PSIS vs PSIS4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PSIS
This educational app provides students, parents, and lecturers with tools for managing class schedules, accessing digital materials, and tracking academic progress. Students can submit assignments and communicate with lecturers, while parents receive notifications and can view tuition fees.
- Class schedule management
- Digital lessons and materials
- Attendance and performance tracking
- Assignment submission
- Student-lecturer communication
- Parental notifications and fee tracking
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PSIS-BSL brings many features to the classroom : • Class schedule • Digital Lessons and Materials • Attendance and Performance Tracking For student: • Notification on upcoming academic activities • Submit assignment • Easy communication between student and lecturer outside the classroom • More features coming soon For Parents: • Notification when students are checked-in • Track students' homework and assignments • View Tuition Fee • Make Payment via mobile banking
PSIS4
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PSIS4 Mobile App is the platform for parents and students easily check and track the study performance, attendances, timetable, and much more. This platform has main functionality as below: - Track student attendance - Check student's study result - Check timetable - School announcements - Notifications - Invoices - Communicate between parents/students with school - ...
Screenshots
Verdict
The clearest difference is update cadence: PSIS at every 3 weeks against PSIS4's every 20 months. PSIS also leads on device support. On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PSIS ships an update every 3 weeks, PSIS4 every 20 months. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.
| Parameter | PSIS | PSIS4 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 weeks — better | Every 20 months |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 77 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Paññāsāstra University of Cambodia | YONG SOKHENG |
In-app purchases
PSIS
No in-app purchases
PSIS4
No in-app purchases
