AVANCE Global vs C21 One21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AVANCE Global
This event companion app provides schedules, venue maps, and networking tools. Access exclusive promotions and use your digital ID for sessions and perks. Stay informed and connected throughout your event experience.
- Full agenda access
- Speaker and location details
- Networking opportunities
- Exclusive promotions and discounts
- Digital ID for sessions and perks
- Venue maps
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AVANCE – Your all-in-one event companion AVANCE puts every detail of your event right in your pocket. From schedules and venue maps to exclusive offers and networking opportunities, our app is designed to make your experience seamless, smart, and unforgettable. What you can do with AVANCE: - Stay informed – Access the full agenda, speakers, and location details anytime. - Connect instantly – Meet the right people, grow your network, and keep in touch effortlessly. - Unlock exclusive promotions – Enjoy discounts and deals only available through the app. - Go digital with your ID – Your personal Digital ID is your key to sessions, perks, and experiences. Whether you’re attending a conference, festival, or private gathering, AVANCE keeps you connected, informed, and one step ahead. Download now and make the most out of your event.
C21 One21
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Century 21 One21 2026 Welcome to the official event app for One21 — your all-access pass to the ultimate C21 experience! Designed exclusively for registered attendees, this app puts everything you need for the event right at your fingertips. Plan Your Experience Explore the full event schedule, customize your agenda, and stay up to date with real-time updates. Navigate with Ease Maps help you find your way around the venue, sessions, and key locations. Update your profile and connect with other attendees and start networking before you even arrive on-site! Note: This app is intended for registered One21 attendees only.
Screenshots
Verdict
The clearest difference is ads: C21 One21 at none against AVANCE Global's shown. AVANCE Global's advantage is update cadence (every 5 days vs every 3 months) and iOS requirement (15.6 vs 17.0). On price, 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.
AVANCE Global ships an update every 5 days, C21 One21 every 3 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.
| Parameter | AVANCE Global | C21 One21 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 days — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 237 MB | 69 MB |
| Age rating | 17+ | 4+ |
| Developer | OWTECH LLC | Century 21 Real Estate, LLC |
In-app purchases
AVANCE Global
No in-app purchases
C21 One21
No in-app purchases
