# Debt Clock vs WithStudy

The clearest difference is ads: WithStudy at none against Debt Clock's shown. Debt Clock's advantage is update cadence (every 2 days vs every 10 days) and iOS requirement (13.0 vs 15.1). On price, in-app purchases 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 and WithStudy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Debt Clock ships an update every 2 days, WithStudy every 10 days. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Debt Clock | WithStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 25 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kanta Osumi](https://appshunter.io/developer/1872595837) | [Yoshihiro Shiozaki](https://appshunter.io/developer/1885735636) |

## 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 |


### WithStudy

[App page](https://appshunter.io/ios/app/withstudy/id6760686329)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WithStudy Premium (Monthly) | $4.99 | per month |
| WithStudy Premium (Annual) | $39.99 | per year |


## Frequently asked questions

### Is Debt Clock free?

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

### Is WithStudy free?

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

### Do Debt Clock or WithStudy have ads?

Debt Clock shows ads; WithStudy does not.

### Which is updated more often, Debt Clock or WithStudy?

Debt Clock ships an update every 2 days, and WithStudy every 10 days. Most recently, Debt Clock was updated on September 13, 2026 and WithStudy 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.*