regurgitation images
3.5
2020-08-15
- Added: References section (with sections for equations and links, both still under development)
- Added: Separate sections for “About” - Author, Changelog, Contribute, Disclaimer & Terms, and References
- Added: Images for PI jet and RA minor axis
- Updated: Tab bar and social media icons
2.7
2020-08-15
- Added: Bladder POCUS video
- Added: Femoral vascular video
- Updated: Increased text size
2.6
2020-08-15
- Added: Cardiac POCUS descriptions
2.5
2020-08-15
- Added: Peripheral Nerve Block POCUS (EPS and supraclavicular blocks)
2.4
2020-08-15
- Added: Mitral valve area, PISA, and pressure half-time for mitral stenosis
- Added: 3D mitral valve with color flow video
- Updated: 3D Touch, App Screenshots, and social media links on About page
- Fixed: Resizing issues on Abdominal videos
2.2
2020-08-15
- Update: New EchoTools app icon and Videos tab icon
- Update: Added color to the tab bar
- Update: Added subtitles to some menu items
- Added: dP/dt image
- Added: 3D tricuspid valve video
2.1
2020-08-15
Added: Videos - right atrial clot, wall motion abnormalities, and 3D mitral valve using Philips TrueVue rendering
2.0
2020-07-13
- Updated: LV size/function criteria
- Bug fixes
1.9
2020-07-06
- Added: MitraClip interventional procedure (with 3D video clip)
- Added: Pleural effusion TEE clip
- Added: SVC syndrome
- Added: TGA
- Updated: References
- Updated: App preview screenshots
1.8
2020-06-29
- Fixed: TEE/TTE video playback does not pause background music from other apps
1.7.1
2020-06-18
- Minor bug fixes
1.6
2020-05-28
- Added LVAD inflow cannula videos
- Bug fixes
1.4
2020-03-16
- Adjusted TEE/TTE framework to add more videos and descriptions in the future
- Standardized layout elements
1.3
2019-11-29
- New framework for TEE/TTE videos (will update descriptions in a later version)
1.2
2019-11-15
- Added Edwards Inspiris and Intuity valve information
1.1
2019-09-11
- Added some color to the UI
- New screenshots
- Bug fixes
1.0
2019-05-27
- Out of beta: VERSION 1.0!
- Framework and optimization schemes are finalized.
- Provisions to easily add images with subsequent updates
0.9
2019-05-25
- Added more images (ie, aortic atheroma and aortic measurements)
- Optimized all images to substantially the overall app size
0.8
2019-05-06
- Updated framework to streamline the addition of echo/valve images
- Changed app screenshots
0.7
2019-02-14
- NEW TAVR VALVE SECTION (gradients, velocities, images)
- Updated prosthetic aortic valve images with citations (see "About" tab)
- Bug fixes
0.6
2019-02-10
Bug fixes and citations (under "About") for images
0.5
2019-02-07
- Framework updates
- Bug fixes
- Provision for images
0.4
2018-12-29
- Adjusted backend framework to begin adding images and descriptions with future updates
- Bug fixes
0.3
2018-09-26
- Bug fixes
0.2
2018-09-18
- Updated the prosthetic aortic and mitral valve references