Best III alternatives: apps like III-V Comp.

7+ similar apps compared and reviewed

4.4 avg rating

7 free apps

Updated November 2026

III-V Comp.

Takuya Ishikawa

📚 Education

🔍 Reference

Whether you want more options like III or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to III

Fasttrack ATPL - Pilot Exams by Logikwerk GmbH

Pilot Exam & Typerating Prep

Editor's Choice

📚 Education

3.0(3 ratings)

FreeIn-App Purchases

Fasttrack ATPL - Pilot Exams screenshot 1

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Fasttrack ATPL - Pilot Exams screenshot 4

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Prepare for pilot theory exams with a comprehensive question bank covering EASA, Middle East, and Chinese ATPL syllabi. Includes specialized modules for specific airlines and aircraft typeratings.

夏恩英语 by 皊董

Strong Contender

📚 Education

5.0(2 ratings)

Free

Periodic Table PRO by AGILE FLEX TECH

Periodic Table of Elements

Worth Considering

📚 Education

4.6(87 ratings)

FreeIn-App Purchases

Explore a virtual chemistry lab with interactive experiments and detailed information on all chemical elements. Features include atom structure simulations, downloadable PDFs, and studying analytics to enhance learning. Supports multiple languages and offers a cohesive, functional design.

More apps like III

Periodic Table of Elements+

by Sonya Marcarelli

Free

This educational app provides a compact Mendeleev's table with extensive chemical element data. It allows users to create molecular formulas, calculate their mass, and access detailed Wikipedia information for each element. Designed for students and chemistry enthusiasts, it offers VoiceOver accessibility and efficient space utilization.

Mendeleev's table referenceMolecular formula composerMolecular mass computation

This professional reference app provides airline pilots with detailed guidance and practical advice for handling over 300 non-normal situations on the Boeing 737. It includes extensive system notes, illustrations, logic gates, and schematics to aid in-flight and ground operations.

300+ non-normal proceduresSystem notes and practical adviceOver 2,200 illustrations

by GUANGZHOU XIANGQI CO.,LTD.

Scientific Graphing Calculator

Free

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

2D and 3D graphingMultiple coordinate systemsEquation evaluation

📚 Education

(423)

free with in-app purchases

Compare with III