DRIFTNATION vs Valve Explorer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DRIFTNATION
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Guide a migrating civilization through crisis, route splits, settlement growth, cultural drift, and generational outcomes. Each turn changes the map and the archive of your people.
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 update cadence: Valve Explorer at weekly against DRIFTNATION's every 5 weeks. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DRIFTNATION ships an update every 5 weeks, Valve Explorer weekly. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.
| Parameter | DRIFTNATION | Valve Explorer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Weekly — better |
| 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 | 34 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiep Khong Van | Pham Van Thanh |
In-app purchases
DRIFTNATION
No in-app purchases
Valve Explorer
No in-app purchases
Questions
Is DRIFTNATION free?
Is Valve Explorer free?
Do DRIFTNATION or Valve Explorer have ads?
Which is updated more often, DRIFTNATION or Valve Explorer?
Other comparisons
