# Calendars vs Simple Working Calendar

The clearest difference is ads: Calendars at none against Simple Working Calendar's shown. Calendars also leads on update cadence (every 11 days vs every 3 months) and ratings volume (122K vs 168). Simple Working Calendar's advantage is rating (4.9 vs 4.7) and iOS requirement (15.0 vs 18.2). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calendars sells 17 in-app purchases, starting at $3.99 per month and Simple Working Calendar sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Simple Working Calendar holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 168, 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 62% of Simple Working Calendar's.

Calendars ships an update every 11 days, Simple Working Calendar every 3 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Calendars | Simple Working Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | **[4.9 (168 ratings)](https://appshunter.io/ios/app/simple-working-calendar/id1489653183/reviews)** |
| Number of ratings | **122K** | 168 |
| Positive reviews | 55.4% of reviews | **61.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#104** | — |
| Size | 407 MB | 179 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Нико Беллик](https://appshunter.io/developer/670302199) |

## What reviewers say

### Calendars

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

**Currently charting:** #104 Top Free · Productivity, #105 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 (17)**

| 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 | $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


### Simple Working Calendar

[App page](https://appshunter.io/ios/app/simple-working-calendar/id1489653183)

Easily calculate and manage your work schedule with a user-friendly design. Add custom schedules, track holidays, and plan vacations. Download now while it's free!

**Highlights:** Work schedule calculation, Custom schedule creation, Holiday tracking, Vacation planning, Intuitive design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Calendars free?

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

### Is Simple Working Calendar free?

Simple Working Calendar is free to download, with in-app purchases available.

### Which has better reviews, Calendars or Simple Working Calendar?

Simple Working Calendar is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Simple Working Calendar averages 4.9 from 168 ratings.

### Do Calendars or Simple Working Calendar have ads?

Simple Working Calendar shows ads; Calendars does not.

### Which is updated more often, Calendars or Simple Working Calendar?

Calendars ships an update every 11 days, and Simple Working Calendar every 3 months. Most recently, Calendars was updated on September 24, 2026 and Simple Working Calendar on September 22, 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.*