Comparison

Lock In vs Science Explorer

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

Head to head
About

Lock In

This app helps you focus by blocking distracting applications during timed work sessions. Set durations, choose apps to block, and track your productive time and streaks. Ideal for building better digital habits and reducing screen time.

Highlights
  • Block distracting apps
  • Set custom focus timers
  • Track productive hours
  • Visualize progress and streaks
  • Build better digital habits
Features
Read full description

Lock In helps you stay focused and productive by blocking distracting apps during timed work sessions. Set your focus duration, select apps to block, and commit to distraction-free deep work. Track your progress with detailed statistics and visualizations that show your productive hours, longest streaks, and consistency over time. Perfect for students, professionals, and anyone looking to build better digital habits and reclaim their time from endless scrolling.

About

Science Explorer

Features
Read full description

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

Lock In4 screens
Science Explorer4 screens

Verdict

The call

The clearest difference is in-app purchases: Science Explorer at none against Lock In's 1. Science Explorer also leads on ads (none vs shown). Lock In's advantage is update cadence (daily vs every 9 days) and iOS requirement (13.4 vs 15.1). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lock In sells 1 one-off in-app purchase. Science Explorer asks for nothing beyond the download.

UpkeepUpdate frequency

Lock In ships an update daily, Science Explorer every 9 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
Lock In versus Science Explorer: the parameters behind the verdict, then further details
ParameterLock InScience Explorer
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyDaily — betterEvery 9 days
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.4 — better15.1
Further details — not scored
Size29 MB30 MB
Age rating12+4+
DeveloperEli YoungDung Ba Nguyen

In-app purchases

1 purchases

Lock In

One-time1
  • Lock In Premium (No Ads)$4.99
None

Science Explorer

No in-app purchases

Questions

Is Lock In free?
Lock In is free to download, with in-app purchases available.
Is Science Explorer free?
Science Explorer is free to download, with no in-app purchases.
Do Lock In or Science Explorer have ads?
Lock In shows ads; Science Explorer does not.
Which is updated more often, Lock In or Science Explorer?
Lock In ships an update daily, and Science Explorer every 9 days. Most recently, Lock In was updated on October 14, 2026 and Science Explorer on October 2, 2026.

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