ForceForge 9 vs Valve Explorer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ForceForge 9
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ForceForge 9 is a Grade 9 physics practice studio designed like a personal lab notebook. Students complete short workshop runs, explain their reasoning, and save LabNotes. When a mistake happens, a FixCard records the misconception and corrected rule to support long-term understanding.
Valve Explorer
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Valve Explorer is an educational reference for industrial and engineering valves. Learn valve types, applications, and terminology with quizzes and flashcards. Fully offline.
Screenshots
Verdict
ForceForge 9 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ForceForge 9 | 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 | Dinh Le Thi | Pham Van Thanh |
In-app purchases
ForceForge 9
No in-app purchases
Valve Explorer
No in-app purchases
Questions
Is ForceForge 9 free?
Is Valve Explorer free?
Do ForceForge 9 or Valve Explorer have ads?
Other comparisons
