# Backlogged vs Sleep Debt Tracker Calculator

Backlogged and Sleep Debt Tracker Calculator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. Backlogged sells 2 in-app purchases, starting at $3.99 per month 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.

Backlogged ships an update every 2 weeks, Sleep Debt Tracker Calculator every 3 weeks. The most recent releases landed on September 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Backlogged | Sleep Debt Tracker Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/backlogged-sleep-tracker/id6746973030/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Dunn](https://appshunter.io/developer/1819274515) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Backlogged

[App page](https://appshunter.io/ios/app/backlogged-sleep-tracker/id6746973030)

This app helps you understand and reduce your sleep debt for increased energy and focus. It provides a single, clear number for your sleep debt, personalized insights, and actionable targets to improve your sleep habits. All your data is securely stored on your device and privately backed up.

**Highlights:** Automatic sleep data import from Apple Health, Single Sleep Debt Number visualization, Understandable sleep debt charts, Personalized targets for sleep debt reduction, Dynamic sleep debt calculation options, Private iCloud sync across devices

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backlogged Monthly | $3.99 | per month |
| Backlogged Annual | $19.99 | per year |


### 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 Backlogged free?

Backlogged 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 Backlogged or Sleep Debt Tracker Calculator have ads?

Neither Backlogged nor Sleep Debt Tracker Calculator shows ads.

### Which is updated more often, Backlogged or Sleep Debt Tracker Calculator?

Backlogged ships an update every 2 weeks, and Sleep Debt Tracker Calculator every 3 weeks. Most recently, Backlogged was updated on September 23, 2026 and Sleep Debt Tracker Calculator on October 11, 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.*