# Natural Sleep Aid vs Polylog

The clearest difference is review sentiment: Natural Sleep Aid at 75% against Polylog's 0%. Natural Sleep Aid also leads on rating (3.4 vs 2.0) and ratings volume (5 vs 1). Polylog's advantage is update cadence (fortnightly vs every 27 months) and iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Natural Sleep Aid sells 4 in-app purchases, starting at $1.99 per month and Polylog sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Natural Sleep Aid holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: Natural Sleep Aid has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Natural Sleep Aid's written reviews are positive against 0% of Polylog's.

Natural Sleep Aid ships an update every 27 months, Polylog fortnightly. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Natural Sleep Aid | Polylog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/natural-sleep-aid/id899074955/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/polylog/id1622203191/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 27 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 127 MB | 50 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Equilibrium Srl](https://appshunter.io/developer/546309406) | [Thakornkrid Thanatharapokin](https://appshunter.io/developer/1622203193) |

## What reviewers say

### Natural Sleep Aid

[App page](https://appshunter.io/ios/app/natural-sleep-aid/id899074955)

This app offers music remedies designed to help users relax and fall asleep. It features seven high-quality, sleep-inducing songs with a captivating graphic interface. The basic version is free, with optional in-app purchases for additional sounds and a sleep timer.

**Highlights:** 7 high-quality sleep songs, Captivating graphic interface, Relaxing background visuals, Optional sound packs, Adjustable sleep timer, Suitable for baby sleep

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Monthly | $1.99 | per month |
| Sleep Yearly | $17.99 | per year |
| Relaxing Sounds Pack | $1.99 | one-time |
| Sleep Timer | $1.99 | one-time |


### Polylog

[App page](https://appshunter.io/ios/app/polylog/id1622203191)

This app offers a digital journaling experience, allowing users to express themselves through text, images, and decorative elements. It fosters a community where users can share entries and find inspiration from others.

**Highlights:** Versatile text editor, Add images, stickers, and decorations, Extensive content library, Virtual store for customization, Engage with a global community, Comment on diary entries

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 PolyCoins | $0.99 | one-time |
| 100 PolyCoins | $2.99 | one-time |
| 225 PolyCoins | $5.99 | one-time |
| 525 PolyCoins | $13.99 | one-time |
| 844 PolyCoins | $21.99 | one-time |
| 1070 Polycoins | $26.99 | one-time |
| 1500 PolyCoins | $38.99 | one-time |
| 1850 PolyCoins | $46.99 | one-time |
| 2300 PolyCoins | $54.99 | one-time |
| 3000 PolyCoins | $69.99 | one-time |


## Frequently asked questions

### Is Natural Sleep Aid free?

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

### Is Polylog free?

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

### Which has better reviews, Natural Sleep Aid or Polylog?

Natural Sleep Aid is rated higher. Natural Sleep Aid averages 3.4 out of 5 from 5 ratings, while Polylog averages 2.0 from 1 ratings.

### Do Natural Sleep Aid or Polylog have ads?

Both Natural Sleep Aid and Polylog show ads.

### Which is updated more often, Natural Sleep Aid or Polylog?

Natural Sleep Aid ships an update every 27 months, and Polylog fortnightly. Most recently, Natural Sleep Aid was updated on October 14, 2026 and Polylog on September 29, 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.*