Comparison

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.

Head to head
About

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.

Highlights
  • 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 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.

About

Big Data LDN

Read 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

Alf.io Scan4 screens
Big Data LDN4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Alf.io Scan versus Big Data LDN: the parameters behind the verdict, then further details
ParameterAlf.io ScanBig Data LDN
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 months — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size58 MB128 MB
Age rating4+4+
DeveloperSwicket SaglReed Exhibitions Ltd

In-app purchases

None

Alf.io Scan

No in-app purchases

None

Big Data LDN

No in-app purchases

Questions

Is Alf.io Scan free?
Alf.io Scan is free to download, with no in-app purchases.
Is Big Data LDN free?
Big Data LDN is free to download, with no in-app purchases.
Do Alf.io Scan or Big Data LDN have ads?
Neither Alf.io Scan nor Big Data LDN shows ads.
Which is updated more often, Alf.io Scan or Big Data LDN?
Alf.io Scan ships an update every 5 months, and Big Data LDN every 13 months. Most recently, Alf.io Scan was updated on September 20, 2026 and Big Data LDN on September 21, 2026.

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