# Activity Block vs Determination Calendar

The clearest difference is price: Determination Calendar at Free against Activity Block's $0.99. Determination Calendar also leads on update cadence (every 3 weeks vs every 14 months). Activity Block's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Determination Calendar is free to download; Activity Block costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Activity Block ships an update every 14 months, Determination Calendar every 3 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Activity Block | Determination Calendar |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Size | 1 MB | 36 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luciano Souto](https://appshunter.io/developer/945191416) | [sangwan hong](https://appshunter.io/developer/1609172222) |

## What reviewers say

### Activity Block

[App page](https://appshunter.io/ios/app/activity-block/id6474466722)

**Features:** macOS Compatibility

**In-app purchases:** none


### Determination Calendar

[App page](https://appshunter.io/ios/app/determination-calendar/id6740302394)

**In-app purchases:** none


## Frequently asked questions

### Is Activity Block free?

Activity Block costs $0.99, with no in-app purchases.

### Is Determination Calendar free?

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

### Do Activity Block or Determination Calendar have ads?

Determination Calendar shows ads; Activity Block does not.

### Which is updated more often, Activity Block or Determination Calendar?

Activity Block ships an update every 14 months, and Determination Calendar every 3 weeks. Most recently, Activity Block was updated on October 7, 2026 and Determination Calendar on October 7, 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.*