Comparison

Simple Study Log vs Gokaku Log

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

Head to head
About

Simple Study Log

This app helps you start studying faster with a minimalist timer and stopwatch. Track your sessions, view progress with charts, and utilize widgets and Siri for seamless integration into your routine. An optional premium upgrade removes ads and adds a calendar heatmap.

Highlights
  • Minimalist study timer
  • Stopwatch mode
  • Widget support
  • Lock Screen & Dynamic Island integration
  • Siri & Shortcuts automation
  • iCloud sync
  • Progress charts and stats
Features
Read full description

Study Log is a minimalist study timer built for one thing: helping you start studying faster. No subjects, no tags, no setup. Just tap Start. Use Timer or Stopwatch, stay focused with a clear, easy-to-read running screen, and save your session in seconds. Then review your effort with charts and stats. Made to fit your routine ・Start, pause, resume, and save from Widgets ・Track sessions on the Lock Screen & Dynamic Island with Live Activities ・Use Siri & Shortcuts to automate actions ・Keep your records safe with iCloud sync Key features (Free) ・Timer & Stopwatch modes ・Clean session history ・Weekly/monthly graphs + averages ・iCloud sync across devices Optional in-app purchase (Premium) ・Remove ads ・Calendar heatmap view (visualize study density) Start faster. Stay consistent. See progress. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Gokaku Log

This app helps you track study time for certification exams. It features a Pomodoro-ready timer, automatic progress visualization, and exam countdowns. Designed for busy individuals, it supports various exams and helps you stay motivated towards your goals.

Highlights
  • Study timer with Pomodoro support
  • Automatic study time visualization
  • Exam date countdown
  • Subject and material registration
  • Goal management and progress tracking
  • Offline functionality
Features
Read full description

"Gokaku Log" is a study-record app that supports your daily exam study all the way to passing. A simple, easy-to-keep-up study timer & record tool for busy working adults and students. ■ Recommended for - Aiming for certification exams such as bookkeeping, Real Estate Transaction Specialist (Takken), Administrative Scrivener, Labor & Social Security Attorney (Sharoshi), FP, or TOEIC - Wanting to visualize study time and stay motivated - Wanting to make good use of spare moments — commuting, lunch breaks, before bed - Wanting to solve "I can't focus" and "I can't keep it up" - Wanting to reverse-calculate the days and study hours left until the exam - Wanting to review progress in graphs and see the road to passing ■ Main features [1] Study timer (Pomodoro-ready) - Auto-record study time with one tap - Both stopwatch and countdown modes - Pomodoro Technique: 25 min focus + 5 min break - Keeps recording in the background while the timer runs [2] Automatic study graphs - Visualize study time by day / week / month / year - Stacked graphs by subject (material) - Spot study imbalances at a glance - Calendar view shows your streak [3] Exam-date countdown - Register the dates of exams you plan to take - Check "X days left" on your home screen daily - Manage multiple exams at once (parallel exams supported) - Auto-calculate required daily study hours by reverse calculation from your target [4] Subject & material registration - Freely register materials for each exam - Tag by subject (Civil Law / Accounting / Grammar, etc.) - Total accumulated time per material - Set icons for your reference books [5] Goal management toward passing - Set your exam date and total target hours - Shows your recommended daily study time - Achievement badges reward you for keeping going - Shows your consecutive study days (streak) [6] Saving & reviewing your data - Auto-generate weekly / monthly reports - Feel your growth: "studied X more hours than last month" - Back up & restore your data - iCloud sync for peace of mind when changing devices ■ 5 reasons people choose Gokaku Log 1. Designed specifically for certification exams Built not for university entrance, but for working adults aiming for national exams. Supports every qualification — bookkeeping, Takken, Sharoshi, nursing and civil-service exams, FP, TOEIC, IT, and more. 2. Simple and easy to keep up Just two taps from launch to recording. No complex setup — start today. 3. Designed not to break your focus Notifications off while studying, minimal ads, dark-mode support. Focus first. 4. Exam-date reverse-calculation algorithm Enter the total hours you need to pass, and it auto-calculates the daily hours required. Aim for passing with a plan. 5. Works fully offline Use it on the train or in a café, with no connection. Privacy-safe — data stays on your device. ■ Examples of supported qualifications & exams - Bookkeeping (Nisshō levels 1–3) - Real Estate Transaction Specialist (Takken) - Administrative Scrivener - Labor & Social Security Attorney (Sharoshi) - Financial Planner (FP / AFP / CFP) - TOEIC / TOEFL / Eiken - IT Passport / Fundamental & Applied IT Engineer - National nursing & pharmacist exams - Civil-service exams (national / local / police / fire) - Teacher recruitment, SME Management Consultant, Registered Sales Clerk - Medical & dispensing office work, various certification tests * Plus every other qualification, certification, and national exam ■ About pricing - All core features are free - Premium (optional) removes ads, allows unlimited material registration, and enables data export ■ Support For feedback and requests, please reach us via "Contact" inside the app. We'll keep improving Gokaku Log into an app that supports your success, reflecting your input. With Gokaku Log, turn your daily efforts into "passing." Why not start visualizing your study today? Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simple Study Log4 screens
Gokaku Log4 screens

Verdict

The call

Simple Study Log and Gokaku Log are too close to call on the numbers: across 7 compared parameters — price, review sentiment, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Simple Study Log sells 1 in-app purchase, starting at $0.99 per month and Gokaku Log sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Simple Study Log versus Gokaku Log: the parameters behind the verdict, then further details
ParameterSimple Study LogGokaku Log
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequency—Every 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size13 MB8 MB
Age rating4+4+
Developerishida yutokizuna yoshihara

Customer experience

Simple Study Log

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Gokaku Log

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Simple Study Log

Subscriptions1
  • Premium Plan7 Days trial$0.991 Month
1 purchases

Gokaku Log

Subscriptions1
  • 広告削除(年払い)$9.991 Year

Questions

Is Simple Study Log free?
Simple Study Log is free to download, with in-app purchases available.
Is Gokaku Log free?
Gokaku Log is free to download, with in-app purchases available.
Do Simple Study Log or Gokaku Log have ads?
Both Simple Study Log and Gokaku Log show ads.

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