# Sleep Debt vs Sleep Debt Tracker Calculator

Sleep Debt and Sleep Debt Tracker Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Sleep Debt sells 3 in-app purchases, starting at $1.99 per 7 days and Sleep Debt Tracker Calculator sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sleep Debt | Sleep Debt Tracker Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 39 MB | 5 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [VOLKAN USTEKIDAG](https://appshunter.io/developer/1853274617) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Sleep Debt

[App page](https://appshunter.io/ios/app/sleep-debt-sleep-tracker/id6758273607)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Yearly | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


### Sleep Debt Tracker Calculator

[App page](https://appshunter.io/ios/app/sleep-debt-tracker-calculator/id6771320331)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Yearly | $29.99 | per year |
| Lifetime Pro | $59.99 | one-time |


## Frequently asked questions

### Is Sleep Debt free?

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

### Is Sleep Debt Tracker Calculator free?

Sleep Debt Tracker Calculator is free to download, with in-app purchases available.

### Do Sleep Debt or Sleep Debt Tracker Calculator have ads?

Neither Sleep Debt nor Sleep Debt Tracker Calculator shows ads.

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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.*