Comparison

Bully 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

Bully

This app acts as a strict task manager to help you overcome procrastination and boost productivity. It uses aggressive, un-ignorable reminders to ensure your to-do list gets completed without coddling.

Highlights
  • Aggressive task reminders
  • Procrastination elimination
  • Smart scheduling
  • Unignorable push notifications
  • No-nonsense approach
Read full description

Bully – The No-Excuses Task Master Tired of “gentle” reminder apps you can blissfully ignore? Bully is your unapologetic drill sergeant that turns procrastination into productivity...fast. No coddling, no cute badges, just a relentless push to get your to-dos DONE. Why Bully Works App With an Attitude Smart Scheduling – Auto-generated reminders hit you when you’re most likely to skip out, using true push notifications that can’t be silenced by “Do It Later” wishful thinking. Download Bully today, embrace the roast, and watch your productivity explode. Stop asking politely. Start getting things DONE. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY POLICY: https://getbullyapp.com/privacy-policy

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

Bully4 screens
Science Explorer4 screens

Verdict

The call

The clearest difference is in-app purchases: Science Explorer at none against Bully's 4. Science Explorer also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). Bully's advantage is update cadence (every 3 days vs every 9 days). On price and ads 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. Bully sells 4 in-app purchases, starting at $2.49 per 7 days. Science Explorer asks for nothing beyond the download.

UpkeepUpdate frequency

Bully ships an update every 3 days, Science Explorer every 9 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
Bully versus Science Explorer: the parameters behind the verdict, then further details
ParameterBullyScience Explorer
PriceFreeFree
Rating4.7 (12 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings12 — better—
Update frequencyEvery 3 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size2 MB30 MB
Age rating17+4+
DeveloperMVP App Studio, LLCDung Ba Nguyen

In-app purchases

4 purchases

Bully

Subscriptions4
  • Bully Pro Weekly$2.497 Days
  • Bully Pro Monthly$9.991 Month
  • Bully Pro Yearly$19.991 Year
Show 1 more
  • Bully Pro Yearly3 Days trial$29.991 Year
None

Science Explorer

No in-app purchases

Questions

Is Bully free?
Bully 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 Bully or Science Explorer have ads?
Neither Bully nor Science Explorer shows ads.
Which is updated more often, Bully or Science Explorer?
Bully ships an update every 3 days, and Science Explorer every 9 days. Most recently, Bully was updated on October 24, 2026 and Science Explorer on October 18, 2026.

Other comparisons