# RiffTrax Sync vs Coax

The clearest difference is rating: Coax at 4.2 against RiffTrax Sync's 3.4. Coax also leads on review sentiment (77% vs 40%) and update cadence (weekly vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. RiffTrax Sync sells 18 one-off in-app purchases and Coax sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Coax holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 122 and 41 respectively. Written reviews point the same way: 40% of RiffTrax Sync's written reviews are positive against 77% of Coax's.

RiffTrax Sync ships an update every 5 months, Coax weekly. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RiffTrax Sync | Coax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (122 ratings)](https://appshunter.io/ios/app/rifftrax-sync/id794765479/reviews) | **[4.2 (41 ratings)](https://appshunter.io/ios/app/coax-surf-your-plex-server/id6752622762/reviews)** |
| Number of ratings | **122** | 41 |
| Positive reviews | 40.3% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 57 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 12+ | 17+ |
| Developer | [RiffTrax, LLC](https://appshunter.io/developer/1339329624) | [Out to Lunch Productions, LLC](https://appshunter.io/developer/367527515) |

## What reviewers say

### RiffTrax Sync

[App page](https://appshunter.io/ios/app/rifftrax-sync/id794765479)

This app synchronizes humorous audio commentaries with movies from various sources. It uses your device's microphone to detect the film and automatically aligns the jokes for a comedic viewing experience. Enjoy blockbusters and B-movies with a fresh, funny twist.

**Highlights:** Automatic audio commentary synchronization, Movie recognition via device microphone, Supports various playback sources (streaming, DVD, Blu-ray), Downloadable commentary tracks, Syncs with blockbusters and B-movies

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harry Potter and the Chamber of Secrets Riff | $4.99 | one-time |
| Harry Potter and the Sorcerers Stone Riff | $4.99 | one-time |
| Jurassic Park Riff | $4.99 | one-time |
| Lord of the Rings: Fellowship of the Ring Riff | $4.99 | one-time |
| The Room (RiffTrax Live Edition) Riff | $4.99 | one-time |
| Jaws Riff | $4.99 | one-time |
| Twilight Riff | $4.99 | one-time |
| Twilight: Eclipse Riff | $4.99 | one-time |
| Twilight: New Moon Riff | $4.99 | one-time |
| Star Wars Episode I: The Phantom Menace Riff | $4.99 | one-time |
| Star Wars Episode IV: A New Hope Riff | $4.99 | one-time |
| Road House (10th Anniversary Edition) Riff | $4.99 | one-time |
| Star Wars: Episode VII - The Force Awakens Riff | $4.99 | one-time |
| The Twilight Saga: Breaking Dawn - Part 1 parody Riff | $4.99 | one-time |
| Star Wars Episode II: Attack of the Clones Riff | $4.99 | one-time |
| Star Wars Episode III: Revenge of the Sith Riff | $4.99 | one-time |
| Harry Potter and the Prisoner of Azkaban Riff | $4.99 | one-time |
| Independence Day Riff | $4.99 | one-time |

**What reviewers like**

- 😂 Hilarious content
- 👍 Easy to use
- 🚀 Auto-sync works well
- 💡 Innovative syncing technology
- 💰 Good value for content

**What reviewers complain about**

- 🐛 Sync issues
- 🐛 Login failures
- 🐛 App crashes
- 🐛 No Bluetooth support
- 🐛 No Apple TV support

**Reported bugs**

- Login failed every time
- Sound or sync issues with titles
- Mechanism to match film with riff outdated
- Corrupted riff file
- Cannot log in

**Requested features**

- RiffTrax Friends integration
- Manual sync option
- Bluetooth speaker support
- Apple TV support
- Downloadable content


### Coax

[App page](https://appshunter.io/ios/app/coax-surf-your-plex-server/id6752622762)

Experience your Plex media library like a traditional cable TV experience. This app automatically generates channels from your existing content, allowing you to randomly discover movies and shows without the pressure of choosing.

**Highlights:** On-device Plex library channel surfing, Zero-setup integration, Automatic channel guide generation, Customizable channel categories (genre, decade, actor, etc.), Create channels from Plex Collections, Unify TV and movie libraries, Adjustable number of channels

**Features:** Family Sharing, SharePlay

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - 1st Week Free | $2.99 | per month |
| Annual - 1st Week Free | $29.99 | per year |
| Lifetime | $74.99 | one-time |


## Frequently asked questions

### Is RiffTrax Sync free?

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

### Is Coax free?

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

### Which has better reviews, RiffTrax Sync or Coax?

Coax is rated higher. RiffTrax Sync averages 3.4 out of 5 from 122 ratings, while Coax averages 4.2 from 41 ratings.

### Do RiffTrax Sync or Coax have ads?

Neither RiffTrax Sync nor Coax shows ads.

### Which is updated more often, RiffTrax Sync or Coax?

RiffTrax Sync ships an update every 5 months, and Coax weekly. Most recently, RiffTrax Sync was updated on October 17, 2026 and Coax 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.*