# Sleepisol+ vs PureWaves

The clearest difference is in-app purchases: Sleepisol+ at none against PureWaves's 1. Sleepisol+ also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PureWaves sells 1 one-off in-app purchase. Sleepisol+ asks for nothing beyond the download.

Sleepisol+ ships an update fortnightly, PureWaves every 10 days. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sleepisol+ | PureWaves |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 187 MB | 2 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [leesol](https://appshunter.io/developer/1584929445) | [Daniel Alberto Martinez Martel](https://appshunter.io/developer/6795417451) |

## What reviewers say

### Sleepisol+

[App page](https://appshunter.io/ios/app/sleepisol-plus/id1640230965)

**Features:** macOS Compatibility

**In-app purchases:** none


### PureWaves

[App page](https://appshunter.io/ios/app/purewaves/id6801891538)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $8.99 | one-time |


## Frequently asked questions

### Is Sleepisol+ free?

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

### Is PureWaves free?

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

### Do Sleepisol+ or PureWaves have ads?

Neither Sleepisol+ nor PureWaves shows ads.

### Which is updated more often, Sleepisol+ or PureWaves?

Sleepisol+ ships an update fortnightly, and PureWaves every 10 days. Most recently, Sleepisol+ was updated on September 24, 2026 and PureWaves on October 7, 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.*