# Determination Calendar vs TrackChart

The clearest difference is ads: TrackChart at none against Determination Calendar's shown. TrackChart also leads on update cadence (every 3 days vs every 3 weeks). Determination Calendar's advantage is iOS requirement (15.6 vs 18.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Determination Calendar ships an update every 3 weeks, TrackChart every 3 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Determination Calendar | TrackChart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 36 MB | 3 MB |
| Requires iOS | **15.6** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sangwan hong](https://appshunter.io/developer/1609172222) | [Lennart Wisbar](https://appshunter.io/developer/1853970458) |

## What reviewers say

### Determination Calendar

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

**In-app purchases:** none


### TrackChart

[App page](https://appshunter.io/ios/app/trackchart/id6755447497)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Determination Calendar free?

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

### Is TrackChart free?

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

### Do Determination Calendar or TrackChart have ads?

Determination Calendar shows ads; TrackChart does not.

### Which is updated more often, Determination Calendar or TrackChart?

Determination Calendar ships an update every 3 weeks, and TrackChart every 3 days. Most recently, Determination Calendar was updated on October 7, 2026 and TrackChart on October 3, 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.*