# Is It Snappy? vs Qudelix

The clearest difference is rating: Is It Snappy? at 4.9 against Qudelix's 4.4. Is It Snappy? also leads on review sentiment (83% vs 70%). Qudelix's advantage is update cadence (every 6 weeks vs every 6 months) and ratings volume (84 vs 28). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Is It Snappy? holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 28 and 84 respectively. Written reviews point the same way: 83% of Is It Snappy?'s written reviews are positive against 70% of Qudelix's.

Is It Snappy? ships an update every 6 months, Qudelix every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Is It Snappy? | Qudelix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/is-it-snappy/id1219667593/reviews)** | [4.4 (84 ratings)](https://appshunter.io/ios/app/qudelix/id1515641059/reviews) |
| Number of ratings | 28 | **84** |
| Positive reviews | **82.6% of reviews** | 69.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 21 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chad Austin](https://appshunter.io/developer/1206056095) | [Qudelix, Inc.](https://appshunter.io/developer/1515641058) |

## What reviewers say

### Is It Snappy?

[App page](https://appshunter.io/ios/app/is-it-snappy/id1219667593)

Measure the input-to-output latency of your devices, text editors, game consoles, or televisions. Record a video of a button press and its on-screen effect, then use the frame-accurate scrubbing tool to mark precise input and output times. The app calculates the difference in milliseconds, providing objective responsiveness data.

**Highlights:** Measure input-to-output latency, High-frame-rate camera recording, Frame-accurate scrubbing UI, Precise input and output time marking, Objective responsiveness quantification

**Features:** macOS Compatibility

**In-app purchases:** none


### Qudelix

[App page](https://appshunter.io/ios/app/qudelix/id1515641059)

This app serves as an official remote controller for compatible Qudelix DAC/AMP devices. It allows users to connect via Bluetooth to manage audio settings, customize equalizers, and monitor device status. Users can also update device firmware and view streaming information.

**Highlights:** Device control and status monitoring, Equalizer settings and preset management, Volume control, DAC and audio output settings, Battery status monitoring, Device firmware updates

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app, works perfect
- 💡 Amazing EQ results
- 🚀 Super long term support
- 👍 NO bugs. Runs well.
- 👍 Great control app

**What reviewers complain about**

- 🐛 UI clearly created by engineers
- 🐛 Documentation not updated correctly
- 🐛 Unacceptable basic feature setup
- 🐛 Won't recognize Bluetooth devices
- 🐛 Useless if can't connect device

**Reported bugs**

- App needs work
- Documentation does not provide a coherent answer
- Wont recognize any Bluetooth devices
- App is useless if you can’t connect a device to it
- Doesn’t work on iPhone 15

**Requested features**

- How to set a preset for PEQ for each headphone
- Firefox or Safari extension
- Dark mode
- Live 20 band VU meter displayed in low opacity behind EQ curve
- Update autoeq list


## Frequently asked questions

### Is Is It Snappy? free?

Is It Snappy? is free to download, with no in-app purchases.

### Is Qudelix free?

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

### Which has better reviews, Is It Snappy? or Qudelix?

Is It Snappy? is rated higher. Is It Snappy? averages 4.9 out of 5 from 28 ratings, while Qudelix averages 4.4 from 84 ratings.

### Do Is It Snappy? or Qudelix have ads?

Neither Is It Snappy? nor Qudelix shows ads.

### Which is updated more often, Is It Snappy? or Qudelix?

Is It Snappy? ships an update every 6 months, and Qudelix every 6 weeks. Most recently, Is It Snappy? was updated on November 2, 2026 and Qudelix on November 3, 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.*