ChemForge 9 vs StrataLab 11
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
StrataLab 11
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StrataLab 11 is a Grade 11 STEM studio for math, physics, and chemistry. Complete focused Lab Runs that guide reasoning and require you to write. Each run finishes by saving a student-made artifact—an explanation, a repair note, or a formula page—so your progress becomes a personal workshop notebook you can revisit and improve.
Screenshots
Verdict
ChemForge 9 and StrataLab 11 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 | ChemForge 9 | StrataLab 11 |
|---|---|---|
| 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 | 31 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Phuong Ma Thi | Trung Duc Nguyen |
In-app purchases
ChemForge 9
No in-app purchases
StrataLab 11
No in-app purchases
Questions
Is ChemForge 9 free?
Is StrataLab 11 free?
Do ChemForge 9 or StrataLab 11 have ads?
Other comparisons
