Apps Like Digital Slide Rule for iPhone and iPad
Calculate with rules
Learn to use rules for calculations and estimations. Explore straight, circular, spiral, and cylindrical types. Access dozens of scales and color options. View numeric values under the cursor.
Digital Slide Rule screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.


National Council
National Council for Behavioral Health
Browse presentations, speaker info, and exhibitor details
Browse meeting presentations, speaker, and exhibitor details. View session slides and annotate with drawings and highlights. Take notes per slide and save them online for later access through a personal summary.

ASHP LIVE!
American Society of Health-System Pharmacists
Browse presentations, slides, and resources
Browse presentations, presenter, and exhibitor details from events. Access session slides and annotate them with finger drawing and highlighting. Take notes per slide and save them online for later access.

Learn Italian for Beginners
Appcano LLC
With interactive lessons
With interactive lessons, vocabulary practice, and grammar exercises. Practice speaking, listening, reading, and writing. Includes a built-in translator and progress tracking features.

2248 Hexa
可范 谢
Connect numbers, slide, multiply
Play a number connection game by sliding numbers in six directions. Connect two same numbers to start, then connect again with the same or a doubled number. The score is the sum of all connected numbers.


Perfboard
Soft Dorothy LLC
Electronics hobbyist utility and reference tool.
The app provides a reference and utility for electronics hobbyists. It includes calculators for resistors and capacitors, along with tools for L.E.D.s and Ohm's law.

AHCA NCAL Events
American Health Care Association
Browse presentations and slides
Browse presentations, speaker details, and event resources. View session slides and annotate with drawings and highlights. Take notes per slide and save them online for later access.


Word Search : Brain Training
Noodle Games Limited
Find hidden words in grids
Play by sliding letters in eight directions to find hidden words. Choose from 30+ puzzle categories and three modes: Topic, Story, and Relax. Create puzzles with friends, select from multiple themes, and complete daily challenges.

EELS Atlas
Gatan Inc
Edge energies for all elements.
The app provides edge onset energies and general edge shapes for all stable elements. Data can be searched or browsed by element or by energy within an interface.

Learn German for Beginners
Appcano LLC
With interactive lessons
With interactive lessons, vocabulary exercises, and grammar drills. Practice speaking, listening, reading, and writing. Includes a built-in translator and progress tracking features.

NCEO Events
The National Center for Employee Ownership INC
Browse sessions, view slides, and annotate notes
Browse presentation, speaker, and exhibitor details from select meetings. Access session slides and annotate them with drawings and highlights. Take notes per slide and save them online for later access through your personal summary.

英漢字典 EC Dict
Kelvin Ng
Look up words and examples
Dictionary for bilingual translation with 200,000 word entries. Supports split view and slide over. Offers traditional and simplified Chinese, Mandarin and Cantonese pronunciation. Includes example sentences with audio.

Merge Numbers!
凤娇 徐
Bubbles, slide numbers, solve puzzles
Play a relaxing puzzle game by sliding bubbles to them into higher numbers. Connect same numbers in any of eight directions for a multiple of 2 result. Track score as sum of linked numbers. Reach target for level completion.

TSHA Annual Conventions
TEXAS SPEECH LANGUAGE HEARING ASSOCIATION INC
Browse presentations and exhibitor details
Browse presentations, presenter, and exhibitor details from select . View session slides and annotate with finger drawing and highlighting. Take notes per slide and save them online for access.

Mayo Clinic CME
Mayo Clinic
Browse presentations and slides
Browse presentation, speaker, and exhibitor details from meetings. Access slides for sessions. Draw and highlight on slides with finger input. Take notes per slide and save them online for later access through a personal summary.

SuperSlide - Unblock Me
FS GIIKER TECHNOLOGY CO.,LTD
Slide puzzle game, the red piece
Solve slide puzzles by sliding tiles to the red piece. Access a 511-puzzle library with varying difficulty levels. Track progress and replay previous puzzles. Share solutions via social media. Adjust tile colors and grid sizes for customization.


How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.