# Chemistry Calculator vs MathNotes

The clearest difference is price: MathNotes at Free against Chemistry Calculator's $0.99. MathNotes also leads on rating (4.7 vs 2.5) and review sentiment (33% vs 0%). Chemistry Calculator's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

MathNotes is free to download; Chemistry Calculator costs $0.99 up front. MathNotes sells 1 in-app purchase, starting at $2.99 per month. Chemistry Calculator asks for nothing beyond the download.

MathNotes holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: MathNotes has 52 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Chemistry Calculator's written reviews are positive against 33% of MathNotes's.

Chemistry Calculator ships an update every 43 months, MathNotes every 11 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Chemistry Calculator | MathNotes |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/chemistry-calculator/id1297961142/reviews) | **[4.7 (52 ratings)](https://appshunter.io/ios/app/mathnotes-math-problem-solver/id6453477170/reviews)** |
| Number of ratings | 2 | **52** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 11 days** |
| Monetization | Paid | **Freemium** |
| Size | 6 MB | 61 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [loay setrak](https://appshunter.io/developer/923932983) | [Impala Studios](https://appshunter.io/developer/1063279743) |

## What reviewers say

### Chemistry Calculator

[App page](https://appshunter.io/ios/app/chemistry-calculator/id1297961142)

This app provides 35 essential chemistry calculators and formulas to help students and professionals solve complex problems. It offers detailed descriptions for each calculator and includes convenient copy and clear buttons for efficient use.

**Highlights:** 35 chemistry calculators, Includes formulas for each calculator, Detailed descriptions for each calculator, Copy and clear buttons, Supports ideal gas law and titration calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MathNotes

[App page](https://appshunter.io/ios/app/mathnotes-math-problem-solver/id6453477170)

This app helps students with math by offering effortless note-taking, organized study materials, and an AI-powered solver for equations. It provides step-by-step explanations to ensure understanding and includes a floating calculator for simultaneous use.

**Highlights:** Effortless note-taking for equations and concepts, Organized study notes with categorization, AI Math Solver with step-by-step explanations, Floating calculator for simultaneous use, Study notes on the go

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $2.99 | per month |


## Frequently asked questions

### Is Chemistry Calculator free?

Chemistry Calculator costs $0.99, with no in-app purchases.

### Is MathNotes free?

MathNotes is free to download, with in-app purchases available.

### Which has better reviews, Chemistry Calculator or MathNotes?

MathNotes is rated higher. Chemistry Calculator averages 2.5 out of 5 from 2 ratings, while MathNotes averages 4.7 from 52 ratings.

### Do Chemistry Calculator or MathNotes have ads?

Neither Chemistry Calculator nor MathNotes shows ads.

### Which is updated more often, Chemistry Calculator or MathNotes?

Chemistry Calculator ships an update every 43 months, and MathNotes every 11 days. Most recently, Chemistry Calculator was updated on November 3, 2026 and MathNotes on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*