Comparison

Estudylog vs Study timer; aquarium friends!

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

Head to head
About

Estudylog

Organize your academic life with a study tracker and timer. Log sessions, monitor progress, and calculate grade targets to study more effectively. Gain insights into your focus patterns and ensure comprehensive topic coverage.

Highlights
  • Course organization with goal dates
  • Study timer with session notes and ratings
  • Focus pattern insights
  • Grade calculator for target scores
  • Topic coverage tracking
  • Consistency visualization
Features
Read full description

MASTER YOUR STUDY ROUTINE. STUDY WITH MORE CLARITY. EstudyLog is a study tracker and study timer for high school, college, university, pre-med, and exam-prep students who want to organize courses, log study sessions, and understand their study habits. Track your study time by course, topic, and session type. See your streaks, calendar heat map, Peak Hours, Peak Days, and study charts in one place so you can study with more structure and less guesswork. WHY STUDENTS USE ESTUDYLOG * Study tracker built for real courses Create courses, add goal dates, final exams, key dates, and course outlines so all your studying stays organized. * Study timer with notes and session ratings Log Reading, Practice, Review, and Assignment sessions. Add notes while studying and rate each session based on focus and productivity. * Discover your Peak Hours and Peak Days Use Insights to see when you study best based on your own focus and productivity ratings. * Track topic coverage Attach sessions to course topics and see which parts of the syllabus you’ve covered and which ones still need attention. * Visualize consistency Use the contribution calendar, streaks, and study charts to see your habits over time and stay accountable. * Built for serious students Great for high school, university, college, pre-med, SAT, ACT, MCAT, LSAT, and self-directed learners who want structure, clarity, and measurable progress. FREE VS PLUS Free: Track limited sessions across up to 2 active courses. PLUS: Manage up to 100 courses and unlimited sessions. Study with more awareness, more consistency, and more intention—one session at a time. Terms of Use: https://estudylog.com/terms, https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Study timer; aquarium friends!

Features
Read full description

Study Timer is a study support app designed to help you track your study time, reduce smartphone distractions, and build better focus habits. Start a study session with the focus timer and your study time is recorded automatically. Check your daily goal progress and past study records to make it easier to keep studying every day. Study Timer also supports app blocking with Screen Time. Block distracting apps only while you study, or create a weekly study schedule that automatically blocks selected apps at set times on specific days. The more you study, the more your aquarium and axolotl grow. Study Timer makes tracking your progress simple—and a little more fun. Key Features: • Focus timer • Study time tracking • Daily study goals • Study history • App blocking while studying • Automatic app blocking by weekday • Add study schedules to Apple Calendar • Aquarium and axolotl growth • Advanced limits and analytics with PRO With Study Timer, build a simple routine: schedule your study time, focus, track your progress, and keep going. Terms of Use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://note.com/kazu_bigbridge/n/n1d71867fa18f

Screenshots

Estudylog4 screens
Study timer; aquarium friends!4 screens

Verdict

The call

The clearest difference is update cadence: Estudylog at every 3 days against Study timer; aquarium friends!'s every 9 days. Estudylog also leads on device support (4 vs 2) and iOS requirement (18.0 vs 26.5). On price, ads and in-app purchases 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. Estudylog sells 2 in-app purchases, starting at $3.99 per month and Study timer; aquarium friends! sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Estudylog ships an update every 3 days, Study timer; aquarium friends! every 9 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Estudylog versus Study timer; aquarium friends!: the parameters behind the verdict, then further details
ParameterEstudylogStudy timer; aquarium friends!
PriceFreeFree
Rating4.5 (54 ratings) — better—
Positive reviews78.3% of reviews—
Number of ratings54 — better—
Update frequencyEvery 3 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS18.0 — better26.5
Further details — not scored
Size74 MB54 MB
Age rating4+4+
DeveloperEstudylog inc.kazutoshi Ohashi

In-app purchases

2 purchases

Estudylog

Subscriptions2
  • EstudyLog Plus-Monthly$3.991 Month
  • Estudylog Plus-Annual$24.991 Year
1 purchases

Study timer; aquarium friends!

Subscriptions1
  • Monitoring Premium$1.991 Month

Questions

Is Estudylog free?
Estudylog is free to download, with in-app purchases available.
Is Study timer; aquarium friends! free?
Study timer; aquarium friends! is free to download, with in-app purchases available.
Do Estudylog or Study timer; aquarium friends! have ads?
Neither Estudylog nor Study timer; aquarium friends! shows ads.
Which is updated more often, Estudylog or Study timer; aquarium friends!?
Estudylog ships an update every 3 days, and Study timer; aquarium friends! every 9 days. Most recently, Estudylog was updated on October 14, 2026 and Study timer; aquarium friends! on October 8, 2026.

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