Thinking Casebook vs ChemForge 9
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thinking Casebook
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Thinking Casebook is an on-device workspace for creating and revisiting case files and reflections. Build your own cases by writing short stories, adding reasoning questions, and recording perspective notes. Explore curated case libraries with simple guides, save reusable thinking tools on the Tool Shelf, and review Library Insights that summarize your saved work over time. All content stays on your device. There are no accounts, ads, analytics, or network features.
ChemForge 9
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ChemForge 9 is a Grade 9 chemistry practice studio focused on reasoning and writing. Work through prompts, explain ideas in your own words, and turn errors into corrections you can revisit. Scores are optional signals, while your saved notes and revisions become the real study material—kept locally on your device.
Screenshots
Verdict
Thinking Casebook and ChemForge 9 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Thinking Casebook | ChemForge 9 |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 19 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Trung Anh Ha Ngoc | Phuong Ma Thi |
In-app purchases
Thinking Casebook
No in-app purchases
ChemForge 9
No in-app purchases
Questions
Is Thinking Casebook free?
Is ChemForge 9 free?
Do Thinking Casebook or ChemForge 9 have ads?
Other comparisons
