# Codex vs Sleep Sounds

The clearest difference is in-app purchases: Codex at none against Sleep Sounds's 6. Sleep Sounds's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sleep Sounds sells 4 in-app purchases, starting at $0.99 per month. Codex asks for nothing beyond the download.

Codex ships an update every 4 months, Sleep Sounds every 3 weeks. The most recent releases landed on July 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Codex | Sleep Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (70 ratings)](https://appshunter.io/ios/app/sleep-sounds-sleeptv/id1644966394/reviews)** |
| Number of ratings | — | **70** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 62 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Magzhan Sarsenbek](https://appshunter.io/developer/1284507766) | [Kirill Skotnikov](https://appshunter.io/developer/1536958494) |

## What reviewers say

### Codex

[App page](https://appshunter.io/ios/app/codex/id1506760275)

**Features:** Vision Pro support

**In-app purchases:** none


### Sleep Sounds

[App page](https://appshunter.io/ios/app/sleep-sounds-sleeptv/id1644966394)

This app offers a variety of video and audio content designed to promote better sleep. It provides access to white noise and other soothing sounds to help users relax and fall asleep faster. Subscription options are available for unlimited access.

**Highlights:** Video and audio content for sleep, White noise for relaxation, Subscription for unlimited access, Automatic renewal options, Cancel anytime

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepTV: Month | $0.99 | per month |
| SleepTV | $4.99 | per 7 days |
| Sleep Sounds | $4.99 | per year |
| SleepTV: Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Codex free?

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

### Is Sleep Sounds free?

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

### Do Codex or Sleep Sounds have ads?

Neither Codex nor Sleep Sounds shows ads.

### Which is updated more often, Codex or Sleep Sounds?

Codex ships an update every 4 months, and Sleep Sounds every 3 weeks. Most recently, Codex was updated on July 22, 2026 and Sleep Sounds on September 15, 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.*