Best Kmno Apps

206+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

KMNO is the household name in kmno, but it's far from the only option. We track 206+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Kmno

HPR#2

HPR by Hawaii Public Radio

Strong Contender
🎬 Entertainment
4.6😊(220 ratings)
Free
HPR screenshot 1
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HPR screenshot 6

This app lets you listen to HPR live, pause and rewind audio, explore On Demand content, and use a unique search feature to find stories from various stations. You can bookmark favorite stories, set an alarm to wake up to HPR, and easily share content with friends. Get the app now and enjoy public radio on the go!

What We Love

  • 👍 Easy to use and intuitive interface
  • 🌍 Access HPR from anywhere globally
  • 📻 Convenient live streaming and on-demand content
  • 🎵 High-quality music and news programming

Room to Improve

  • 🐛 App stops playing after 10-15 minutes
  • 🐛 Frequent crashes and unexpected disconnections
  • 👆 Overly sensitive touch controls causing accidental clicks
Rock Identifier: Stone ID#3

Rock Identifier: Stone ID by Next Vision Limited

Gem Mineral Crystal Identifier
Worth Considering
📚 Education
4.7😐(68K ratings)
FreeAdsIn-App Purchases
#29in Education
Rock Identifier: Stone ID screenshot 1
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Rock Identifier: Stone ID screenshot 6

"Discover stones, gems, and crystals with ease using our all-in-one identifier app. Simply snap a photo or upload an image to learn more about your finds instantly. Start exploring today!"

What We Love

  • 🤩 Accurate rock identification
  • 🤓 Extensive information on rocks
  • 🧠 Helpful for learning about rocks
  • 🪨 Great for rock collectors

Room to Improve

  • 💰 Expensive subscription model
  • 🔢 Limited free scans per day
  • 🔍 Inconsistent accuracy, sometimes wrong

More Kmno apps to explore

4
EMD PTE
EMD PTE
EMD PTE
by Merck KGaA (Darmstadt, Germany)
Free
📚 Education
(121)
5
The Chemical Touch: Lite Edition
The Chemical Touch: Lite Edition
The Chemical Touch: Lite Edition
by Christopher Fennell
Free

Access a simplified and free periodic table app for your iPhone or iPod touch with The Chemical Touch: Lite Edition. Easily view masses, densities, melting points, boiling points, and more. Download now for quick and convenient reference.

📚 Education
(2.5K)
6
Getcontact
Getcontact
Getcontact
Caller ID & Spam Blocker
Free

Manage your calls more efficiently with this app that helps identify unknown numbers, block spam calls, and organize your contacts easily. Stay in control of your communication with just a few taps. Download now to simplify your call management experience.

🔧 Utilities
(59K)
7
Chegg Study - Homework Help
Chegg Study - Homework Help
Chegg Study - Homework Help
Expert Answers & College App
Free

Get expert answers to your homework questions and study smarter with the Chegg Study app. Access step-by-step solutions and live expert help 24/7. A must-have tool for all students aiming to excel in their academics.

📚 Education
(205K)
8
Quizard AI: Homework Helper
Quizard AI: Homework Helper
Quizard AI: Homework Helper
Instant Math Problem Solver
Free

A homework assistance app that provides instant answers and explanations for scanned questions. Simplify your studies with Quizard AI - Scan and Solve today!

📚 Education
(57K)
9
Periodic Table
Periodic Table
Periodic Table
by Royal Society of Chemistry
Free

Explore a comprehensive Periodic Table app ideal for students, teachers, and chemistry enthusiasts. Discover fascinating facts, view elements in their natural state, access podcasts and videos, and customize the app to focus on your interests. Dive into the world of chemistry with this user-friendly and informative tool!

📚 Education
(184)
10
LabCal
LabCal
LabCal
by iSheepSoft
Free
🔍 Reference
(7)
11
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

A scientific calculator app designed for engineers and students, offering features like formula display, quick editing, memory functions, and various calculation modes. Improve accuracy and efficiency with easy formula navigation and editing tools. Explore advanced functions for different number systems and mathematical operations.

🔧 Utilities
(1.9K)
12
HazMat - ERG 2024 Guidebook
HazMat - ERG 2024 Guidebook
HazMat - ERG 2024 Guidebook
Emergency Response Guidebook
Free

Explore an essential Hazardous Materials reference app for quick and easy guidance on handling emergencies. Offline functionality ensures access anytime. Find out more!

🔍 Reference
(1K)
13
Numerade - Homework Help
Numerade - Homework Help
Numerade - Homework Help
Textbook Solution Ask Question
Free

Get step-by-step textbook solutions, snap a picture of your problem for a custom solution, and boost your confidence in STEM classes with the Numerade - Homework Help app. Join the 98% reporting better grades today – download now!

📚 Education
(640)
14
Orenda
Orenda
Orenda
Pool Calculator and Education
Free

Easily master pool chemistry and balance water chemicals using a user-friendly pool calculator app. Enhance your pool maintenance experience with accurate dosing and educational resources. Experience hassle-free pool chemistry with Orenda!

📊 Productivity
(452)
15
Rock & Crystal Identifier
Rock & Crystal Identifier
Rock & Crystal Identifier
ID Crystals Mineral Gem Stones
Free

Crystal is a versatile mobile app that helps users organize their daily tasks, set reminders, and track their progress with detailed analytics. Stay on top of your schedule and boost productivity by downloading Crystal today!

📚 Education
(2.3K)
16
Chem AI - Chemistry Solver
Chem AI - Chemistry Solver
Chem AI - Chemistry Solver
Homework Helper, Answers
Free

Get instant step-by-step chemistry problem solutions with a free trial of a comprehensive chemistry solver app. Upload or snap a photo of your problem for detailed explanations covering all chemistry topics from high school to advanced research. Try it now!

📚 Education
(812)
17
SDS Mobile
SDS Mobile
SDS Mobile
by Kelleher, Helmrich & Associates, Inc.
Free

This application provides instant access to a vast database of safety data sheets, allowing users to search, view, and manage information on chemicals and products, and respond quickly in emergency situations. With features like barcode scanning, favorites binder, and sharing options, it offers a convenient and efficient way to handle safety data on-the-go.

🔍 Reference
(18)
18
K12 Periodic Table of the Elements
K12 Periodic Table of the Elements
K12 Periodic Table of the Elements
by Stride Inc.
Free

Explore the elements and their attributes with the K12 Periodic Table of the Elements app. Features include detailed element information, color-coded classification indicators, and compatibility with various devices. Accessible for iOS devices, it's a valuable tool for students studying Science. Discover more at http://www.k12.com/what-is-k12/.

📚 Education
(45)
19
Kunduz: Elevate Student Scores
Kunduz: Elevate Student Scores
Kunduz: Elevate Student Scores
Expert Q&A 24/7: Learn & Excel
Free

"Elevate student scores with our expert question and answer platform designed to help students excel in their academic studies. Join now to boost your learning outcomes!"

📚 Education
(454)
20
Chem_Calculator
Chem_Calculator
Chem_Calculator
with elegant periodic table
Free

This essential tool for organic chemists features an elegant periodic table and provides accurate molecular weight calculations. It allows users to check element details, input complex formulas, and save or edit results, making it a must-have calculator for chemistry professionals.

📚 Education
(152)