Comparison

Physics Formula Master 9 vs H

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

Head to head

Physics Formula Master 9

Physics formulas Master

Free

📚 Education

No ratingsView app →

Decision Reduction Studio

Free

📚 Education

No ratingsView app →

About

Physics Formula Master 9

Features

Read full description

Physics Formula Master 9 provides a comprehensive collection of essential physics formulas across various topics. Perfect for quick reference during studies or exams.

About

H

Features

Read full description

OptionCollapse is an offline decision reduction app that helps users finish a choice instead of keeping options open forever. Start with 3-6 options, eliminate one at a time through structured modes, reach the final pair, and commit to one winner. Each completed run is saved as a read-only Collapse Card with timeline, reasoning, and version history.

Screenshots

Physics Formula Master 94 screens

H4 screens

Verdict

The call

The clearest difference is update cadence: H at every 2 days against Physics Formula Master 9's every 6 days. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Physics Formula Master 9 ships an update every 6 days, H every 2 days. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

Scorecard1 real difference · 5 level

Physics Formula Master 9 versus H: the parameters behind the verdict, then further details
Parameter	Physics Formula Master 9	H
Price	Free	Free
Update frequency	Every 6 days	Every 2 days — better
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	21 MB	21 MB
Age rating	4+	4+
Developer	Thu Linh Bui	Thu Nguyen Thi Anh

In-app purchases

None

Physics Formula Master 9

No in-app purchases

None

H

No in-app purchases

Questions

Is Physics Formula Master 9 free?

Physics Formula Master 9 is free to download, with no in-app purchases.

Is H free?

H is free to download, with no in-app purchases.

Do Physics Formula Master 9 or H have ads?

Neither Physics Formula Master 9 nor H shows ads.

Which is updated more often, Physics Formula Master 9 or H?

Physics Formula Master 9 ships an update every 6 days, and H every 2 days. Most recently, Physics Formula Master 9 was updated on September 11, 2026 and H on September 12, 2026.