# Astron vs Sleep Tracker

The clearest difference is in-app purchases: Astron at none against Sleep Tracker's 18. Astron also leads on ads (none vs shown) and rating (5.0 vs 4.7). Sleep Tracker's advantage is ratings volume (8K vs 1) and update cadence (every 3 weeks vs every 2 months). On price, review sentiment, 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. Astron asks for nothing beyond the download.

Astron holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sleep Tracker has 8K ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 49% positive.

Astron ships an update every 2 months, Sleep Tracker every 3 weeks. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Astron | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astron/id1490916537/reviews)** | [4.7 (8K ratings)](https://appshunter.io/ios/app/sleep-tracker-recorder-sound/id1551928101/reviews) |
| Number of ratings | 1 | **8K** |
| Positive reviews | **50.0% of reviews** | 49.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 205 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ivan Protasov](https://appshunter.io/developer/1490916536) | [Leap Health](https://appshunter.io/developer/1687598595) |

## What reviewers say

### Astron

[App page](https://appshunter.io/ios/app/astron/id1490916537)

Access group online training sessions and book workouts at your convenience. View club card status, pricing, and detailed club information. Pay for club cards or personal training and connect with clubs via chat.

**Highlights:** Group online training access, Workout booking, Club card status, Club information, Online payments, Trainer profiles, Club chat

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Astron free?

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

### Is Sleep Tracker free?

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

### Which has better reviews, Astron or Sleep Tracker?

Astron is rated higher. Astron averages 5.0 out of 5 from 1 ratings, while Sleep Tracker averages 4.7 from 8K ratings.

### Do Astron or Sleep Tracker have ads?

Sleep Tracker shows ads; Astron does not.

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

Astron ships an update every 2 months, and Sleep Tracker every 3 weeks. Most recently, Astron was updated on October 7, 2026 and Sleep Tracker on October 22, 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.*