# Nookbox vs Evolv28 Sleep Pro

The clearest difference is in-app purchases: Evolv28 Sleep Pro at none against Nookbox's 6. Evolv28 Sleep Pro also leads on update cadence (every 3 days vs every 7 months). Nookbox's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price and ads there is nothing between them.

Both are free to download. Nookbox sells 6 in-app purchases, starting at $2.99 per month. Evolv28 Sleep Pro asks for nothing beyond the download.

Nookbox ships an update every 7 months, Evolv28 Sleep Pro every 3 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Nookbox | Evolv28 Sleep Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 371 MB | 39 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Teletec Connect AB](https://appshunter.io/developer/1321286818) | [AETHER MINDTECH SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1632013155) |

## What reviewers say

### Nookbox

[App page](https://appshunter.io/ios/app/nookbox/id1321286819)

**Features:** macOS Compatibility, Family Sharing, Apple Wallet

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO #2 | $2.99 | per month |
| PRO #3 | $2.99 | per month |
| PRO #4 | $2.99 | per month |
| PRO #5 | $2.99 | per month |
| PRO #6 | $2.99 | per month |
| PRO #1 | $3.99 | per month |


### Evolv28 Sleep Pro

[App page](https://appshunter.io/ios/app/evolv28-sleep-pro/id6776373312)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nookbox free?

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

### Is Evolv28 Sleep Pro free?

Evolv28 Sleep Pro is free to download, with no in-app purchases.

### Do Nookbox or Evolv28 Sleep Pro have ads?

Neither Nookbox nor Evolv28 Sleep Pro shows ads.

### Which is updated more often, Nookbox or Evolv28 Sleep Pro?

Nookbox ships an update every 7 months, and Evolv28 Sleep Pro every 3 days. Most recently, Nookbox was updated on October 7, 2026 and Evolv28 Sleep Pro on October 14, 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.*