Chemistry Formula Practice vs iORA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemistry Formula Practice
This app helps students master naming chemical compounds and writing formulas. It offers practice across various compound types, allowing users to choose their learning direction from formula to name or vice versa. Teachers can also utilize classroom codes for leaderboards and assessments.
- Name ionic and molecular compounds
- Write chemical formulas
- Practice acids, bases, and polyatomic ions
- Learn hydrocarbons and organic functional groups
- Choose learning direction (formula to name or name to formula)
- Teacher classroom leaderboards and assessments
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Chemistry Formulas Practice stimulates students’ mastery of the fundamental skill of naming compounds and writing formulas. The practice categories include ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Students may choose their pace as they work from formula to name or name to formula. **Teachers: Use a classroom code to have a leaderboard for just your classroom that tracks your students' scores or to obtain a quick assessment. Simply request a code and enter it into the iOS devices being used. All of this can be viewed by tapping the info button on the main page.
iORA
Visualize chemical reactions in 3D using quantum-mechanical simulations. This free, interactive application makes complex chemistry concepts accessible and engaging for learners.
- 3D chemical reaction visualization
- Quantum-mechanical simulations
- Interactive learning
- Easy to use interface
- Educational tool
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iORA is a free, easy to use, highly interactive smartphone application that provides 3D visualization of chemical reactions based on quantum-mechanical simulations.
Screenshots
Verdict
The clearest difference is rating: iORA at 5.0 against Chemistry Formula Practice's 4.3. iORA also leads on review sentiment (100% vs 70%) and update cadence (every 2 months vs every 11 months). Chemistry Formula Practice's advantage is iOS requirement (7.0 vs 14.3). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iORA holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 70% of Chemistry Formula Practice's written reviews are positive against 100% of iORA's.
Chemistry Formula Practice ships an update every 11 months, iORA every 2 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.
| Parameter | Chemistry Formula Practice | iORA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) | 5.0 (12 ratings) — better |
| Positive reviews | 70.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 14.3 |
| Further details — not scored | ||
| Size | 36 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Carolina Biological Supply | Daniel Ess |
Customer experience
Chemistry Formula Practice
iORA
In-app purchases
Chemistry Formula Practice
No in-app purchases
iORA
No in-app purchases
Questions
Is Chemistry Formula Practice free?
Is iORA free?
Which has better reviews, Chemistry Formula Practice or iORA?
Do Chemistry Formula Practice or iORA have ads?
Which is updated more often, Chemistry Formula Practice or iORA?
Other comparisons
