Alf.io Scan vs Big Data LDN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alf.io Scan
This utility app facilitates event check-ins and attendee data collection for users of the alf.io platform. It allows for efficient scanning of QR codes on attendee badges, ensuring privacy and a smooth entry process for events.
- Event check-in
- Attendee data collection
- QR code scanning
- Sponsor data collection
- Privacy-respecting data handling
- Compatible with alf.io 2.0-M4+
Read full descriptionHide full description
Are you using alf.io for selling tickets and/or collecting attendes for your event? Then this app is for you! Download it and follow the instructions on the website (https://alf.io/docs/event-management/check-in/check-in-app/) in order to get ready to welcome your attendees! You can also allow sponsors to collect attendees' data just by scanning the QR-Code on their badges, and therefore respecting attendees' privacy. IMPORTANT: this application is compatible only with alf.io 2.0-M4+. Please update your server if you're running an older version.
Big Data LDN
Read full descriptionHide full description
Big Data LDN is the event dedicated to all things data, analytics & AI. Attendees will learn from expert data leaders and hear data success stories from some of the world’s most recognisable brands. Find all the event features and information you need in a user-friendly format. Seamlessly explore the expo floor with our interactive floorplan, check out over 200 exhibitors, view and manage your personalised seminar schedule, scroll through your favourite conference sessions, receive event alerts and much more. What’s inside the app: o Exhibitor List - Exhibitor listings from all participating companies with the option to bookmark your favourites. o Interactive Floorplan – The event map right in your pocket. Search for exhibitors and see where to find them. o Seminar Schedule - View the conference programme with the ability to bookmark sessions and create your own schedule. o Speaker List – Want to know who’s speaking and when? Browse the speaker list to find which speakers are speaking in which theatre. o Networking– The networking hub enables attendees to message other each other and find other attendees using the attendee list feature o Push Notifications – Let our real-time event updates keep you informed of highlights you wouldn’t want to miss. o And more! About Big Data LDN Big Data LDN takes place at Olympia London on the 23-24 September 2026. It is the UK’s leading free to attend b2b event dedicated to data, analytics and AI. The event is suitable for your entire data team and provides a line-up of some of the most recognisable names in data, analytics & AI. Our speakers will share best practice, technical know-how and transformation stories in 15 conference streams grouped by subject matter. The Big Data LDN exhibition brings together leading data, analytics & AI solution providers from around the world. Attendees will see hands-on product demos and test-drive the best new technology from global blue-chips and hot new start-ups.
Screenshots
Verdict
The clearest difference is update cadence: Alf.io Scan at every 5 months against Big Data LDN's every 13 months. Alf.io Scan also leads on iOS requirement (13.0 vs 15.0). 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.
Alf.io Scan ships an update every 5 months, Big Data LDN every 13 months. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.
| Parameter | Alf.io Scan | Big Data LDN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 58 MB | 128 MB |
| Age rating | 4+ | 4+ |
| Developer | Swicket Sagl | Reed Exhibitions Ltd |
In-app purchases
Alf.io Scan
No in-app purchases
Big Data LDN
No in-app purchases









