# Quadcorder vs RiffTrax

The clearest difference is price: RiffTrax at Free against Quadcorder's $1.99. Quadcorder's advantage is in-app purchases (none vs 4) and ratings volume (80 vs 20). On rating, review sentiment, update cadence and ads there is nothing between them.

RiffTrax is free to download; Quadcorder costs $1.99 up front. RiffTrax sells 4 in-app purchases, starting at $6.99 per month. Quadcorder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.9 for Quadcorder against 3.9 for RiffTrax. Both are backed by a comparable volume of ratings — 80 and 20 respectively. Written reviews are what separate them: 67% of Quadcorder's written reviews are positive against 68% of RiffTrax's.

Quadcorder ships an update every 4 months, RiffTrax every 6 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Quadcorder | RiffTrax |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.9 (80 ratings)](https://appshunter.io/ios/app/quadcorder/id298654660/reviews) | [3.9 (20 ratings)](https://appshunter.io/ios/app/rifftrax/id1627102642/reviews) |
| Number of ratings | **80** | 20 |
| Positive reviews | 67.2% of reviews | **68.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 53 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Adam McElhaney](https://appshunter.io/developer/298654663) | [RiffTrax, LLC](https://appshunter.io/developer/1339329624) |

## What reviewers say

### Quadcorder

[App page](https://appshunter.io/ios/app/quadcorder/id298654660)

Transform your device into a futuristic scanner with multiple animated scanning modes and sound effects. Perfect for sci-fi enthusiasts looking to enhance their imaginative play and role-playing experiences.

**Highlights:** Futuristic scanning device simulation, Three distinct scanning modes, Animated graphics, Sound effects, Customizable background volume and sound

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Fun and entertaining novelty app for Star Trek fans
- 🔊 Authentic sound effects and beeps
- 🎨 Colorful and visually appealing graphics
- ⚡ Responsive button interactions
- 💰 Affordable price point ($0.99-$2.00)

**What reviewers complain about**

- 🐛 Sound functionality breaks with iOS updates
- 📱 Not optimized for newer screen sizes
- ❌ No actual functional features or real sensor integration
- 🔇 Muted by default, confusing for new users
- ⚠️ Inconsistent audio across different iOS versions

**Reported bugs**

- Sound stops working after iOS updates
- Emergency data upload button animation broken
- App crashes on iOS 9 and later versions
- No audio on iOS 14.2 and newer
- Intermittent sound functionality

**Requested features**

- Update for iPhone 14+ and iPad Pro screen sizes
- Real sensor integration (camera, GPS, accelerometer)
- Medical/body scan display screen
- More interactive screens and functionality
- Voyager or Nemesis tricorder variants


### RiffTrax

[App page](https://appshunter.io/ios/app/rifftrax/id1627102642)

This app provides access to a library of humorous commentary for movies. Users can stream purchased content or subscribe for unlimited access to a curated selection of videos. Features include offline playback and casting to other devices.

**Highlights:** Stream purchased movie commentary, Download videos for offline playback, Subscribe for unlimited streaming access, AirPlay and Chromecast support, Curated content playlists, Friends-only discounts

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Friends (Monthly) | $6.99 | per month |
| Best Friends | $12.99 | per month |
| Friends (annual) | $74.99 | per year |
| Best Friends (annual) | $129.99 | per year |


## Frequently asked questions

### Is Quadcorder free?

Quadcorder costs $1.99, with no in-app purchases.

### Is RiffTrax free?

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

### Which has better reviews, Quadcorder or RiffTrax?

Quadcorder and RiffTrax are both rated 3.9 out of 5 on the App Store, from 80 and 20 ratings respectively.

### Do Quadcorder or RiffTrax have ads?

Neither Quadcorder nor RiffTrax shows ads.

### Which is updated more often, Quadcorder or RiffTrax?

Quadcorder ships an update every 4 months, and RiffTrax every 6 months. Most recently, Quadcorder was updated on October 18, 2026 and RiffTrax on October 9, 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.*