Structural Formulas Study vs C.chem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Structural Formulas Study
Explore and study over 100 molecular structures with detailed properties and clear diagrams. This app offers quick search and filtering for efficient exam preparation and daily learning, with offline access available.
- 100+ molecular structures
- Detailed structural formulas
- Essential chemical properties
- Quick search and filters
- Offline access
- Exam preparation tool
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Learn chemistry the easy way. Explore, search, and filter over 100 molecular structures with clear diagrams and essential data — perfect for exam prep or daily study. Features - 100+ molecules - Structural formulas with detailed properties (mass, density, pKa, etc.) - Quick search & category filters - Offline access – no internet required - Ideal for high school & college chemistry students Make chemistry study simple, efficient, and always at your fingertips!
C.chem
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Randomly generated structural formulas across 6 levels (early high school up to university), each with 3 difficulty levels. Excellent practice material for any pupil or student studying chemistry. The breakdown and content of the levels: Lvl 1: alkanes and simple alkenes Lvl 2: Lvl 1 + more alkenes, simple branching, alcohols Lvl 3: Lvl 2 + acids, amines, halogens Lvl 4: Lvl 3 + alkynes, benzene and cyclic compounds (middle high school) Lvl 5: Lvl 4 + cis/trans isomerism, recognizing asymmetric carbon atoms, thiols, aldehydes, ketones, nitro compounds, etc. (late high school) Lvl 6: Lvl 5 + E/Z and R/S nomenclature, simple heterocyclic compounds (college, university)
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Verdict
The clearest difference is update cadence: C.chem at every 3 days against Structural Formulas Study's every 5 weeks. C.chem also leads on iOS requirement (15.0 vs 18.4). On price, ads, in-app purchases and device support 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.
Structural Formulas Study ships an update every 5 weeks, C.chem every 3 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | Structural Formulas Study | C.chem |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | Jun Yamabe | Hans Kovi |
In-app purchases
Structural Formulas Study
No in-app purchases
C.chem
No in-app purchases
Questions
Is Structural Formulas Study free?
Is C.chem free?
Do Structural Formulas Study or C.chem have ads?
Which is updated more often, Structural Formulas Study or C.chem?
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