# 2Do Legacy Edition vs Tasks+Cal+Sync 4

The clearest difference is rating: 2Do Legacy Edition at 4.7 against Tasks+Cal+Sync 4's 1.0. 2Do Legacy Edition also leads on update cadence (every 3 weeks vs every 20 months) and ratings volume (3.7K vs 2). Tasks+Cal+Sync 4's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 17.6). On ads and device support there is nothing between them.

2Do Legacy Edition costs $9.99 and Tasks+Cal+Sync 4 $14.99 up front. 2Do Legacy Edition sells 3 one-off in-app purchases. Tasks+Cal+Sync 4 asks for nothing beyond the download.

2Do Legacy Edition holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: 2Do Legacy Edition has 3.7K ratings behind it against 2, so its average is the more settled of the two.

2Do Legacy Edition ships an update every 3 weeks, Tasks+Cal+Sync 4 every 20 months. The most recent releases landed on September 28, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | 2Do Legacy Edition | Tasks+Cal+Sync 4 |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/2do-legacy-edition/id303656546/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/tasks-plus-cal-plus-sync-4/id1166018485/reviews) |
| Number of ratings | **3.7K** | 2 |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 96 MB | 8 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beehive Innovations Services](https://appshunter.io/developer/285944186) | [Lukas Zeller](https://appshunter.io/developer/299521020) |

## What reviewers say

### 2Do Legacy Edition

[App page](https://appshunter.io/ios/app/2do-legacy-edition/id303656546)

This app offers a flexible and powerful way to manage your tasks, checklists, and projects. It adapts to your workflow with a simple interface, allowing you to organize and prioritize what matters most. Features include custom lists, smart lists, and batch editing.

**Highlights:** Create simple tasks, checklists, and projects, Multiple alarms and flexible repeating options, Organize tasks with lists, groups, and smart lists, Password protection for app or individual lists, Batch editing and task sharing, Sync across devices via Dropbox, CalDAV, and more, Email to task integration

**Features:** Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Email to 2Do Plus | $1.99 | one-time |
| Email to 2Do | $1.99 | one-time |
| Email to 2Do | $3.99 | one-time |

**What reviewers like**

- 🚀 Excellent task management
- 👍 Highly customizable
- 🚀 Seamless sync across devices
- 👍 Intuitive and easy to use
- 🚀 Powerful features

**What reviewers complain about**

- 🐛 Occasional sync issues
- 🐛 Confusing interface for beginners
- 🐛 Dated UI design
- 🐛 Lack of native calendar integration
- 🐛 Unreliable notifications

**Reported bugs**

- Crashes after recent update
- Repeating tasks not working correctly
- Unable to add new tasks in some cases
- Sync issues between devices

**Requested features**

- Dark mode option
- Native calendar integration
- Improved Apple Watch support
- Easier task prioritization
- Better email integration


### Tasks+Cal+Sync 4

[App page](https://appshunter.io/ios/app/tasks-plus-cal-plus-sync-4/id1166018485)

This app synchronizes contacts, tasks, and calendars using the SyncML standard. It's designed for users who need to connect with older systems or specific organizational requirements that rely on this legacy synchronization technology.

**Highlights:** SyncML synchronization for contacts, tasks, and calendars, App-internal calendar and task management, iOS contact group assignment, Acts as a local SyncML server, Month, day, week, and list calendar views

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2Do Legacy Edition free?

2Do Legacy Edition costs $9.99, and also offers in-app purchases.

### Is Tasks+Cal+Sync 4 free?

Tasks+Cal+Sync 4 costs $14.99, with no in-app purchases.

### Which has better reviews, 2Do Legacy Edition or Tasks+Cal+Sync 4?

2Do Legacy Edition is rated higher. 2Do Legacy Edition averages 4.7 out of 5 from 3.7K ratings, while Tasks+Cal+Sync 4 averages 1.0 from 2 ratings.

### Do 2Do Legacy Edition or Tasks+Cal+Sync 4 have ads?

Neither 2Do Legacy Edition nor Tasks+Cal+Sync 4 shows ads.

### Which is updated more often, 2Do Legacy Edition or Tasks+Cal+Sync 4?

2Do Legacy Edition ships an update every 3 weeks, and Tasks+Cal+Sync 4 every 20 months. Most recently, 2Do Legacy Edition was updated on September 28, 2026 and Tasks+Cal+Sync 4 on July 4, 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.*