Geometry Calculator++ vs DrPhos' Molar Mass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geometry Calculator++
This app helps you solve for the parameters of various geometric shapes and visually draws them. It supports multiple triangle types, squares, rectangles, circles, and regular polygons. Available for iPhone and iPad with a single purchase.
- Solves geometric parameters
- Draws geometric shapes
- Supports triangles, squares, rectangles, circles, and polygons
- Universal app for iPhone and iPad
- Single purchase
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Geometry Calculator++ is a universal app that runs on your iPhone and iPad with a single purchase. It helps you solve for the parameters of geometrics shapes. It draws them as well. Currently the following shapes are available: - Right Triangle - Isosceles Triangle - Rectangle - Square - Circle - Regular Polygon - Rhombus
DrPhos' Molar Mass
Instantly calculate the molar mass of any chemical formula, supporting complex structures with subscripts and parentheses. It also provides an elemental breakdown by mass and percentage, aiding in problem-solving and learning.
- Calculates molar mass from chemical formulas
- Supports parentheses and polyatomic ions
- Automatic subscript formatting
- Elemental breakdown by mass and percentage
- Valuable for high school and college chemistry
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Calculate Molar Mass and Elemental Composition Instantly The DrPhos Molar Mass Calculator is a fast, reliable tool for calculating the molar mass of any chemical formula. Whether you’re working with simple compounds or complex polyatomic ions, the app handles subscripts, parentheses, and nested groups with ease. In addition to total molar mass, the app performs elemental analysis, showing the contribution of each element to the total mass—making it a valuable tool for both problem-solving and learning. Features: • Calculates molar mass from chemical formulas • Supports parentheses and polyatomic ions • Automatic subscript formatting and validation • Elemental breakdown by mass and percentage • Great for high school, AP Chemistry, and college-level courses Unlock even more tools in the DrPhos GenChem Helper suite, including: • Reaction Balancer • Significant Figures Counter • Ionic Compound Builder • General Chemistry Naming Tool • Stoichiometry Solver • pH Calculator • Integrated Rate Law Calculator • Solution Concentration Calculator • Scientific Calculator • Quadratic Equation Solver Each tool is available individually for $0.99, or unlock them all with the full GenChem Helper for $9.99.
Screenshots
Verdict
The clearest difference is rating: DrPhos' Molar Mass at 5.0 against Geometry Calculator++'s 3.4. DrPhos' Molar Mass also leads on update cadence (every 6 days vs fortnightly) and price ($0.99 vs $2.99). Geometry Calculator++'s advantage is in-app purchases (none vs 10) and iOS requirement (15 vs 17.0). On review sentiment, ratings volume, ads and monetization model 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
Geometry Calculator++ costs $2.99 and DrPhos' Molar Mass $0.99 up front. DrPhos' Molar Mass sells 10 one-off in-app purchases. Geometry Calculator++ asks for nothing beyond the download.
DrPhos' Molar Mass holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Geometry Calculator++ ships an update fortnightly, DrPhos' Molar Mass every 6 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Geometry Calculator++ | DrPhos' Molar Mass |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 3.4 (5 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 | 9 — better |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Dogahe | Monte L Helm |
Customer experience
Geometry Calculator++
DrPhos' Molar Mass
In-app purchases
Geometry Calculator++
No in-app purchases
DrPhos' Molar Mass
- Science Calculator$0.99
- Significant Figures Counter$0.99
- Quadratic Equation Solver$0.99
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- Ionic Compound Builder$0.99
- Solution Concentrations$0.99
- Reaction Balancer$0.99
- Stoichiometry$0.99
- Naming Compounds$0.99
- pH Calculator$0.99
- Kinetics$0.99
Questions
Is Geometry Calculator++ free?
Is DrPhos' Molar Mass free?
Which has better reviews, Geometry Calculator++ or DrPhos' Molar Mass?
Do Geometry Calculator++ or DrPhos' Molar Mass have ads?
Which is updated more often, Geometry Calculator++ or DrPhos' Molar Mass?
Other comparisons
