Cengage Read vs DrPhos' Solution Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cengage Read
Access and study your digital textbooks from anywhere. This app allows students to read, take notes, highlight, bookmark, and use text-to-speech for a flexible learning experience on the go.
- Read eTextbooks on the go
- Take notes and highlight
- Bookmark important sections
- Text-to-speech functionality
- Search keywords
- Navigate via table of contents
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Read your eTextbook and study on the go with the Cengage Read app. Cengage Read lets students study whenever – and wherever – they want. Take notes, highlight and bookmark info, have the text read out loud with text-to-speech and easily search keywords and jump to pages with the table of contents. Just log in with your Cengage username and password to get started.
DrPhos' Solution Calculator
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Calculate Molarity and Dilution with Ease The DrPhos Solutions Calculator helps you quickly solve solution concentration problems using molarity, volume, and dilution formulas. Whether you’re mixing solutions, preparing for lab, or reviewing for exams, this tool makes chemistry calculations simple and accurate. Just enter the values you know—moles, volume, or molarity—and the app will solve for the unknown instantly. Great for high school, AP Chemistry, and college-level coursework. Features: • Calculates molarity, volume, or moles • Supports dilution problems using M₁V₁ = M₂V₂ • Clean interface with instant feedback • Designed for student use in labs and homework • Compatible with other DrPhos chemistry tools Unlock more tools in the DrPhos GenChem Helper suite, including: • Molar Mass Calculator • Reaction Balancer • Stoichiometry Solver • pH Calculator • Significant Figures Counter • Integrated Rate Law Calculator • Scientific Calculator • General Chemistry Naming Tool • Ionic Compound Builder • Quadratic Equation Solver Each tool is available for $0.99, or unlock them all for $9.99.
Screenshots
Verdict
The clearest difference is price: Cengage Read at Free against DrPhos' Solution Calculator's $0.99. Cengage Read also leads on in-app purchases (none vs 10). On update cadence, ads, device support and iOS requirement 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
Cengage Read is free to download; DrPhos' Solution Calculator costs $0.99 up front. DrPhos' Solution Calculator sells 10 one-off in-app purchases. Cengage Read asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Cengage Read | DrPhos' Solution Calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.2 (4.2K ratings) — better | — |
| Positive reviews | 19.6% of reviews | — |
| Number of ratings | 4.2K — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18 | 17.2 — better |
| Further details — not scored | ||
| Size | 37 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Cengage Learning | Monte L Helm |
Bugs and requests
Cengage Read
Reported bugs
4 issues- Frequent crashes and sign-outs
- Inconsistent highlighting and note-taking functionality
- Inability to view full pages and content
- Text-to-speech feature not working properly
Requested features
4 requests- Improve text formatting and layout
- Add split-screen support for note-taking
- Enhance accessibility features like text-to-speech
- Integrate assignment and due date tracking
DrPhos' Solution Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cengage Read
No in-app purchases
DrPhos' Solution Calculator
- General Chemistry Naming$0.99
- Molar Mass Calculator$0.99
- Stoichiometry$0.99
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- Reaction Balancer$0.99
- Solution Concentrations$0.99
- pH Calculator$0.99
- Kinetics$0.99
- Quadratic Equation Solver$0.99
- Science Calculator$0.99
- Significant Figures Counter$0.99
Questions
Is Cengage Read free?
Is DrPhos' Solution Calculator free?
Do Cengage Read or DrPhos' Solution Calculator have ads?
Which is updated more often, Cengage Read or DrPhos' Solution Calculator?
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