Best Z3E Apps

198+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our z3e list covers 198+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Z3E

Molecules#1

Molecules by Sunset Lake Software

Editor's Choice
πŸ“š Education
3.6😐(166 ratings)
Free
Molecules screenshot 1
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Molecules screenshot 5

View and manipulate 3D molecular structures using finger gestures. Rotate, zoom, and pan molecules in ball-and-stick or spacefilling modes. Store and load structures for later viewing, and download custom molecules from various sources. Experience hands-on chemistry exploration now!

What We Love

  • πŸš€ Fast and responsive
  • πŸ‘ Useful for visualizing molecules
  • πŸ‘ Great for teaching chemistry
  • πŸ‘ Excellent for biochemistry students

Room to Improve

  • πŸ› Crashes when downloading new molecules
  • πŸ› Compatibility issues with newer iOS devices
  • πŸ› Limited functionality, missing key features
Periodic Table: Chemistry 2026#2

Periodic Table: Chemistry 2026 by Nikita Chernykh

Chemistry in your phone!
Strong Contender
πŸ“š Education
4.8😊(5.2K ratings)
FreeIn-App Purchases
Periodic Table: Chemistry 2026 screenshot 1
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Periodic Table: Chemistry 2026 screenshot 6

Discover a comprehensive chemistry resource with the Periodic Table app - a valuable tool for students, professionals, and enthusiasts. Access detailed information on chemical elements, interactive features, solubility data, and direct links to Wikipedia. Dive into the world of chemistry on your iPhone today!

What We Love

  • πŸš€ Great app for chemistry learning
  • πŸ‘ Useful information and features
  • πŸ’‘ Includes theoretical elements
  • πŸš€ Efficient and easy to use

Room to Improve

  • πŸ› Some inaccuracies in element data
  • πŸ”’ Paid version required for full functionality
  • πŸ”’ Certain features locked behind paywall
Obsidian - Connected Notes#3

Obsidian - Connected Notes by Dynalist Inc.

Your second brain on the go
Worth Considering
πŸ“Š Productivity
4.5😊(2.4K ratings)
Free
#90in Productivity
Obsidian - Connected Notes screenshot 1
Obsidian - Connected Notes screenshot 2
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Obsidian - Connected Notes screenshot 5
Obsidian - Connected Notes screenshot 6

Access your second brain on-the-go with this powerful knowledge base app that organizes plain text Markdown files in a local folder. Enjoy features like customizable toolbar, quick actions, graph view, community plugins, themes, and iCloud vaults.

What We Love

  • πŸš€ Powerful features
  • πŸ‘ Customizable and flexible
  • πŸ”’ Secure and private
  • πŸ’‘ Innovative note-taking approach

Room to Improve

  • πŸ› Sync issues and unreliable iCloud integration
  • πŸ”‹ Slow startup and performance issues on mobile
  • πŸ‘Ž Steep learning curve for new users

More Z3E apps to explore

4
Davis Drug Guide For Nurses
Davis Drug Guide For Nurses
Davis Drug Guide For Nurses
Medication Safety in Nursing
Free

Safely administer medications with ease using an extensive drug guide designed specifically for nurses. Access over 5,000 drug monographs, personalized note-taking, search functionality, and a 14-day free trial for $38.99/year thereafter.

πŸ₯ Medical
(8.4K)
5
EMD PTE
EMD PTE
EMD PTE
by Merck KGaA (Darmstadt, Germany)
Free
πŸ“š Education
(121)
6
Highlights: PDF Reader & Notes
Highlights: PDF Reader & Notes
Highlights: PDF Reader & Notes
Edit Research Documents/Books
Free

An advanced PDF Reader app that provides features like annotation, highlighting, and note-taking for efficient document management. Easily read, edit, and organize your PDF files on the go.

πŸ“Š Productivity
(1.6K)
7
Papers by ReadCube
Papers by ReadCube
Papers by ReadCube
by Digital Science & Research Solutions Inc.
Free

Discover, organize, and read research literature seamlessly with this app. Access papers on the go, annotate PDFs, find new articles easily, and receive personalized recommendations based on your library. Stay organized by creating custom lists and efficiently searching your library.

πŸ“Š Productivity
(551)
8
Zotero
Zotero
Zotero
Your research assistant
Free

Zotero is a free research tool for collecting, organizing, annotating, citing, and sharing academic work. Easily save articles, books, and webpages, generate citations in various formats, and collaborate with colleagues on research projects. Visit zotero.org for more information and support.

πŸ“Š Productivity
(411)
9
Spreadsheet: Edit XLSX Sheets
Spreadsheet: Edit XLSX Sheets
Spreadsheet: Edit XLSX Sheets
Create, Share XLS Office Files
Free

Create and share XLS office files with ease using this powerful spreadsheet editing tool. Collaborate seamlessly on spreadsheets with colleagues and friends. Experience efficient file management and editing capabilities on the go. Unleash the full potential of your data today!

πŸ“Š Productivity
(93)
10
PepPedia
PepPedia
PepPedia
Peptide Wiki & Tracker
Free
πŸ’ͺ Health & Fitness
(34)
11
Chemistry. Periodic table. AI
Chemistry. Periodic table. AI
Chemistry. Periodic table. AI
Chemical reactions. Elements
Free

A highly advanced mobile application designed to help users learn and understand various concepts in chemistry through interactive quizzes, visual simulations, and detailed explanations. Dive into the world of chemistry with this innovative app and enhance your knowledge today!

πŸ“š Education
(2.6K)
12
WebMO Molecule Editor
WebMO Molecule Editor
WebMO Molecule Editor
Draw, Calculate, Visualize
Free

This application allows users to build, view, and calculate molecular structures in 3-D, access external databases for chemical information, and utilize state-of-the-art computational chemistry programs. It is ideal for students and faculty to visualize molecular properties, optimize structures, and perform calculations on-the-go, and start exploring molecular structures and calculations now.

πŸ“š Education
(40)
13
Genomapp: Raw DNA Analysis
Genomapp: Raw DNA Analysis
Genomapp: Raw DNA Analysis
Genetic Health Data & Reports
Free

Analyze your DNA raw data with an app that connects your genetic information to scientific sources, providing easy-to-understand reports on various genetic markers and conditions. Discover your genetic insights with Genomapp today!

πŸ’ͺ Health & Fitness
(797)
14
Peptide Tracker & Calculator
Peptide Tracker & Calculator
Peptide Tracker & Calculator
Your Private Peptide Log
Free
πŸ’ͺ Health & Fitness
(320)
15
Peptide Calculator App
Peptide Calculator App
Peptide Calculator App
Pepcalc Compound & Dosage
Free

Calculate the molecular weight and other properties of peptides with our advanced Peptide Calculator App. Easily input peptide sequences and get detailed analyses for research and experimentation. Download now to streamline your peptide analysis process.

πŸ₯ Medical
(469)
16
mobilePDR
mobilePDR
mobilePDR
Prescribers' Drug Reference
Free

Get access to the most current and comprehensive drug prescribing information with the official mobilePDR app from PDR. Empower your healthcare practice with powerful search, drug comparison, and pill identification tools. Download the free app now.

πŸ₯ Medical
(101)
17
PeptIQ: Peptide Tracker
PeptIQ: Peptide Tracker
PeptIQ: Peptide Tracker
GLP-1 injection planner
Free
πŸ’ͺ Health & Fitness
(40)
18
PepCalc: Peptide Calculator
PepCalc: Peptide Calculator
PepCalc: Peptide Calculator
Mix & reconstitution tracker
$9.99
$11.99 | 17% OFF

An app designed for calculating reconstitution measurements for peptide mixing, ensuring precise and accurate results every time. Try PepCalc for easy and reliable peptide calculations!

πŸ’ͺ Health & Fitness
(940)
19
Functional Groups
Functional Groups
Functional Groups
Learn organic chemistry
Free

Learn organic chemistry in an engaging and interactive way by studying 25+ functional groups, including alcohols, esters, and amines, through multiple practice modes and personalized review. Master organic chemistry with this app, ideal for classes, MCAT prep, and A-Level chemistry, and start achieving your goals today!

πŸ“š Education
(18)
20
EndNote
EndNote
EndNote
by Clarivate Analytics (US) LLC
Free

A research management tool with flexible tools for searching, organizing, and creating bibliographies. Easily view, edit, and share research material across multiple devices and platforms. Access cutting-edge research and stay connected with your research library on the go.

πŸ“Š Productivity
(162)