Impari Citric vs pHCalculation
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Impari Citric
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Memorize details on the citric acid cycle (AKA, Krebs or TCA) for biology and biochemistry with this highly customizable quizzing application. Adjust it to suit your particular learning requirements. Draw questions from one or more of many choices, including: * participating reaction molecules * full chemical name * abbreviation * chemical skeletal formula * chemical structural formula * reaction catalysts * full chemical name * abbreviation * citric acid cycle reactions * reactants * catalysts * products Select answers from one or more of many choices, including all of the question options as well as: * enzyme class of the catalysts * type of the reactions * how reactions effect the energy availability * chemical co-reactants involved in the reactions * chemical by-products produced by the reactions Configure the number of questions and how they are selected: * user set number of random questions (allowing repeats) * user set number of unique, non-repeating questions * ask ALL questions currently matching the selection filters Configure how missed answers are handled with multiple options: * just continue with quiz * repeat missed questions one time * keep repeating missed questions until answered correctly Utilize filters to further limit the questions included and target your individual learning goals. Quiz includes both single choice questions and select-all-that-apply questions. Save settings that meet your needs to be used automatically with future use of the application - or reset to the system defaults at will. All of this allows you to configure the app to help you quickly learn the citric cycle reactions including the reactants, catalysts, products, co-reactants, and by-products. It is an ideal study aid for biology and biochemistry students who need to memorize various portions of this information.
pHCalculation
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Introducing a Stunning New Interface! We've completely redesigned the app for a more intuitive and engaging experience. Our sleek, modern UI makes navigating through calculations effortless, allowing you to focus on what truly matters: understanding chemistry. pHCalculation is more than just a calculator; it's your personal chemistry tutor. Perfect for high school and college students who want to ace their exams and build unshakable confidence in acid-base chemistry. Key Features: - Step-by-Step Solutions: Don't just get the answer. See the full, detailed calculation for every problem, helping you truly understand the "why" behind the result. - Modern & Intuitive UI: Enjoy a beautiful, user-friendly design that makes learning chemistry a pleasure. - Comprehensive Learning Tool: Master everything from strong and weak acids/bases to salt solutions and complex buffer systems. - Advanced Reverse Calculations: Easily find the acid or base dissociation constants (Ka/Kb) to deepen your understanding of chemical principles. - Academically Accurate: Systematically tested to ensure every calculation is precise, helping you solve problems quickly and correctly. Download pHCalculation today and transform complex chemistry concepts into an accessible, interactive learning experience!
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Verdict
The clearest difference is price: pHCalculation at Free against Impari Citric's $1.99. pHCalculation also leads on update cadence (every 5 days vs every 10 days). Impari Citric's advantage is in-app purchases (none vs 5) and iOS requirement (16.6 vs 18.6). On ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
pHCalculation is free to download; Impari Citric costs $1.99 up front. pHCalculation sells 5 one-off in-app purchases. Impari Citric asks for nothing beyond the download.
Impari Citric ships an update every 10 days, pHCalculation every 5 days. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | Impari Citric | pHCalculation |
|---|---|---|
| Price | $1.99 | Free โ better |
| Update frequency | Every 10 days | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 16.6 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | David Orgeman | Jatuphol Jaturapat |
In-app purchases
Impari Citric
No in-app purchases
pHCalculation
- Show solution$0.99
- Buffer Calculator$0.99
- Salt pH calculator$0.99
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- Reverse pH calculator$0.99
- Unlock All Features.$1.99
Questions
Is Impari Citric free?
Is pHCalculation free?
Do Impari Citric or pHCalculation have ads?
Which is updated more often, Impari Citric or pHCalculation?
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