VPN vs Science Explorer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VPN
Easily protect your online activity with a single tap. Choose your server location or let the app intelligently select the best route for your connection. Designed for simplicity and privacy, it offers a clear interface for managing your VPN session.
- One-tap connect
- Server location selection
- Smart routing
- Session details panel
- System Personal VPN integration
- Simple onboarding
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Fast Secure VPN helps you connect quickly and stay in control. Use a clear Connect screen to start protection, pick where traffic exits, or let the app choose a smart route when you prefer not to think about it. What you can do • One-tap connect — Straightforward states for standby, connecting, connected, or when you should try again. • Servers your way — Browse locations, use smart pick or manual mode, and see what applies to your next session. • Panel at a glance — Session details, routing hints, and tips when you want quick guidance. • Built for iPhone — Uses the system Personal VPN experience, consistent with other trusted VPN apps on iOS. • Simple onboarding — Understand what happens the first time iOS asks for VPN permission. On public Wi‑Fi, while traveling, or whenever you want an extra layer for daily use, Fast Secure VPN is designed to stay simple—not cluttered. Important: VPN features depend on network conditions and local regulations. Some networks or regions may restrict VPN usage. Privacy & terms Privacy Policy: https://tunnelnova.xyz/p.html Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Science Explorer
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Science Explorer - the smart way to master science! Built for the curriculum, Science Explorer covers Year 7 through Year 10 with 8 topics, 118 levels, and 1,950+ real science questions. YEAR 7-8 TOPICS (10 levels each): - Chemistry — Atoms, elements, reactions & the periodic table (220+ questions) - Biology — Cells, body systems, ecosystems & genetics (200+ questions) - Physics — Forces, energy, electricity & motion (200+ questions) - Earth Science — Rocks, plate tectonics, weather & space (200+ questions) - Scientific Method — Experiments, variables, data & lab safety (200+ questions) YEAR 9-10 TOPICS (20 levels each): - Chemistry II — Bonding, moles, stoichiometry & organic chemistry (250+ questions) - Biology II — DNA, evolution, human physiology & disease (250+ questions) - Physics II — Waves, electromagnetism, nuclear & quantum (250+ questions) - New Space & Universe topic — 80 questions across 8 levels LEARN FROM EVERY MISTAKE: Every question includes a detailed explanation. Correct answers auto-advance so you keep your flow. Wrong answers show the solution — tap to review, then move on. SMART PLACEMENT TEST: A quick placement quiz on first launch determines your starting level automatically. GAMIFIED LEARNING: - Earn 1-3 stars on every level - Build answer streaks for bonus XP - Level up and unlock 30 achievements - Compete on the global leaderboard - Complete the daily challenge for extra rewards 1,950+ QUESTIONS across 110 levels — every quiz draws from a large pool so it's different every time. All aligned to the Curriculum. Created by A Star Learner — helping students achieve their best.
Screenshots
Verdict
The clearest difference is in-app purchases: Science Explorer at none against VPN's 3. Science Explorer also leads on update cadence (every 9 days vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement 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. VPN sells 3 in-app purchases, starting at $3.99 per 7 days. Science Explorer asks for nothing beyond the download.
VPN ships an update every 3 months, Science Explorer every 9 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | VPN | Science Explorer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (18 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 131 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | DigitalMatrix Information Technologies Limited | Dung Ba Nguyen |
In-app purchases
VPN
- Weekly Premium$3.997 Days
- Monthly Premium$7.991 Month
- Annual Premium$49.991 Year
Science Explorer
No in-app purchases









