# Sleep Tracker vs SleepisolBio

The clearest difference is in-app purchases: SleepisolBio at none against Sleep Tracker's 18. SleepisolBio also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sleep Tracker sells 16 in-app purchases, starting at $4.99 per month. SleepisolBio asks for nothing beyond the download.

Sleep Tracker ships an update every 3 weeks, SleepisolBio every 10 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sleep Tracker | SleepisolBio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (8K ratings)](https://appshunter.io/ios/app/sleep-tracker-recorder-sound/id1551928101/reviews)** | — |
| Number of ratings | **8K** | — |
| Positive reviews | 49.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 205 MB | 1.1 GB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Leap Health](https://appshunter.io/developer/1687598595) | [leesol](https://appshunter.io/developer/1584929445) |

## What reviewers say

### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-recorder-sound/id1551928101)

This intelligent sleep assistant helps you understand your sleep patterns with detailed analysis and recordings of snoring or sleep talking. It offers a library of relaxation tools, including meditation and sleep stories, to improve sleep quality and features a smart alarm to help you wake up refreshed.

**Highlights:** Sleep cycle analysis, Snore and sleep talk recording, Meditation and sleep stories, Soothing sounds and white noise, Smart alarm clock, Sleep notes and mood logging, Apple Health sync

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Quarterly Premium | $9.99 | per 3 months |
| Annual Purchase | $9.99 | per year |
| Monthly Premium | $9.99 | per month |
| Annual Purchase | $11.99 | per year |
| Monthly Premium | $12.49 | per month |
| Annual Purchase | $14.99 | per year |
| Monthly Premium | $14.99 | per month |
| Annual Purchase | $17.99 | per year |
| Premium Yearly | $19.99 | per year |
| Annual Purchase | $19.99 | per year |
| Quarterly Premium | $19.99 | per 3 months |
| Annual Purchase | $23.99 | per year |
| Annual Purchase | $29.99 | per year |
| Annual Purchase | $39.99 | per year |
| Annual Purchase | $39.99 | per year |

**What reviewers like**

- 🚀 Works now and user loves it
- 👍 Great app, fully genuine sleep tracker
- 👍 Helps user sleep better
- 👍 Gives insight into sleep quality
- 👍 Accurate most of the time

**What reviewers complain about**

- 🐛 Inaccurate, doesn't record wake-ups
- 🔋 Drains phone battery
- 💰 Too many features locked behind paywall
- 🐛 Recordings are just static
- 🐛 Doesn't always record sleep accurately

**Reported bugs**

- Recordings only allow 3 free clips
- Doesn't record wake-ups and movements accurately
- Alarm doesn't always work
- Charges during free trial period

**Requested features**

- Ability to filter out white noise and record actual sleep-talk/snoring
- Option to disable bedtime feature for shift workers
- Integration with smart home devices to adjust sleep environment
- Social sleep challenges with friends
- Personalized sleep coaching


### SleepisolBio

[App page](https://appshunter.io/ios/app/sleepisolbio/id6739985543)

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Tracker free?

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

### Is SleepisolBio free?

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

### Do Sleep Tracker or SleepisolBio have ads?

Sleep Tracker shows ads; SleepisolBio does not.

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

Sleep Tracker ships an update every 3 weeks, and SleepisolBio every 10 days. Most recently, Sleep Tracker was updated on October 24, 2026 and SleepisolBio 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.*