# Dr vs Sleep Tracker

The clearest difference is in-app purchases: Dr at none against Sleep Tracker's 3. Dr also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sleep Tracker sells 3 in-app purchases, starting at $3.99 per month. Dr asks for nothing beyond the download.

Dr ships an update monthly, Sleep Tracker every 3 months. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Dr | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sleep-tracker-diary-and-log/id6787393525/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Subscription |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [URGIDOCTOR, LLC](https://appshunter.io/developer/1624425302) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### Dr

[App page](https://appshunter.io/ios/app/dr-sleepio/id6771101427)

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

**In-app purchases:** none


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-diary-and-log/id6787393525)

Understand your sleep patterns by logging bedtime, wake time, and quality. This private, offline app reveals trends and factor correlations to help you improve your rest and build better sleep routines.

**Highlights:** Sleep log and diary, Offline functionality, Trend charts, Factor correlations, Bedtime reminders, CSV export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $24.99 | per year |
| Premium Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Dr free?

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

### Is Sleep Tracker free?

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

### Do Dr or Sleep Tracker have ads?

Neither Dr nor Sleep Tracker shows ads.

### Which is updated more often, Dr or Sleep Tracker?

Dr ships an update monthly, and Sleep Tracker every 3 months. Most recently, Dr was updated on October 6, 2026 and Sleep Tracker on October 25, 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.*