TGS App vs 90PLUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TGS App
Stay connected with your school community through instant updates, event calendars, and digital newsletters. This app provides quick access to important school information and contact details, ensuring you never miss a beat.
- Instant school updates via push notifications
- School calendar with event subscriptions
- Digital newsletter delivery
- Quick contact directory
- Customizable notification settings
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Bridge the gap between home and school with the Trinity Grammar School app, developed by Digistorm. Receive instant information about Trinity Grammar School, push notifications for urgent updates, school newsletters and more. Key features of the Trinity Grammar School app: Notices: the Notices module provides Trinity Grammar School with the ability to keep their community informed with important information, with push notifications for urgent school notices Calendar: the Calendar module displays all events occurring in the current week or those that are up-and-coming. Events can easily be subscribed to, shared and saved for later Newsletter: the Newsletter module allows Trinity Grammar School to share electronic newsletters, directly to the app Other features such as a quick and easy Contact Directory help you to reach Trinity Grammar School with the tap of a button Settings allows you to manage the frequency and type of notifications that you receive from TGS. Developed by Digistorm - Software for Smarter Schools.
90PLUS
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90Plus Education is an educational training organization with multiple branches in Sydney, providing class reminders and other information services to its teachers and students through this app.
Screenshots
Verdict
The clearest difference is update cadence: 90PLUS at every 3 weeks against TGS App's every 7 months. On price, ads, in-app purchases and device support 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.
TGS App ships an update every 7 months, 90PLUS every 3 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.
| Parameter | TGS App | 90PLUS |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 28 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Trinity Grammar School | Lili Fang |
In-app purchases
TGS App
No in-app purchases
90PLUS
No in-app purchases
