Comparison

DecisionMirror vs Valve Explorer

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

Head to head

DecisionMirror

Decision Process Studio

Industrial Valves Reference

Free

📚 Education

No ratingsView app →

About

DecisionMirror

Features

Read full description

DecisionMirror is a structured decision-process reflection studio. Reconstruct how choices were made by reviewing context, assumptions, pressure, alternatives, and reasoning paths.

About

Valve Explorer

Read full description

Valve Explorer is an educational reference for industrial and engineering valves. Learn valve types, applications, and terminology with quizzes and flashcards. Fully offline.

Screenshots

DecisionMirror4 screens

Valve Explorer4 screens

Verdict

The call

DecisionMirror and Valve Explorer 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

CostPrice · In-app purchases · Ads · Monetization

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

ScorecardNo meaningful differences

DecisionMirror versus Valve Explorer: the parameters behind the verdict, then further details
Parameter	DecisionMirror	Valve Explorer
Price	Free	Free
Update frequency	—	Weekly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	27 MB	57 MB
Age rating	4+	4+
Developer	Lam Dao Van	Pham Van Thanh