# Debt Clock vs Territory Study

The clearest difference is in-app purchases: Territory Study at none against Debt Clock's 2. Debt Clock's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Debt Clock sells 2 in-app purchases, starting at $1.99 per month. Territory Study asks for nothing beyond the download.

Debt Clock ships an update every 2 days, Territory Study every 4 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Debt Clock | Territory Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 25 MB | 32 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kanta Osumi](https://appshunter.io/developer/1872595837) | [tsukasa fujiwara](https://appshunter.io/developer/6794680344) |

## What reviewers say

### Debt Clock

[App page](https://appshunter.io/ios/app/debt-clock/id6758671250)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $1.99 | per month |
| プレミアムプラン（年額） | $14.99 | per year |


### Territory Study

[App page](https://appshunter.io/ios/app/territory-study/id6794680342)

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

**In-app purchases:** none


## Frequently asked questions

### Is Debt Clock free?

Debt Clock is free to download, with in-app purchases available.

### Is Territory Study free?

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

### Do Debt Clock or Territory Study have ads?

Both Debt Clock and Territory Study show ads.

### Which is updated more often, Debt Clock or Territory Study?

Debt Clock ships an update every 2 days, and Territory Study every 4 days. Most recently, Debt Clock was updated on October 25, 2026 and Territory Study on October 19, 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.*