# OXYGEN vs Grating Simulator

The clearest difference is ads: Grating Simulator at none against OXYGEN's shown. Grating Simulator also leads on update cadence (every 5 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OXYGEN ships an update every 5 weeks, Grating Simulator every 5 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OXYGEN | Grating Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/oxygen/id700797306/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 240 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Versant Media LLC](https://appshunter.io/developer/1840809836) | [Mark Barclay](https://appshunter.io/developer/1779667710) |

## What reviewers say

### OXYGEN

[App page](https://appshunter.io/ios/app/oxygen/id700797306)

Stream full episodes of popular true crime shows, watch live TV, and access on-demand content from a family of networks. Requires a TV provider subscription for full access.

**Highlights:** Watch latest episodes day after airing, Live stream TV 24/7, Access on-demand content, Stream content from multiple networks, Filter shows by network and genre, Sign in with TV provider subscription

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🙌 Great true crime content
- 💕 Favorite shows like Dateline and Bad Girls Club
- 🕵️‍♀️ Captivating true crime documentaries

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔁 Constantly having to log in and link TV provider
- ⚠️ Playback issues, video freezing, and skipping
- 🔇 Sound cutting out and audio problems
- 🤔 Confusing and frustrating user interface

**Reported bugs**

- App frequently logs out of TV provider
- Videos fail to play or get stuck on ads
- Inconsistent performance across devices
- Crashes and freezes during playback

**Requested features**

- Offer monthly subscription option without cable
- Improve episode tracking and resume playback
- Add more content and older seasons of shows


### Grating Simulator

[App page](https://appshunter.io/ios/app/grating-simulator/id6759843063)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OXYGEN free?

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

### Is Grating Simulator free?

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

### Do OXYGEN or Grating Simulator have ads?

OXYGEN shows ads; Grating Simulator does not.

### Which is updated more often, OXYGEN or Grating Simulator?

OXYGEN ships an update every 5 weeks, and Grating Simulator every 5 days. Most recently, OXYGEN was updated on November 2, 2026 and Grating Simulator on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*