Comparison

Math Proof Studio vs ChemForge 9

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Math Proof Studio

Features
Read full description

Math Proof Studio is a proof-writing notebook built around ownership of your reasoning record. Write in a text-first editor, preserve every revision in a linked chain, and run deterministic protocol checks (not grades). Curate selected work into exportable Evidence Packs for sharing or archival.

About

ChemForge 9

Features
Read full description

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 materialβ€”kept locally on your device.

Screenshots

Math Proof Studio4 screens
ChemForge 94 screens

Verdict

The call

Math Proof Studio and ChemForge 9 are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Math Proof Studio versus ChemForge 9: the parameters behind the verdict, then further details
ParameterMath Proof StudioChemForge 9
PriceFreeFree
Update frequencyβ€”Fortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details β€” not scored
Size18 MB31 MB
Age rating4+4+
DeveloperPhung Thi HaPhuong Ma Thi

In-app purchases

None

Math Proof Studio

No in-app purchases

None

ChemForge 9

No in-app purchases

Questions

Is Math Proof Studio free?
Math Proof Studio is free to download, with no in-app purchases.
Is ChemForge 9 free?
ChemForge 9 is free to download, with no in-app purchases.
Do Math Proof Studio or ChemForge 9 have ads?
Neither Math Proof Studio nor ChemForge 9 shows ads.

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