Best Harold Iwen Apps

202+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

Finding the right harold iwen apps can be overwhelming with so many options. We've analyzed 202+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Harold Iwen Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ultimate Chemistry CalculatorUltimate Chemistry CalculatorFree5.0★ (4)NoNoMay 2026
2PhotomathPhotomathFree4.8★ (733K)NoYesSep 2026
3Basic Calculator+Basic Calculator+Free4.9★ (243K)YesNoSep 2026
4Calculator₊Calculator₊Free4.7★ (1.7M)YesYesSep 2026
5Desmos Scientific CalculatorDesmos Scientific CalculatorFree4.3★ (332)NoNoAug 2026
6MathMaster: Math Solver & HelpMathMaster: Math Solver & HelpFree4.6★ (12K)YesYesSep 2026
7WolframAlphaWolframAlphaFree2.8★ (129)NoYesSep 2026
8Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesSep 2026

Top Picks for Harold Iwen

Ultimate Chemistry Calculator#1

Ultimate Chemistry Calculator by Harold Iwen

Mole Conversion Calculators
Editor's Choice
📚 Education
5.0(4 ratings)
Free
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This app offers nine specialized calculators for mole-related conversions, including grams to moles and moles to particles (atoms or molecules). It visually sets up conversion problems, allowing users to input numbers and calculate results. A review section provides a brief overview of mole conversions.

Photomath#2

Photomath by Google

Learn math, step-by-step
Strong Contender
📚 Education
4.8😊(733K ratings)
FreeIn-App Purchases
#33in Education
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Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.

What We Love

  • 🚀 Helpful for homework and understanding concepts
  • 👍 Provides step-by-step solutions and explanations
  • 🤖 Accurate and reliable for solving equations
  • 💡 Useful for checking work and learning from mistakes

Room to Improve

  • 💰 Paywall for accessing step-by-step explanations
  • 🔒 Concerns about using the app to cheat
  • 🐛 Camera focusing issues and inability to solve certain problem types
  • 💸 Expensive monthly subscription fee
Basic Calculator+#3

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator
Worth Considering
🔧 Utilities
4.9😊(243K ratings)
FreeAds
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Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Straightforward, basic functionality
  • 👍 No ads or in-app purchases
  • 👍 Works well on iPad

Room to Improve

  • 🐛 Inconsistent click volume
  • 🐛 Ads can be intrusive or disruptive
  • 🐛 Missing backspace/delete function

More Harold Iwen apps to explore

FAQ about Harold Iwen

What are the best harold iwen apps for iPhone?
Ultimate Chemistry Calculator tops our harold iwen apps ranking as of June 2026, with a 5.0-star average from 4 App Store ratings, and it's free to download.
Yes — 17 of the top harold iwen apps we rank are free to download, including Ultimate Chemistry Calculator and Photomath.
Ultimate Chemistry Calculator has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 202+ harold iwen apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Ultimate Chemistry Calculator supports nine specialized mole conversion types. These include bidirectional pathways from Grams to Moles to Particles (Atoms or Molecules), and specific conversions from Molecules to Atoms.
Upon selecting a conversion type, the app visually sets up the entire problem in the calculations tab. Users only need to input the given numbers, making the process more intuitive.