Comparison

APPgrade34 Backend vs Appointment Booking System

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

Head to head
About

APPgrade34 Backend

Features
Read full description

Scarica APPgrade34 Backend sul tuo iPhone o iPad e cambia il modo di vedere la tua azienda. Diventa più smart. Cosa puoi fare con la APPgrade34 Backend? - Visualizzare tutti gli ordini creati dai vostri clienti - Inviare notifiche su promozioni o eventi speciali - Notificare al cliente cambiando lo stato del documento (Preparato , Confermato , Spedito , Annullato ecc...) - Stampare lo scontrino dall'apposita stampante configurata dall' APPgrade34 - Crea Articoli inserendo tutte le immagini che vuoi - Gestisci il tuo LISTINO di vendita - Visualizza gli ombrelloni disponibili - Visualizza i tuoi articoli e modificali E infine avrai a portata di mano tutte le informazioni necessarie per scoprire e usufruire al 100% dei servizi creati dall' APPgrade34, Installa l’app e richiedi un utente così potrai dare inizio al tuo business social!

About

Appointment Booking System

Quickly create a customer booking website in minutes. Customers can view available slots and book appointments online. Receive instant notifications for new bookings.

Highlights
  • Quick setup
  • Customer booking website
  • Real-time notifications
  • Unlimited bookings (subscription)
  • Free tier available
Features
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Using this app you can quickly set up a booking system to accept bookings from your customers by answering a few questions. It takes only a few minutes. Afterward, you will have a link to a website that you can send to your customers. On that website they can see where you have free appointment slots and can book them. When one of your customers books an appointment, you will immediately receive a notification, and you can optionally also receive an email. You can use this app for free for booking up to 20 hours per month. If you would like to have an unlimited number of bookings each month, you can subscribe: Monthly subscription: With this subscription you can use the app for an unlimited number of bookings each month. $1.99 for each of the first 2 months, then $9.99/month. The subscription will automatically renew until you cancel it. You can manage your subscriptions in the App Store app. You can find the Terms of Use here: https://www.calengoo.com/bookingsystem/impressum.html

Screenshots

APPgrade34 Backend4 screens
Appointment Booking System4 screens

Verdict

The call

The clearest difference is in-app purchases: APPgrade34 Backend at none against Appointment Booking System's 2. On price, update cadence, ads 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. Appointment Booking System sells 2 in-app purchases, starting at $9.99 per month. APPgrade34 Backend asks for nothing beyond the download.

UpkeepUpdate frequency

APPgrade34 Backend ships an update every 3 weeks, Appointment Booking System monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard1 real difference · 9 level
APPgrade34 Backend versus Appointment Booking System: the parameters behind the verdict, then further details
ParameterAPPgrade34 BackendAppointment Booking System
PriceFreeFree
Rating—4.5 (22 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—22 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size13 MB71 MB
Age rating4+4+
DeveloperAPPgrade34 S.r.l.s.Dominique Andr Gunia

In-app purchases

None

APPgrade34 Backend

No in-app purchases

2 purchases

Appointment Booking System

Subscriptions2
  • Monthly subscription1 Month trial$9.991 Month
  • Yearly subscription2 Months trial$99.991 Year

Questions

Is APPgrade34 Backend free?
APPgrade34 Backend is free to download, with no in-app purchases.
Is Appointment Booking System free?
Appointment Booking System is free to download, with in-app purchases available.
Do APPgrade34 Backend or Appointment Booking System have ads?
Neither APPgrade34 Backend nor Appointment Booking System shows ads.
Which is updated more often, APPgrade34 Backend or Appointment Booking System?
APPgrade34 Backend ships an update every 3 weeks, and Appointment Booking System monthly. Most recently, APPgrade34 Backend was updated on November 2, 2026 and Appointment Booking System on November 3, 2026.

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