Chemist Calc vs Heterocycles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemist Calc
This app serves as a smart chemistry calculator for converting between moles and grams. It also provides a comprehensive periodic table with element specifications and unit conversion tools.
- Mole to gram conversion
- Gram to mole conversion
- Periodic table with element specifications
- Unit conversion
- Learn chemistry signs
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Chemist Calc is a very smart chemist calculator. You can calculate moles to gram or gram to moles. You also have the whole periodic table elements with specification inside. You can convert between different units and also learn about all chemistry signs.
Heterocycles
Master the names and applications of organic chemistry's heterocycles. This interactive app covers over 75 compounds with hundreds of examples and personalized review modes. Track your progress with achievements and learn about their roles in medicine and biology.
- 75+ heterocycles
- Hundreds of examples
- Multiple practice modes
- Personalized review
- Reference table
- Achievements
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Learn the names of heterocycles - all in an engaging and interactive format. If you’re puzzled by pyridines, quizzical about quinazolines, or interested in indolines, look no further. You’ll quickly become familiar with the most important nitrogen-, oxygen-, and sulfur-containing heterocycles, along with their applications in medicinal chemistry, biology, and beyond. The app features: • 75+ simple and advanced heterocycles • Hundreds of examples • Multiple practice modes • Personalized review • Reference table and definitions • Achievements to track your progress Along the way, you’ll learn interesting facts about pharmaceuticals, biomolecules, dangerous compounds, unique molecular structures, and more. Give it a try and let us know what you think!
Screenshots
Verdict
The clearest difference is monetization model: Chemist Calc at free against Heterocycles's free with in-app purchases. On price, rating, ratings volume and update cadence 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. Chemist Calc sells 1 one-off in-app purchase and Heterocycles sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Chemist Calc against 5.0 for Heterocycles. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Chemist Calc ships an update every 9 months, Heterocycles every 11 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.
| Parameter | Chemist Calc | Heterocycles |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | ilan TETRUASHVILI | Clarity Applications |
Customer experience
Chemist Calc
Heterocycles
In-app purchases
Chemist Calc
- Remove Ad's$0.99
Heterocycles
- Lifetime Access$4.99
Questions
Is Chemist Calc free?
Is Heterocycles free?
Which has better reviews, Chemist Calc or Heterocycles?
Do Chemist Calc or Heterocycles have ads?
Which is updated more often, Chemist Calc or Heterocycles?
Other comparisons
