Comparison

Stack|自己投資アプリ vs KPass

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

Head to head
About

Stack|自己投資アプリ

Features
Read full description

自己投資にハマるための今ままでにないプラットフォーム

About

KPass

This app streamlines university life by integrating class schedules, assignments, and communication into one platform. It offers features like automatic schedule generation, deadline reminders, and attendance tracking to support busy students.

Highlights
  • Integrated class schedule with direct access to course pages
  • Unified assignment list with deadline grouping and reminders
  • Attendance tracking and management
  • Calendar and personal schedule integration
  • In-app communication and grade management
  • Social features for student interaction
  • Convenience tools like room finder and bus schedules
Features
Read full description

The timetable, course and campus app for Keio University students. Your timetable and today's assignments, the credits you still need to graduate, a 3D map of Hiyoshi, and campus dining hours. Everything you need for your day at Keio, in KPass. ■ Your timetable, in one place Add classes by searching the syllabus. You can also import your timetable from the K-Support course registration page, or from a screenshot of another timetable app. Quarter courses, Saturday classes and 7th period are supported. The Home tab shows today's classes and assignments at a glance. ■ How many credits until graduation? Import your transcript to see the credits you still need for graduation and promotion, by requirement category. From any category that is short, find classes that count toward it. ■ Help choosing your courses ・Syllabus: schedule, credits and term at a glance ・Rakutan Atsume: grading, attendance and exam notes left by students who took the class ・Upperclassmen's timetables, course advice, seminars, labs and scholarships ・Academic calendar: course registration, exams and class cancellations for each campus ■ Your campus, in 3D Maps for all six campuses: Hiyoshi, Mita, Yagami, Shonan Fujisawa, Shinanomachi and Shiba-Kyoritsu. ・Find classrooms on the 3D map (open it straight from a syllabus) ・Vacant classrooms: pick a day and period to see free rooms in each building ・Co-op and cafeteria hours, and Media Center opening hours ・Cafes, convenience stores and bookstores near campus ■ Widgets See your next class, assignments and academic calendar on your Home Screen. About K-LMS KPass accesses K-LMS only when you choose to import, opening Safari once to import your timetable or assignments. It does not log in automatically, fetch in the background, or keep your session alive. Imported assignments reflect the time they were fetched. Please note KPass is developed and operated by Technophere Inc. for students of Keio University. It is not an official app of Keio University. Always check official university announcements for final information on courses and facilities. Terms and privacy ・KPass Terms of Use: https://app.technophere.com/kpass-terms ・Privacy Policy: https://app.technophere.com/kpass-privacy ・Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stack|自己投資アプリ4 screens
KPass4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack|自己投資アプリ at none against KPass's 10. KPass's advantage is update cadence (every 4 days vs every 10 days). On price, ads, device support and iOS requirement 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. KPass sells 10 in-app purchases, starting at $0.99 per month. Stack|自己投資アプリ asks for nothing beyond the download.

UpkeepUpdate frequency

Stack|自己投資アプリ ships an update every 10 days, KPass every 4 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 6 level
Stack|自己投資アプリ versus KPass: the parameters behind the verdict, then further details
ParameterStack|自己投資アプリKPass
PriceFreeFree
Positive reviews—66.7% of reviews
Update frequencyEvery 10 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size41 MB127 MB
Age rating17+4+
DeveloperNagato KadoyaYUYA ITONAGA

In-app purchases

None

Stack|自己投資アプリ

No in-app purchases

10 purchases

KPass

Subscriptions3
  • KPass Plus (月額)$0.991 Month
  • KPass AI 使い放題$1.991 Month
  • KPass Pro (月額)$2.991 Month
One-time7
  • KPass AI 10パック$0.49
  • 開発者にお菓子をあげる$0.49
  • KPass AI 30パック$1.99
Show 4 more
  • 開発者にコーヒーをあげる$1.99
  • 開発者にピザをあげる$2.99
  • KPass AI 100パック$3.99
  • KPass Plus(買い切り)$5.99

Questions

Is Stack|自己投資アプリ free?
Stack|自己投資アプリ is free to download, with no in-app purchases.
Is KPass free?
KPass is free to download, with in-app purchases available.
Do Stack|自己投資アプリ or KPass have ads?
Neither Stack|自己投資アプリ nor KPass shows ads.
Which is updated more often, Stack|自己投資アプリ or KPass?
Stack|自己投資アプリ ships an update every 10 days, and KPass every 4 days. Most recently, Stack|自己投資アプリ was updated on October 14, 2026 and KPass on October 19, 2026.

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