OnArrival vs GC&E Conf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnArrival
This app streamlines onsite event management for organizers. It facilitates attendee check-ins, walk-in registrations, and on-demand badge printing. Real-time updates provide critical data for event success and attendee satisfaction.
- Attendee check-in
- Walk-in registration
- On-demand name badge printing
- Session attendance tracking
- Real-time attendee updates
- Event data capture
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OnArrival is a comprehensive onsite attendee management solution that allows event organizers to check attendees in, register walk-ins, print name badges on-demand, track session attendance, and more, all with ease and efficiency. This app enables event organizers to deliver a smooth, world-class experience that keeps attendees returning for more. OnArrival provides near-real-time updates of attendee check-ins, so you can capture and act on critical data about your events and attendees. OnArrival 360, our full-service onsite attendee management solution, includes everything you need to make your event successful, from software to hardware, devices, badges, supplies, and onsite support.
GC&E Conf
This app serves as a portal for a leading global conference focused on green chemistry and engineering. It provides a platform for scientists, educators, and industry professionals to explore advancements, share best practices, and foster innovation in sustainable solutions.
- Conference information
- Explore advancements
- Share best practices
- Inspire innovation
- Build community
- Sustainable solutions
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The GC&E Conference, hosted by the ACS Green Chemistry Institute®, is the premier global event for green chemistry and engineering. As the first and longest-running conference on this topic, GC&E attracts scientists, educators, industry professionals, and advocates to explore advancements, share best practices, inspire innovation, and build a community dedicated to sustainable solutions. Each year, the conference evolves, incorporating new ideas while maintaining its legacy. Its vision is for green and sustainable chemistry to be integral to all scientific endeavours, providing solutions that balance human well-being with planetary health. GC&E will showcase innovative research and cross-cutting topics in green and sustainable chemistry and engineering, with an emphasis on symposia that highlight thematic topics such as medical breakthroughs, new technologies, and efforts to eliminate or reduce hazardous chemical pollution promoting longer and healthier lives.
Screenshots
Verdict
The clearest difference is rating: OnArrival at 4.5 against GC&E Conf's 1.0. OnArrival also leads on ratings volume (38 vs 2). GC&E Conf's advantage is iOS requirement (13.0 vs 18.0). 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.
OnArrival holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: OnArrival has 38 ratings behind it against 2, so its average is the more settled of the two.
OnArrival ships an update fortnightly, GC&E Conf every 3 weeks. The most recent releases landed on October 16, 2026 and September 20, 2026 respectively.
| Parameter | OnArrival | GC&E Conf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (38 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 38 — better | 2 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 114 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Cvent | American Chemical Society |
Customer experience
OnArrival
GC&E Conf
In-app purchases
OnArrival
No in-app purchases
GC&E Conf
No in-app purchases









