GearLab vs Valve Explorer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GearLab
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GearLab is an offline STEM education app for mechanical gears: animated simulations, system builder, engineering calculators, gear-type library, quizzes, challenges, and glossary. Designed for students and hobbyists to learn ratios, torque, and design concepts locally—no accounts or cloud. Not a substitute for certified engineering sign-off on real machinery.
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
The clearest difference is iOS requirement: Valve Explorer at 13.0 against GearLab's 15.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GearLab ships an update every 10 days, Valve Explorer weekly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | GearLab | Valve Explorer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Hadaf Hamada | Pham Van Thanh |
In-app purchases
GearLab
No in-app purchases
Valve Explorer
No in-app purchases
Questions
Is GearLab free?
Is Valve Explorer free?
Do GearLab or Valve Explorer have ads?
Which is updated more often, GearLab or Valve Explorer?
Other comparisons
