# Corterra Book vs Planner

The clearest difference is update cadence: Planner at every 3 days against Corterra Book's weekly. Corterra Book's advantage is iOS requirement (15.6 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Corterra Book against 5.0 for Planner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Corterra Book ships an update weekly, Planner every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Corterra Book | Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/corterra-book/id6766128317/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/planner-smart-calendar/id6780191927/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 33 MB | 14 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stem Creations](https://appshunter.io/developer/1833972982) | [AviationMP4 Media LLC](https://appshunter.io/developer/1818651461) |

## What reviewers say

### Corterra Book

[App page](https://appshunter.io/ios/app/corterra-book/id6766128317)

Easily schedule, confirm, and manage appointments directly from your phone. Browse live availability, book in seconds without calls or emails, and keep all your visits organized in one place. Enjoy a calm and efficient booking experience with enhanced privacy and security.

**Highlights:** Browse live appointment availability, Book appointments in seconds, Manage upcoming and past appointments, Instant booking confirmation, Secure login with Face ID, Profile and contact detail management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Planner

[App page](https://appshunter.io/ios/app/planner-smart-calendar/id6780191927)

This personal planning app helps you organize your life by day, month, or year. It offers voice input, year-at-a-glance views, countdown timers, mood tracking, and conflict detection. Organize plans into life chapters and review your progress.

**Highlights:** Voice-activated planning, Yearly calendar overview, Countdown timers for upcoming events, Daily mood tracking, Automatic conflict detection, Organize plans by life chapters, Progress review and stats

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Corterra Book free?

Corterra Book is free to download, with no in-app purchases.

### Is Planner free?

Planner is free to download, with no in-app purchases.

### Which has better reviews, Corterra Book or Planner?

Corterra Book and Planner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Corterra Book or Planner have ads?

Neither Corterra Book nor Planner shows ads.

### Which is updated more often, Corterra Book or Planner?

Corterra Book ships an update weekly, and Planner every 3 days. Most recently, Corterra Book was updated on October 28, 2026 and Planner on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*