Comparison

Keep Track 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

Keep Track

This app allows you to log and monitor daily, weekly, or monthly activities, habits, and data. Visualize your progress with list, table, or calendar views, and use home screen widgets for quick access. Create custom notebooks for any tracking need.

Highlights
  • Daily, weekly, monthly tracking
  • Personal log, database, habit tracker
  • List, table, calendar views
  • Home screen widgets
  • Customizable notebooks
  • Streak stats
  • Year view
Features
Read full description

Keep track of anything that happens on a daily, weekly, or monthly basis.... like your activities, your workouts, your weight, your eating habits, your kids sports scores, hours worked, business expenses, and miles traveled. Use it as a personal log, database, or habit tracker. View notes in a list view, a table view, or a calendar view to quickly see habits and progress a month or a year at a time. You can also use widgets to see your items on your phone's home screen. Just create a notebook for anything you want and start tracking your data. No monthly subscription! A one-time In-App Purchase gets you: * More notebook colors to choose from * Ability to choose which notebooks are displayed on the home page * Streak stats * Year view * Beta features

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

Keep Track4 screens
Science Explorer4 screens

Verdict

The call

The clearest difference is in-app purchases: Science Explorer at none against Keep Track's 1. Science Explorer also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads 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. Keep Track sells 1 one-off in-app purchase. Science Explorer asks for nothing beyond the download.

UpkeepUpdate frequency

Keep Track ships an update every 2 weeks, Science Explorer every 9 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Keep Track versus Science Explorer: the parameters behind the verdict, then further details
ParameterKeep TrackScience Explorer
PriceFreeFree
Rating4.8 (28 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings28 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size2 MB30 MB
Age rating4+4+
DeveloperDustin WiensDung Ba Nguyen

In-app purchases

1 purchases

Keep Track

One-time1
  • Premium Upgrade$4.99
None

Science Explorer

No in-app purchases

Questions

Is Keep Track free?
Keep Track 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 Keep Track or Science Explorer have ads?
Neither Keep Track nor Science Explorer shows ads.
Which is updated more often, Keep Track or Science Explorer?
Keep Track ships an update every 2 weeks, and Science Explorer every 9 days. Most recently, Keep Track was updated on October 7, 2026 and Science Explorer on October 2, 2026.

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