# Calendars vs Quick Schedule.

The clearest difference is review sentiment: Quick Schedule. at 100% against Calendars's 55%. Quick Schedule. also leads on rating (5.0 vs 4.7) and iOS requirement (15.6 vs 18.2). Calendars's advantage is ads (none vs shown) and update cadence (every 11 days vs every 7 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Calendars sells 18 in-app purchases, starting at $3.99 per month and Quick Schedule. sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Quick Schedule. holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of Calendars's written reviews are positive against 100% of Quick Schedule.'s.

Calendars ships an update every 11 days, Quick Schedule. every 7 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Calendars | Quick Schedule. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quick-schedule/id1287778209/reviews)** |
| Number of ratings | **122K** | 1 |
| Positive reviews | 55.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#102** | — |
| Size | 407 MB | 54 MB |
| Requires iOS | 18.2 | **15.6** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Zhengzhou Yeqiang Technology Co., Ltd](https://appshunter.io/developer/1273663977) |

## What reviewers say

### Calendars

[App page](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326)

**Currently charting:** #102 Top Free · Productivity, #118 Top Grossing · Productivity (US App Store)

This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.

**Highlights:** Calendar, task, and habit management, Daily, weekly, and monthly views, Natural language event creation, To-do list organization, Cross-device syncing, Meeting platform integration

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendars PRO 1 Month | $3.99 | per month |
| Calendars by Readdle: Interesting Calendars | $3.99 | per year |
| Calendars PRO 1 Month | $3.99 | per month |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $21.99 | per year |
| Calendars PRO 1 Year | $29.99 | per year |
| Calendars PRO Lifetime | Free | one-time |
| Invites & Attendees Upgrade | $1.99 | one-time |
| Smart Input Upgrade | $1.99 | one-time |
| Full Upgrade | $4.99 | one-time |
| Interesting Calendars | $5.99 | one-time |
| My schedule planner, Organizer | $6.99 | one-time |
| Full Pack | $12.99 | one-time |
| Reminders & Calendars | $19.99 | one-time |
| Recurring Events | $31.99 | one-time |

**What reviewers like**

- 🌟 Excellent calendar app
- 👍 Easy to use and organize
- 🎨 Helpful color-coding
- 📆 Seamless integration with other calendars
- 🗓️ Detailed monthly/weekly views

**What reviewers complain about**

- 🐛 Occasional glitches and data loss
- 💰 Concerns over subscription model
- 🕰️ Cumbersome date/time selection process
- 🔍 Limited location search functionality
- 🔄 Sync issues between devices

**Reported bugs**

- Disappearing events and appointments
- Upgrade process causing data loss
- Freezing and crashing on certain devices

**Requested features**

- Recurring events for free users
- Customizable widgets and app icons
- Ability to archive/restore past events
- Improved Apple Watch integration
- Shared calendars and family management


### Quick Schedule.

[App page](https://appshunter.io/ios/app/quick-schedule/id1287778209)

Organize your academic life with this comprehensive planner. Track classes, assignments, and grades, with automatic GPA calculation and customizable reminders. Features a clean interface to streamline your school schedule and improve efficiency.

**Highlights:** Week-view timetable display, Automatic GPA calculation, Customizable reminders for classes and tasks, Progress tracking for homework and tasks, Detailed course and instructor management, iCloud and Dropbox backup

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 1 month | $0.99 | per month |
| Premium - 1 year | $4.99 | per year |
| Premium - 6 months | $5.49 | per 6 months |
| Premium - 1 year | $6.99 | per year |
| Premium - 1 year | $9.99 | per year |


## Frequently asked questions

### Is Calendars free?

Calendars is free to download, with in-app purchases available.

### Is Quick Schedule. free?

Quick Schedule. is free to download, with in-app purchases available.

### Which has better reviews, Calendars or Quick Schedule.?

Quick Schedule. is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Quick Schedule. averages 5.0 from 1 ratings.

### Do Calendars or Quick Schedule. have ads?

Quick Schedule. shows ads; Calendars does not.

### Which is updated more often, Calendars or Quick Schedule.?

Calendars ships an update every 11 days, and Quick Schedule. every 7 months. Most recently, Calendars was updated on September 25, 2026 and Quick Schedule. on June 1, 2026.

---

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