J-SEMS PRO app icon

Apps Like J-SEMS PRO for iPhone and iPad

by RYOHEI KOMATSUBARA★ 0.00 ratingsEducationFreeData updated 2026-09-18

J-SEMS PRO screenshots

Ranked alternatives

Showing 41–60 of 1,000 ranked alternatives.

  1. Observer Pro app icon

    Observer Pro

    Joshua Bury

    Plan observations and capture celestial events

    Plan observing sessions by predicting celestial object visibility and weather conditions. Track star positions and calculate exposure times for astrophotography. Set location and date to get accurate sky maps and event alerts.

    ★ 4.649 ratingsEducation$13.99Data updated 2026-09-08
  2. Calculate Percentage PRO app icon

    Calculate Percentage PRO

    Glindemann, Sennoun, Langer GbR

    Percentages with missing variables

    Percentages by entering two of three variables. Use a modified keyboard to input values, including fractions and decimals. Store calculations in a history log. View detailed solutions and share results. No advertisements.

    ★ 4.651 ratingsEducation$1.99Data updated 2026-09-22
  1. Buteyko Pro app icon

    Buteyko Pro

    Eduard Reuvers

    Breathing exercises for general health.

    The app offers a training system with 52 levels, including audio guidance, tips, and timers for various breathing exercises. It allows users to track personal breathing charts and exercise history, and share this data with instructors.

    ★ 4.844 ratingsHealth & FitnessFreeData updated 2026-11-02
  2. SparkChess Pro app icon

    SparkChess Pro

    Media Division SRL

    Play chess, challenge opponents, customize boards

    Play chess with customizable boards and adjustable difficulty levels. Challenge computer opponents or play online. Track game history and review moves. Save and load games. Share results via social media.

    ★ 4.442 ratingsGames$24.99Data updated 2026-09-08
  3. My Skate Pro app icon

    My Skate Pro

    Sojourn Wallace

    Learn skating moves, connect with skaters, track

    Learn skating through on-demand lessons with step-by-step tutorials from professional instructors. Connect with skaters globally to share progress and receive feedback. Access peer-to-peer coaching for tips and support.

    ★ 4.242 ratingsSportsFreeData updated 2026-09-06
  4. Solving Pythagoras PRO app icon

    Solving Pythagoras PRO

    Glindemann, Sennoun, Langer GbR

    Calculate triangle edges with Pythagorean theorem

    Calculate missing sides of right-angled triangles using the Pythagorean theorem. Enter two sides to find the third. Save calculation history. Share complete solutions. Support for entering fractions. No advertisements.

    ★ 4.235 ratingsEducation$1.99Data updated 2026-09-13
  5. iKnow Birds PRO app icon

    iKnow Birds PRO

    NATURE MOBILE G.m.b.H.

    Identify , view images, read facts

    Identify bird species using visual cues, calls, and habitat details. View high-resolution images, listen to audio recordings, and access detailed descriptions. Browse species facts, distribution maps, and behavior notes.

    ★ 4.033 ratingsReferenceFreeData updated 2026-09-09

How we rank alternatives

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