Comparison

Goocus vs js

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

Head to head
About

Goocus

This mobile learning application is designed for smartphones, offering a user-friendly interface to make acquiring new knowledge enjoyable. It visualizes user achievements with graphs, aiming to reintroduce the fun of learning for individuals and organizations.

Highlights
  • Smartphone-optimized design
  • Achievement visualization graphs
  • User-friendly interface
  • Focus on making learning fun
  • Adopted by businesses and institutions
Features
Read full description

Note: You will need to create a Goocus account before using this app. Overview: Goocus is Japan’s one-and-only learning app “specialized on Smartphones,” which has been adopted by a number of business enterprises and educational institutions. Features: A design that pursues user-friendliness on smartphones Graphs visualizing the achievements In nature, gaining a new knowledge is a fun thing to do. With Goocus, bring back the fun of “learning” that you have left behind somewhere.

About

js

Features
Read full description

Explanation: STAR is a nickname for statistical analysis program developed for personal computers.(STatistical Analysis Rescuers). Main functions · Fisher's exact test 1 x 2 · Fisher's exact test 1 x 2 (P1 not equal P2) · Fisher's exact test 2 x 2 · Chi-square Test 1 x J · Chi-square Test i x J · Add Grade1 x 2 ■Method of use (1) Start the "js-STAR" app. (2) Tap the [ frequency test ] button (3) Enter a number where two or four square cells are displayed. (4) Tap the [ Calculate!" ] Button. (5) Result is output to the TextField. ■Disclaimer (1) This may not run correctly depending on the iOS version or model. (2) The creator shall not bear any responsibility for any damage caused to the user when downloading the app.

Screenshots

Goocus4 screens
js4 screens

Verdict

The call

Goocus and js 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Goocus ships an update every 6 weeks, js every 2 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

ScorecardNo meaningful differences
Goocus versus js: the parameters behind the verdict, then further details
ParameterGoocusjs
PriceFreeFree
Positive reviews30.8% of reviews—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size5 MB1 MB
Age rating17+9+
DeveloperCastalia Co. Limited.Hiroyuki Nakano

In-app purchases

None

Goocus

No in-app purchases

None

js

No in-app purchases

Questions

Is Goocus free?
Goocus is free to download, with no in-app purchases.
Is js free?
js is free to download, with no in-app purchases.
Do Goocus or js have ads?
Neither Goocus nor js shows ads.
Which is updated more often, Goocus or js?
Goocus ships an update every 6 weeks, and js every 2 months. Most recently, Goocus was updated on October 4, 2026 and js on October 2, 2026.

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