Comparison

Chemical Solution Simple vs NotesPro AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chemical Solution Simple

This app assists in preparing chemical solutions through dissolution and dilution. It calculates moles, molar masses, required solute weights, and starting solution volumes, supporting various concentration units.

Highlights
  • Solution preparation by dissolution
  • Solution preparation by dilution
  • Mole calculation
  • Molar mass analysis
  • Required solute weight calculation
  • Starting solution volume calculation
  • Supports Molar, mM, uM, g/l, mg/l units
Features
Read full description

Chemical Solution Simple helps in preparation of chemical solution by dissolution of solid solute or by dilution of existing solution and in finding of moles, Molar masses, required weights of solutes and volumes of starting solutions. Supported concentration units are Molar (M), mM, uM, g/l, mg/l. Touch the units field to change the units in the aformentioned order. The app includes Molar Mass Analyser. Tap on arrow in the Mw field initiates analysis of chemical formula in the component field and set the value to Mw field. No charge values should be used. Valid examples: Mg(HCO3)2, CaCl2.2H2O, CaCl2*2H2O, (NH4)2Fe(SO4)2.6H2O, Mg(H2PO4)2, C6H12O6. Analyser is case sensitive. Application assigns dot as a decimal separator. For further details please refer to http://www.volard.wordpress.com

About

NotesPro AI

This app offers an AI-enhanced note-taking experience, allowing users to record lectures, annotate slides, and generate notes automatically. It also provides AI-powered learning tools like flashcards and a personalized tutor to help users master their study materials.

Highlights
  • Freeform notepad
  • Annotate on slides/PDFs
  • Live lecture recording
  • AI-generated notes
  • Automatic flashcard creation
  • Personalized AI tutor
  • Centralized study hub
Features
Read full description

The ULTIMATE AI-enhanced note-taking experience is here! NotesPro is the only all-in-one note-taking app that lets you take your own notes in addition to live class recording, AI Notes, and AI-powered learning tools—so you never miss a detail and always walk away with mastery. TAKE NOTES YOUR WAY: - Use a blank notepad for freeform writing - Annotate directly on uploaded slides - Highlight, mark up, and organize exactly how you like UPLOAD OR RECORD LECTURES WITH EASE: - Import lecture slides, PDFs, or documents - Record your live lectures or study sessions - Keep everything stored in one simple workspace AI-POWERED NOTE GENERATION AND LEARNING TOOLS: - AI Notes: Automatically generate clear, concise notes from your uploads and recordings - Flashcards: Instantly turn materials into practice cards for faster memorization - AI Tutor: Ask any question about your notes, uploaded lecture slides, or class recording and get context-based answers KEY FEATURES AT A GLANCE: - Notepad for freeform notes - Annotate on slides or PDFs - Live lecture recording - AI-generated notes - Automatic flashcard creation - Personalized AI tutor - Centralized study hub Why Students Love NotesPro: - Never worry about missing something in class - Learn faster with materials tailored to your study needs - Stay organized with all notes, slides, and recordings in one place Perfect For: - College and university students: Capture lectures, review slides, ace exams - High school learners: Organize study sessions and stay ahead in class - Professionals: Record meetings, create notes, and turn content into actionable insights Stop juggling multiple apps for note-taking, recording, flashcards, and Q&A. With NotesPro, it’s all in one. The Future of Note-Taking is Here! Subscription required to access NotesPro's AI-powered note generation and AI tools. Get started with a free trial today! Application Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Chemical Solution Simple4 screens
NotesPro AI4 screens

Verdict

The call

The clearest difference is price: NotesPro AI at Free against Chemical Solution Simple's $2.99. NotesPro AI also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (7 vs 1). Chemical Solution Simple's advantage is in-app purchases (none vs 2). On rating, review sentiment, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

NotesPro AI is free to download; Chemical Solution Simple costs $2.99 up front. NotesPro AI sells 2 in-app purchases, starting at $14.99 per month. Chemical Solution Simple asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Chemical Solution Simple against 5.0 for NotesPro AI. That said, the two scores are not equally well evidenced: NotesPro AI has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Chemical Solution Simple ships an update every 3 months, NotesPro AI every 3 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Chemical Solution Simple versus NotesPro AI: the parameters behind the verdict, then further details
ParameterChemical Solution SimpleNotesPro AI
Price$2.99Free — better
Rating5.0 (1 ratings)5.0 (7 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings17 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size1 MB34 MB
Age rating4+4+
DeveloperRoman VolinskyApricot AI

Customer experience

Chemical Solution Simple

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NotesPro AI

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Chemical Solution Simple

No in-app purchases

2 purchases

NotesPro AI

Subscriptions2
  • NotesPro - Monthly3 Days trial$14.991 Month
  • NotesPro - Annually$99.991 Year

Questions

Is Chemical Solution Simple free?
Chemical Solution Simple costs $2.99, with no in-app purchases.
Is NotesPro AI free?
NotesPro AI is free to download, with in-app purchases available.
Which has better reviews, Chemical Solution Simple or NotesPro AI?
Chemical Solution Simple and NotesPro AI are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.
Do Chemical Solution Simple or NotesPro AI have ads?
Neither Chemical Solution Simple nor NotesPro AI shows ads.
Which is updated more often, Chemical Solution Simple or NotesPro AI?
Chemical Solution Simple ships an update every 3 months, and NotesPro AI every 3 weeks. Most recently, Chemical Solution Simple was updated on October 10, 2026 and NotesPro AI on October 15, 2026.

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