Digital Slide Rule app icon

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.

by Ace Hoffman★ 5.015 ratingsEducationFreeData updated 2026-09-11

Digital Slide Rule screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. BallBreaker app icon

    BallBreaker

    Ivan Cerra de Castro

    Remove bricks, collect power-ups, avoid enemies.

    The app involves removing bricks with a ball and controlling ball rebounds with a ship. The user's ship can collect hidden power-up capsules, and players slide their finger to move the ship while avoiding enemies across 35 levels.

    ★ 3.511 ratingsEntertainment$1.99Data updated 2026-09-17
  1. Princess Libby's Pool Party app icon

    Princess Libby's Pool Party

    Libii Tech Limited

    Play games and collect items

    Play a casual game where players dress characters in trendy outfits and customize their look. Navigate through a summer-themed world to complete tasks and collect items. Unlock new styles and participate in events.

    ★ 4.62,229 ratingsGamesFreeData updated 2026-09-18
  2. PutNumber2 app icon

    PutNumber2

    TAKASHI TOKUDA

    Place numbers, group blocks, erase targets

    Place number blocks on the board by sliding them from below. Group blocks to erase them and clear the board. Features include Stones, 1000 POINTS MODE, and 30+ different game modes.

    ★ 4.798 ratingsGamesFreeData updated 2026-09-10
  3. Rule Master app icon

    Rule Master

    Universal Queue LLC

    Test knowledge with Rules of the Road

    Learn and test knowledge of navigation rules with interactive quizzes and detailed explanations. Filter questions by category and difficulty. Track progress with performance analytics and proficiency reports.

    ★ 4.8292 ratingsNavigation$9.99Data updated 2026-10-10
  4. Controlled Release Society app icon

    Controlled Release Society

    Controlled Release Society, Inc

    Browse presentations and exhibitor details

    Browse presentations, presenter, and exhibitor details from events. View session slides and annotate with finger drawing and highlighting. Take notes per slide and save them online for later access.

    ★ 4.834 ratingsEducationFreeData updated 2026-09-06
  5. VerseVIEW Songbook app icon

    VerseVIEW Songbook

    Binu Joseph

    Search, browse, and bookmark lyrics

    Allows users to search, browse, and bookmark Christian song lyrics in Malayalam, Hindi, Tamil, Telugu, Bengali, and Kannada. Lyrics are accessible for choir members during services. Supports multiple language options and replaces printed songbooks.

    ★ 4.8317 ratingsReferenceFreeData updated 2026-09-08
  6. KyBook 3 Ebook Reader app icon

    KyBook 3 Ebook Reader

    Konstantin Bukreev

    Read e-books, manage your library, annotate texts,

    Read and organize e-books with support for EPub, PDF, MobiPocket, DjVu, FictionBook, Comic Book, and Audio Book formats. Access OPDS catalogs and sync files via Cloud Storage. Annotate pages, adjust reading settings, and manage a personal library.

    ★ 4.74,667 ratingsBookFreeData updated 2026-09-14
  7. Antikythera Mechanism app icon

    Antikythera Mechanism

    Menicos Louca

    Explore gears, adjust dials, and simulate ancient

    Explore the gears and dials to understand ancient astronomical models. Adjust crank motion with a slider for clockwise or counter-clockwise rotation. Swipe to rotate and pinch to zoom for detailed inspection.

    ★ 4.225 ratingsEducationFreeData updated 2026-09-09
  8. Histology Complete -SecondLook app icon

    Histology Complete -SecondLook

    The University of Michigan

    Test knowledge with micrographs

    Review histological micrographs to test knowledge and identify structures. Access high-quality images from the University of Michigan Virtual Slide collection. Use 27 sets covering over 550 pages of tissues, organs, and organ systems.

    ★ 4.421 ratingsMedicalFreeData updated 2026-09-10
  9. PutNumber - Simple Puzzle Game app icon

    PutNumber - Simple Puzzle Game

    TAKASHI TOKUDA

    Slide blocks, group, erase, clear board

    Allows users to slide number blocks onto the board to match required counts for elimination. Players can rotate blocks at the bottom and strategize to clear the board without overflowing. The goal is to erase multiple blocks for higher scores.

    ★ 4.7278 ratingsGamesFreeData updated 2026-09-09

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.