Comparison

Serialna vs K&Ö

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Serialna

This system streamlines customer flow for businesses like hospitals, pharmacies, and restaurants. It uses iPads and a printer to issue tickets, announce numbers, and manage waiting lists, with optional features for large-screen display and email notifications.

Highlights
  • Ticket issuing via iPad
  • Audio announcements for ticket numbers
  • Display of waiting list
  • Printer integration for dual tickets
  • Large screen TV output (in-app purchase)
  • Email notifications for approaching turns (subscription)
Features
Read full description

Serialna is easy to use. It only requires iPads and a printer. It is good for a reception desk at hospitals, pharmacies, restaurant, and many other stores! ■Features■ You only need two iPads, a printer, and a wireless router to use this system,and this is a free application. - There is a big button for ticket issuing, and the screen structure is also simple and clear. - Serialna will call the issued ticket numbers by sound guidance. - Announced numbers will be displayed as a list on the screen. - You will use the calling iPad to announce the numbers and check the waiting list. - With autodetection, it is easy to set up the connection between the printer and the iPad. - Serialna can print out two tickets at the same time for one number. You can give one to your customer and hold another one for the management at the reception desk. ■Components■ - One ticket issuing iPad for displaying a ticket issuing button and the ticket numbers. - More than one calling iPads for managing the ticket number list. (Please install Serialna to all using iPads.) - One printer. - One wireless router * iPads will be connected by Wifi and the printer will be connected by Ethernet LAN. ■Supported Printers■ - BIXOLON SRP-F310 - CITIZEN CT-S651(Choose the one with Ethernet LAN) - EPSON TM-m30 - EPSON TM-T70-i - EPSON TM-T88V(Choose the one with Ethernet LAN) - EPSON TM-T88V-i - STAR MICRONICS FVP10 series(Choose the one with Ethernet LAN) * Prepare roll paper of 80 mm width. * The company names and product names are registered trademarks. ■Request Information on TV(In-App Purchase)■ Using iPad’s TV output function, the request page can be displayed on a large screen TV. - Price  $79.99   ■Call by E-Mail(In-App Purchase)■ Call by E-Mail feature notifies when their turn is approaching by e-mail. - Price of Subscription  $24.99/month  $233.99/year(Free 3-month trial)  We will charge to your iTunes account.  Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period.  We will charge you within 24 hours after the end of the current period if you continue to join the service.  Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.  Manage your subscriptions in Account Settings after purchase.  You will not be able to cancel the subscription once activated. - Privacy policy   https://www.nhs.co.jp/en/privacy/ - Terms of the service(Japanese Only)   https://serialna.com/ja/manual/manuals-eula.html

About

K&Ö

This app facilitates communication and management for residential living. It connects residents, owners, and property managers for seamless housing operations. Key features include notifications, damage reporting, classified ads, direct messaging, and access to documents.

Highlights
  • Important notifications and deadlines
  • Smartphone damage reporting with photos
  • Classified ads for housing needs
  • Direct messaging within the community
  • Access to important documents 24/7
  • Regular advice articles for residents
Features
Read full description

Willkommen bei K&Ö - dem digitalen Begleiter für Ihr Wohnumfeld! K&Ö verbindet all jene, die sich regelmäßig miteinander austauschen müssen, damit Wohnen und Vermieten reibungslos klappt: Bewohner, Wohnungseigentümer, Hausmeister und Verwalter. Funktionen: - Benachrichtigungen bei wichtigen Mitteilungen, Terminen, neuen Dokumenten und Änderungen - Schadensmeldung direkt via Smartphone inklusive Fotos an die zuständigen Personen senden - Suchanzeigen und Angebote (z.B. Babysitter gesucht, Garagenstellplatz zu vermieten) - Über Direktnachrichten im Wohnumfeld austauschen - Regelmäßige Ratgeber-Artikel für Mieter und Wohnungseigentümer - 24/7 Zugriff auf Dokumente Fragen Sie Koerner & Oelkers GmbH nach Ihrem individuellen Einladungscode, um K&Ö nutzen zu können.

Screenshots

K&Ö2 screens

Verdict

The call

The clearest difference is rating: K&Ö at 5.0 against Serialna's 3.5. K&Ö also leads on in-app purchases (none vs 3) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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. Serialna sells 3 in-app purchases, starting at $24.99 per month. K&Ö asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

K&Ö holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Serialna ships an update every 5 months, K&Ö every 7 months. Both last shipped on October 14, 2026.

Scorecard5 real differences · 5 level
Serialna versus K&Ö: the parameters behind the verdict, then further details
ParameterSerialnaK&Ö
PriceFreeFree
Rating3.5 (2 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 5 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size112 MB36 MB
Age rating4+4+
DeveloperNIPPON STEEL Hitachi Systems Solutions, Inc.Koerner & Oelkers GmbH

Customer experience

Serialna

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

K&Ö

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Serialna

Subscriptions2
  • Call by E-Mail$24.991 Month
  • Call by E-Mail3 Months trial$239.991 Year
One-time1
  • Request Information on TV$59.99
None

K&Ö

No in-app purchases

Questions

Is Serialna free?
Serialna is free to download, with in-app purchases available.
Is K&Ö free?
K&Ö is free to download, with no in-app purchases.
Which has better reviews, Serialna or K&Ö?
K&Ö is rated higher. Serialna averages 3.5 out of 5 from 2 ratings, while K&Ö averages 5.0 from 1 ratings.
Do Serialna or K&Ö have ads?
Neither Serialna nor K&Ö shows ads.
Which is updated more often, Serialna or K&Ö?
Serialna ships an update every 5 months, and K&Ö every 7 months. Most recently, Serialna was updated on October 14, 2026 and K&Ö on October 14, 2026.

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