# StudyMgr vs Debt Clock

The clearest difference is update cadence: Debt Clock at every 2 days against StudyMgr's every 3 months. Debt Clock also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StudyMgr sells 2 in-app purchases, starting at $4.99 per month and Debt Clock sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

StudyMgr ships an update every 3 months, Debt Clock every 2 days. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | StudyMgr | Debt Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroaki Abe](https://appshunter.io/developer/1554815876) | [Kanta Osumi](https://appshunter.io/developer/1872595837) |

## What reviewers say

### StudyMgr

[App page](https://appshunter.io/ios/app/studymgr-srsly-pomodoro-timer/id6587559877)

This app helps you focus on studying by limiting phone usage and employing the Pomodoro Technique. It aids in goal setting, progress tracking, and visualizing learning outcomes to build confidence and prevent addiction.

**Highlights:** Smartphone usage restriction, Goal and plan management, Pomodoro Technique timer, Visualize learning outcomes, Progress tracking, Customizable study plans

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(monthly) | $4.99 | per month |
| Pro(Annual) | $29.99 | per year |


### 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 |


## Frequently asked questions

### Is StudyMgr free?

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

### Is Debt Clock free?

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

### Do StudyMgr or Debt Clock have ads?

Both StudyMgr and Debt Clock show ads.

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

StudyMgr ships an update every 3 months, and Debt Clock every 2 days. Most recently, StudyMgr was updated on September 23, 2026 and Debt Clock on October 1, 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.*