# Calendars vs Singularity To Do List, Tasks

Calendars and Singularity To Do List, Tasks both sit at 4.7 stars, but that hides the real split: 85% of Singularity To Do List, Tasks's written reviews are positive against 55% of Calendars's. Singularity To Do List, Tasks also leads on iOS requirement (15.6 vs 18.2). Calendars's advantage is ratings volume (122K vs 73) and chart position (#110 vs unranked). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Calendars against 4.8 for Singularity To Do List, Tasks. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 73, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calendars's written reviews are positive against 85% of Singularity To Do List, Tasks's.

Calendars ships an update every 11 days, Singularity To Do List, Tasks weekly. Both last shipped on September 25, 2026.

## The numbers

| Metric | Calendars | Singularity To Do List, Tasks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | **[4.8 (73 ratings)](https://appshunter.io/ios/app/singularity-to-do-list-tasks/id1477784588/reviews)** |
| Number of ratings | **122K** | 73 |
| Positive reviews | 55.4% of reviews | **85.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#110** | — |
| Size | 407 MB | 227 MB |
| Requires iOS | 18.2 | **15.6** |
| Devices | iPhone, iPad, Mac, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [SINGULARITYAPP LLP](https://appshunter.io/developer/1062751673) |

## What reviewers say

### Calendars

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

**Currently charting:** #110 Top Free · Productivity, #115 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


### Singularity To Do List, Tasks

[App page](https://appshunter.io/ios/app/singularity-to-do-list-tasks/id1477784588)

Manage your tasks, projects, and daily schedule with this all-in-one productivity app. It combines a to-do list, calendar, planner, notepad, habit tracker, and Pomodoro timer to help you organize your life and stay focused.

**Highlights:** Task and note creation with voice input, File and image attachments to tasks, Smart reminders with natural date recognition, Automated recurring task scheduling, Calendar and daily planning views, Project, tag, and checklist organization, Pomodoro timer and stopwatch, Habit tracker for routine building

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SingularityApp Premium Month | $3.99 | per month |
| SingularityApp Elite Month | $4.99 | per month |
| SingularityApp Premium Year | $39.99 | per year |
| SingularityApp Elite Year | $49.99 | per year |
| Pro forever! | $89.99 | one-time |


## Frequently asked questions

### Is Calendars free?

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

### Is Singularity To Do List, Tasks free?

Singularity To Do List, Tasks is free to download, with in-app purchases available.

### Which has better reviews, Calendars or Singularity To Do List, Tasks?

Singularity To Do List, Tasks is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Singularity To Do List, Tasks averages 4.8 from 73 ratings.

### Do Calendars or Singularity To Do List, Tasks have ads?

Neither Calendars nor Singularity To Do List, Tasks shows ads.

### Which is updated more often, Calendars or Singularity To Do List, Tasks?

Calendars ships an update every 11 days, and Singularity To Do List, Tasks weekly. Most recently, Calendars was updated on September 25, 2026 and Singularity To Do List, Tasks on September 25, 2026.

---

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