BookTime Appointment Manager vs OncallManager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookTime Appointment Manager
Streamline your business by managing clients and appointments on the go. Automate bookings, send reminders, and track client interactions with this comprehensive tool. Offers self-service booking options for customers and detailed analytics for business insights.
- Self-service bookings
- Business management and scheduling
- Client management
- SMS and reminders
- Invoice templates
- Sync with calendar
- Analytics
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BookTime app for businesses to schedule/book appointment, set calendar & manage clients Have a large client base? Finding it hard to manage them? Simplify it! Manage your entire client base from your mobile, without any hassles. Check your appointments, automate/schedule booking and more. Let your customers know that now they don’t have to worry about how to connect with you – a few clicks, a few touches, and voila! Appointment done! Just download the app and create your profile and you are good to go! You will have a booking link after successful data submission. It’s simple – all your regular clients have to visit your booking link, and they can schedule an appointment easily. BookTime is a very productive app to help you manage your client and business appointments, schedule booking, customer contacts, and billing. BookTime App can also act as a mini CRM which assists you to communicate with your clients over SMS & templates can be created and used to send out Appointment Reminders, make new Announcements, send thank you notes, send appointment invoices to customers, etc. The BookTime mobile app lets you book and manages appointments on the go. Get a real-time view of your schedule at any time and add or edit appointments with just a few taps. You can also share your unique booking link in DMs, emails, SMS reminders and more, allowing customers to see your availability online and select the ideal slot. Download the BookTime app to impress your customers with powerful features including: -Self-service bookings - Business management and scheduling - Analytics - Personalized greetings - Invoice Templates - Sync with Calendar - SMS and Reminders - Marketing Tools - Appointment services - Book Meetings with consultants - Client management - End-to-end protection - Responsive solutions - Invite clients - Regular follow-ups - Priority support - Manage Reports Auto-renewal subscription details : - Title of Subscription: Premium User - The length of the subscription(Time Duration) : 1 Month or 1 Year - The price of the subscription: $19.99/Month or $149.99/Year -The price of the Team Share subscription: $299.99/Year or $399.99/Year • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Your Premium Subscription will automatically renew each year through your App Store account. You can cancel auto-renewal at any time via iTunes → App Stores section inside iPhone settings. Cancellation of the current subscription is not allowed during the active subscription period. - Features offered to subscribed users : Remove all ads, Calendar Free/Busy Indicator, Advance Settings, Add Special day as working/non working. Add new Service, Set as favorite service, Customize message templates, Export data to excel sheet, Send appointment completed / cancelled SMS to customers, Set multiple appointment reminders for customers, Repeat the Appointments etc. - Features offered to non-subscribed users : Add appointment, add customer etc. Please go to http://booktimeapp.com/privacypolicy.html and http://booktimeapp.com/terms.html for more information.
OncallManager
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Being on call means you can’t leave home, but don’t you feel like others are surprisingly not at home? It’s a hassle to ask your manager to switch shifts, and you’re not even sure who’s at home... OncallManager solves these problems for you.
Screenshots
Verdict
The clearest difference is in-app purchases: OncallManager at none against BookTime Appointment Manager's 5. OncallManager also leads on update cadence (every 5 days vs every 2 weeks). BookTime Appointment Manager's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price 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
Both are free to download. BookTime Appointment Manager sells 5 in-app purchases, starting at $19.99 per month. OncallManager asks for nothing beyond the download.
BookTime Appointment Manager ships an update every 2 weeks, OncallManager every 5 days. The most recent releases landed on August 24, 2026 and September 24, 2026 respectively.
| Parameter | BookTime Appointment Manager | OncallManager |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (11 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | MarkMyDiary Technologies Private Limited | Hiroshi Matsueda |
In-app purchases
BookTime Appointment Manager
- 1 MONTH PACK$19.991 Month
- 1 YEAR OFFER PACK$99.991 Year
- 1 YEAR PACK$149.991 Year
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- 1 YEAR PACK - 1 MEMBER$299.991 Year
- 1 YEAR PACK - 3 MEMBERS$399.991 Year
OncallManager
No in-app purchases
Questions
Is BookTime Appointment Manager free?
Is OncallManager free?
Do BookTime Appointment Manager or OncallManager have ads?
Which is updated more often, BookTime Appointment Manager or OncallManager?
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