RIB CX vs 321 X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RIB CX
Manage your project documents from anywhere with this mobile application. Create, view, respond to, and issue RIB CX documents on the go. Access your entire Document Register to stay organized and efficient.
- Create RIB CX documents
- View RIB CX documents
- Respond to RIB CX documents
- Issue RIB CX documents
- Access Document Register
- On-the-go document management
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The power of RIB CX is now available on the go. You'll be able to create, view, respond and issue RIB CX documents wherever you are, as well as having access to your Document Register. To use this app you'll need to be a registered user of RIB CX on a live project with a mobile license agreement.
321 X
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Welcome to 321X - Unlock a range of services, amenities and offers to make your work-life easy & without friction. This one-stop-shop app delivers access to our exclusive suite of services and amenities. Stay in touch with the latest news and events happening in our building, book in for wellness classes, access exclusive offers, and connect with Concierge.
Screenshots
Verdict
The clearest difference is update cadence: 321 X at every 3 weeks against RIB CX's every 5 weeks. 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.
RIB CX ships an update every 5 weeks, 321 X every 3 weeks. The most recent releases landed on August 12, 2026 and September 14, 2026 respectively.
| Parameter | RIB CX | 321 X |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 241 MB | 324 MB |
| Age rating | 4+ | 4+ |
| Developer | RIB Software | Invesco Australia Limited |
In-app purchases
RIB CX
No in-app purchases
321 X
No in-app purchases
