SOS vs CU 25
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SOS
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The SOS-HGIC app enables parents, students, teachers and administrators to quickly access the resources, tools, news and information to stay connected and informed! The SOS-HGIC app features: - Important news from your school - Interactive resources including event calendars and more - Quick access to online resources
CU 25
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CU 25 is the official companion app for Constructor University Bremen's 25th anniversary year. Eight events, six months, one celebration โ and one place to find the story, the day, the map, and a way in. TODAY โ A live countdown to Main Day (19 September 2026), what's happening now, campus announcements, and save-the-dates for the anniversary year. MAP โ The Open Campus map with eleven numbered zones, from the welcome hub to the fireworks on Campus Green. Filter by food, family, tours, stages, and accessibility. AGENDA โ The full anniversary year at a glance and Main Day hour by hour. Save events to your plan. STORIES โ Three pillars of the anniversary: Origins and Courage, Global Impact, The Next 25 Years. Chapters of campus history โ from the 1930s barracks and the post-war camps to Germany's first private, international, residential research university โ plus 25 Stories in 25 Weeks. MARATHON โ 25 CU runners at the Bremen Marathon. Meet the runners and pledge per kilometre for the 25-for-25 Legacy Scholarship. Fully bilingual โ switch between English and German anytime. Optional email updates on news and events. No account required โ step in as a guest. "What remains is change."
Screenshots
Verdict
The clearest difference is update cadence: CU 25 at every 2 weeks against SOS's monthly. SOS's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SOS ships an update monthly, CU 25 every 2 weeks. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.
| Parameter | SOS | CU 25 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 83 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | SOS - HERMANN GMEINER INTERNATIONAL COLLEGE LBG | Ahmet Aydin |
In-app purchases
SOS
No in-app purchases
CU 25
No in-app purchases









