# RiffTrax Sync vs Full Moon Features

The clearest difference is review sentiment: Full Moon Features at 94% against RiffTrax Sync's 40%. Full Moon Features also leads on rating (4.6 vs 3.4). RiffTrax Sync's advantage is monetization model (free with in-app purchases vs subscription). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. RiffTrax Sync sells 18 one-off in-app purchases and Full Moon Features sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Full Moon Features holds the better App Store score, 4.6 against 3.4. Both are backed by a comparable volume of ratings — 122 and 226 respectively. Written reviews point the same way: 40% of RiffTrax Sync's written reviews are positive against 94% of Full Moon Features's.

RiffTrax Sync ships an update every 5 months, Full Moon Features every 4 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | RiffTrax Sync | Full Moon Features |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (122 ratings)](https://appshunter.io/ios/app/rifftrax-sync/id794765479/reviews) | **[4.6 (226 ratings)](https://appshunter.io/ios/app/full-moon-features/id1473981746/reviews)** |
| Number of ratings | 122 | **226** |
| Positive reviews | 40.3% of reviews | **94.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 62 MB | 80 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple TV** |
| Age rating | 12+ | 17+ |
| Developer | [RiffTrax, LLC](https://appshunter.io/developer/1339329624) | [Full Moon Empire Inc](https://appshunter.io/developer/1378666752) |

## 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


### Full Moon Features

[App page](https://appshunter.io/ios/app/full-moon-features/id1473981746)

Stream a vast library of cult horror, sci-fi, fantasy, and exploitation films 24/7. Discover classic creature features, Eurocult gems, retro erotica, and exclusive new releases. Enjoy new content added weekly and VIP access to livestreams of upcoming productions.

**Highlights:** Hundreds of cult movie titles, New content added weekly, VIP access to livestreams, One account across platforms, Horror, Sci-Fi, Fantasy genres

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Moon Subscription | $6.99 | per month |
| Full Moon Subscription | $59.99 | per year |
| Full Moon Features - 399 | $3.99 | one-time |
| Full Moon Features - 699 | $6.99 | one-time |

**What reviewers like**

- 👍 Great streaming service
- 👍 Easy to navigate
- 👍 Delightfully pleasing content
- 👍 Nostalgic and fun
- 👍 Awesome collection of cult classics

**What reviewers complain about**

- 🐛 Occasional buffering issues
- 🐛 Difficulty subscribing in certain regions
- 🔍 Could use better search/browsing features

**Reported bugs**

- Subscription page issues (loading, access)
- Compatibility problems on older devices

**Requested features**

- Add director's commentaries and special features
- Implement user rating/review system
- Expand to more platforms (e.g. PlayStation)


## Frequently asked questions

### Is RiffTrax Sync free?

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

### Is Full Moon Features free?

Full Moon Features is free to download, with in-app purchases available.

### Which has better reviews, RiffTrax Sync or Full Moon Features?

Full Moon Features is rated higher. RiffTrax Sync averages 3.4 out of 5 from 122 ratings, while Full Moon Features averages 4.6 from 226 ratings.

### Do RiffTrax Sync or Full Moon Features have ads?

Neither RiffTrax Sync nor Full Moon Features shows ads.

### Which is updated more often, RiffTrax Sync or Full Moon Features?

RiffTrax Sync ships an update every 5 months, and Full Moon Features every 4 months. Most recently, RiffTrax Sync was updated on October 8, 2026 and Full Moon Features on October 8, 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.*