Catalyst Community vs Stella33
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Catalyst Community
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Catalyst Community App. For all Real Estate and Community News at Catalyst
Stella33
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With the Stella33 app, you can easily book meeting rooms across all our business centers, stay updated on upcoming events organized by Stella, and request support whenever you need it. The app also gives you access to community articles, helping you stay connected and informed. Manage your bookings, explore events, and get assistance all in one place
Screenshots
Verdict
The clearest difference is iOS requirement: Catalyst Community at 12.4 against Stella33's 17.0. On price, update cadence, ads and in-app purchases 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.
Catalyst Community ships an update every 5 months, Stella33 every 3 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | Catalyst Community | Stella33 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | NORTHERN IRELAND SCIENCE PARK FOUNDATION LTD. | Stella33 s.r.l. |
In-app purchases
Catalyst Community
No in-app purchases
Stella33
No in-app purchases
Questions
Is Catalyst Community free?
Is Stella33 free?
Do Catalyst Community or Stella33 have ads?
Which is updated more often, Catalyst Community or Stella33?
Other comparisons
