Comparison

Gokaku Quest vs Densha Timer

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

Head to head
About

Gokaku Quest

This quiz app helps elementary school students master social studies for junior high school entrance exams. It features quests covering geography, history, and civics, with a growing character and progress tracking to make learning engaging and reinforce knowledge.

Highlights
  • Subject-specific quizzes for junior high entrance exams
  • Illustrated explanations for better understanding
  • Growing main character with level-ups
  • Visible progress and correct answer count
  • Quick-paced quizzes for short study sessions
Features
Read full description

Gokaku Quest brings Japanese school subjects, qualification exams, language study and driving theory practice together in one learning app. Choose from 12 available subjects and grow a kingdom of 16 territories as you learn. AVAILABLE SUBJECTS School (entrance exams): Science, Social Studies, Japanese language arts and Mathematics. Qualifications: Real Estate (TakKen), Financial Planning (FP), Bookkeeping, IT Passport and SPI3. Languages: Japanese (JLPT, JFT-Basic and daily life) and practical English. Driving theory: free to study. STUDY YOUR WAY Choose a subject, follow a course map or unit list, answer short quizzes and read explanations. Browse illustrated reference pages, replay supported audio and revisit missed questions. Track progress and use separate learner profiles. KINGDOM MAP Correct answers earn experience and raise your kingdom's rank. Each rank opens new land around the capital — 15 territories such as a harbor town, a lakeside town and a snow country — where you place buildings and watch your towns grow. FREE & PRO Free learning content is provided, including driving theory. Eligible premium content is offered via auto-renewing Pro subscriptions (one subject, the four school subjects, or all subjects). Check current pricing, renewal terms and included courses on the in-app purchase sheet. Restore eligible previous purchases. Some content requires a download. Most Japanese examination materials are in Japanese; multilingual guidance and audio availability vary by course. This is an independent study aid, not an official examination body app. Exam success is not guaranteed. Privacy: https://trailfusionai.com/gokaku-quest-privacy.html Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Densha Timer

Features
Read full description

Train Timer is a child-friendly visual timer that shows time passing as a train moving around a circular track. Children can see where they are now, how far they have gone, and how much time is left before the finish. It can be used for getting ready, homework, cleanup, brushing teeth, practice, breaks, and other daily activities. Choose the time and number of stops, then tap Start. You can also create activity cards and save timer history by activity. Records stay on this device. No login, ads, analytics, or external tracking.

Screenshots

Gokaku Quest4 screens
Densha Timer4 screens

Verdict

The call

Gokaku Quest and Densha Timer are too close to call on the numbers: across 6 compared parameters — price, update cadence, 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. Gokaku Quest sells 8 in-app purchases, starting at $2.99 per month and Densha Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gokaku Quest ships an update every 3 days, Densha Timer every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
Gokaku Quest versus Densha Timer: the parameters behind the verdict, then further details
ParameterGokaku QuestDensha Timer
PriceFreeFree
Positive reviews63.6% of reviews—
Update frequencyEvery 3 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size274 MB5 MB
Age rating4+4+
Developerhiroaki yuasaKanae Tani

In-app purchases

8 purchases

Gokaku Quest

Subscriptions8
  • 英語 Pro(月額)$2.991 Month
  • SPI3 Pro(月額)$2.991 Month
  • Quest 全科目 Pro 2026(月額)$24.991 Month
Show 5 more
  • 日本語 Pro(年額)$29.991 Year
  • 英語 Pro(年額)$29.991 Year
  • SPI3 Pro(年額)$29.991 Year
  • 中学受験4科 Pro(年額)$69.991 Year
  • Quest 全科目 Pro 2026(年額)$199.991 Year
1 purchases

Densha Timer

One-time1
  • Custom Emoji$2.99

Questions

Is Gokaku Quest free?
Gokaku Quest is free to download, with in-app purchases available.
Is Densha Timer free?
Densha Timer is free to download, with in-app purchases available.
Do Gokaku Quest or Densha Timer have ads?
Neither Gokaku Quest nor Densha Timer shows ads.
Which is updated more often, Gokaku Quest or Densha Timer?
Gokaku Quest ships an update every 3 days, and Densha Timer every 2 days. Most recently, Gokaku Quest was updated on October 25, 2026 and Densha Timer on October 24, 2026.

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