ISB Brussels vs CGPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISB Brussels
Access school news, calendar events, communications, and a directory. This app requires a Community Portal login for access to sensitive information, ensuring privacy for the school community.
- News updates
- Calendar events
- School communications
- School directory
- Useful resources
- Quick links
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The International School of Brussels app provides easy access to information on the Community Portal via mobile devices. The app includes: • News • Calendar events • School communications • School Directory • Useful resources • Quick links Please note that privacy controls restrict sensitive information to members of the ISB community. A Community Portal login and password is required.
CGPS
This is the official mobile application for Columbia Grammar and Preparatory School. It provides a direct channel for students, parents, and staff to access school-related information and updates.
- Official school communication
- Access school information
- Receive updates
- For students, parents, and staff
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The official app of Columbia Grammar and Preparatory School.
Screenshots
Verdict
The clearest difference is rating: CGPS at 5.0 against ISB Brussels's 2.5. CGPS also leads on update cadence (every 3 months vs every 6 months) and ratings volume (9 vs 2). On price, ads, in-app purchases and monetization model 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.
CGPS holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 9 respectively.
ISB Brussels ships an update every 6 months, CGPS every 3 months. Both last shipped on September 16, 2026.
| Parameter | ISB Brussels | CGPS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 9 — better |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 14.0 — better |
| Further details — not scored | ||
| Size | 69 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | The International School of Brussels | Columbia Grammar and Preparatory School (NY) |
Customer experience
ISB Brussels
CGPS
In-app purchases
ISB Brussels
No in-app purchases
CGPS
No in-app purchases
Questions
Is ISB Brussels free?
Is CGPS free?
Which has better reviews, ISB Brussels or CGPS?
Do ISB Brussels or CGPS have ads?
Which is updated more often, ISB Brussels or CGPS?
Other comparisons
