# To Do Task List vs Habit 21

The clearest difference is in-app purchases: Habit 21 at none against To Do Task List's 17. Habit 21 also leads on ads (none vs shown) and rating (5.0 vs 4.7). To Do Task List's advantage is ratings volume (3 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. To Do Task List sells 17 in-app purchases, starting at $0.99 per 7 days. Habit 21 asks for nothing beyond the download.

Habit 21 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

To Do Task List ships an update every 6 months, Habit 21 every 3 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | To Do Task List | Habit 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/to-do-task-list-task-manager/id1450711480/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/habit-21/id1529500794/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 9 MB |
| Requires iOS | 15.0 | **14.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Michael Nash](https://appshunter.io/developer/1489074053) |

## What reviewers say

### To Do Task List

[App page](https://appshunter.io/ios/app/to-do-task-list-task-manager/id1450711480)

Effortlessly schedule and manage reminders for important events and tasks. The app offers recurring reminders, task list compilation, and calendar integration for seamless organization. Stay on top of your daily routine with timely notifications and customizable settings.

**Highlights:** Add/Edit Reminders, Recurring Reminders, Task List Management, Calendar Integration, Customizable Notifications, Label Categorization

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $2.99 | per 7 days |
| Unlimited access | $3.99 | per 7 days |
| Premium features | $4.99 | per 7 days |
| Premium features | $5.99 | per 7 days |
| Premium features | $6.99 | per 7 days |
| Premium features | $7.99 | per 7 days |
| Premium features | $8.99 | per 7 days |
| Unlimited access | $9.99 | per year |
| Unlimited access | $19.99 | per year |
| Premium features | $19.99 | per month |
| Unlimited access | $29.99 | per year |
| Premium features | $29.99 | per month |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |
| Remove Ads | $0.99 | one-time |


### Habit 21

[App page](https://appshunter.io/ios/app/habit-21/id1529500794)

This app guides users through a 21-day program to build new habits or break old ones. It provides daily inspirational videos, science-backed insights, and testimonials to support habit formation. Users receive notifications to perform their chosen habit daily, with progress tracking after the initial 21-day period.

**Highlights:** 21-day habit countdown, Daily inspirational videos, Science-backed insights, Expert testimonials, Progress tracking, Customizable habit reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is To Do Task List free?

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

### Is Habit 21 free?

Habit 21 is free to download, with no in-app purchases.

### Which has better reviews, To Do Task List or Habit 21?

Habit 21 is rated higher. To Do Task List averages 4.7 out of 5 from 3 ratings, while Habit 21 averages 5.0 from 1 ratings.

### Do To Do Task List or Habit 21 have ads?

To Do Task List shows ads; Habit 21 does not.

### Which is updated more often, To Do Task List or Habit 21?

To Do Task List ships an update every 6 months, and Habit 21 every 3 months. Most recently, To Do Task List was updated on October 24, 2026 and Habit 21 on October 13, 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.*