The Simple Scheduler vs Corterra Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Simple Scheduler
This app simplifies business management through intuitive online scheduling. It offers drag-and-drop features for employee schedules, customer invoices, and client appointments, with automated custom reports to streamline operations.
- Drag-and-drop scheduling
- Employee scheduling
- Customer invoices
- Client appointment management
- Custom reports
- Automated scheduling tools
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Simple Scheduler is an online scheduling software and mobile app with drag-and-drop features to make scheduling easier. Whether for employee scheduling, customer invoices, or client appointments, you can easily manage your entire business. With our custom reports, Simple Scheduler provides automated tools to make scheduling easier.
Corterra Book
Easily book appointments at your favorite spas, salons, studios, or clinics. View real-time availability, select services and providers, and manage all your bookings in one place without needing to make a phone call.
- Real-time availability browsing
- Service and provider selection
- Instant booking confirmation
- Appointment management
- Online intake forms
- Promo code application
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Booking shouldn't require a phone call. Corterra Book is the appointment app for the spa, salon, studio, or clinic you already visit. See live availability, book in a few taps, and keep every appointment in one place. WHAT YOU CAN DO • Browse real-time openings and pick the time that works for you • Choose your service and your provider before you book • Book in seconds — no phone calls, no email back-and-forth • Get instant confirmation for every booking • See upcoming and past appointments at a glance • Cancel an appointment from your bookings list • Apply a promo code when you book • Check your membership status and package balances • Complete and sign intake forms right in the app • Update your profile and contact details anytime HOW IT WORKS 1. Pick the service you want 2. Choose a provider and an open time 3. Confirm — your appointment is booked PRIVACY YOU CAN TRUST Your account is protected by industry-standard encryption. We never sell your personal information or share it with anyone outside the business you are booking with. You can delete your account and your data at any time from the Account tab. SUPPORT Need help? Visit corterrabook.com/support or email support@corterrabook.com. By using this app, you agree to our Terms of Service (corterrabook.com/legal/tos) and Privacy Policy (corterrabook.com/legal/privacy).
Screenshots
Verdict
The clearest difference is rating: Corterra Book at 5.0 against The Simple Scheduler's 1.0. Corterra Book also leads on update cadence (every 8 days vs every 6 months). On price, ratings volume, ads and in-app purchases 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.
Corterra Book holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
The Simple Scheduler ships an update every 6 months, Corterra Book every 8 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | The Simple Scheduler | Corterra Book |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 27 MB | 33 MB |
| Age rating | 17+ | 4+ |
| Developer | Simple Scheduler, LLC | Stem Creations |
Customer experience
The Simple Scheduler
Corterra Book
In-app purchases
The Simple Scheduler
No in-app purchases
Corterra Book
No in-app purchases
Questions
Is The Simple Scheduler free?
Is Corterra Book free?
Which has better reviews, The Simple Scheduler or Corterra Book?
Do The Simple Scheduler or Corterra Book have ads?
Which is updated more often, The Simple Scheduler or Corterra Book?
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