# OldTaskManager vs Calendar ToDo

The clearest difference is in-app purchases: OldTaskManager at none against Calendar ToDo's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calendar ToDo sells 2 in-app purchases, starting at $1.99 per month. OldTaskManager asks for nothing beyond the download.

OldTaskManager ships an update every 5 days, Calendar ToDo weekly. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | OldTaskManager | Calendar ToDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 1 MB | 14 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1O1IN](https://appshunter.io/developer/412439635) | [Yugo Okugawa](https://appshunter.io/developer/1861088480) |

## What reviewers say

### OldTaskManager

[App page](https://appshunter.io/ios/app/oldtaskmanager/id6752569914)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar ToDo

[App page](https://appshunter.io/ios/app/calendar-todo-progress-log/id6756511434)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar ToDo Plus Monthly | $1.99 | per month |
| Calendar ToDo Plus Annual | $14.99 | per year |


## Frequently asked questions

### Is OldTaskManager free?

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

### Is Calendar ToDo free?

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

### Do OldTaskManager or Calendar ToDo have ads?

Neither OldTaskManager nor Calendar ToDo shows ads.

### Which is updated more often, OldTaskManager or Calendar ToDo?

OldTaskManager ships an update every 5 days, and Calendar ToDo weekly. Most recently, OldTaskManager was updated on September 23, 2026 and Calendar ToDo on September 16, 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.*