# OneObjective vs Notes Tasks Calendar

The clearest difference is in-app purchases: OneObjective at none against Notes Tasks Calendar's 2. OneObjective also leads on iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Notes Tasks Calendar sells 2 in-app purchases, starting at $1.99 per year. OneObjective asks for nothing beyond the download.

## The numbers

| Metric | OneObjective | Notes Tasks Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 41 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Yamamoto](https://appshunter.io/developer/1616149837) | [Keisuke Sugimoto](https://appshunter.io/developer/6776073638) |

## What reviewers say

### OneObjective

[App page](https://appshunter.io/ios/app/oneobjective-goal-and-tasks/id6788435566)

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

**In-app purchases:** none


### Notes Tasks Calendar

[App page](https://appshunter.io/ios/app/notes-tasks-calendar-utility/id6815232764)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter (Yearly) | $1.99 | per year |
| Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is OneObjective free?

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

### Is Notes Tasks Calendar free?

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

### Do OneObjective or Notes Tasks Calendar have ads?

Neither OneObjective nor Notes Tasks Calendar shows ads.

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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.*