Conversions vs Chemical Formulas Quiz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Conversions
Practice unit conversions with this adaptive educational app. It offers a variety of exercises covering length, mass, area, temperature, and currency conversions using metric and imperial systems.
- Adaptive learning exercises
- Length, mass, and area conversions
- Temperature conversion practice
- Currency conversion exercises
- Metric and imperial unit support
Read full descriptionHide full description
Conversion is an adaptive educational app for unit conversion practice. The app contains various types of exercises for practice of the following units: - length (metric, imperial, combined) - mass (metric, imperial, combined) - area (metric, imperial, combined) - temperature (celsius / fahrenheit) - currency (EUR, USD and CZK)
Chemical Formulas Quiz
Master chemical formulas through engaging multiple-choice quizzes. Learn inorganic and organic substances and ions commonly taught in high school. The app provides common and systematic names to aid your learning.
- Learn inorganic and organic formulas
- Multiple choice quizzes
- Common and systematic names
- High school curriculum focus
- Free to play
Read full descriptionHide full description
Quickly learn the chemical formulas of the most important inorganic and organic substances and ions, taught in secondary education (high school), by taking the free multiple choice quizzes. Trivial name (common name), systematic name, or both are given, depending on their importance.
Screenshots
Verdict
The clearest difference is update cadence: Conversions at weekly against Chemical Formulas Quiz's every 3 months. Conversions also leads on iOS requirement (8.0 vs 11). On price, review sentiment, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Conversions ships an update weekly, Chemical Formulas Quiz every 3 months. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | Conversions | Chemical Formulas Quiz |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (7 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11 |
| Further details — not scored | ||
| Size | 23 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Petr Zvonicek | Marijn Dillen |
Customer experience
Conversions
Chemical Formulas Quiz
In-app purchases
Conversions
No in-app purchases
Chemical Formulas Quiz
No in-app purchases
Questions
Is Conversions free?
Is Chemical Formulas Quiz free?
Do Conversions or Chemical Formulas Quiz have ads?
Which is updated more often, Conversions or Chemical Formulas Quiz?
Other comparisons
