# Quiztones vs D442

The clearest difference is in-app purchases: D442 at none against Quiztones's 3. D442 also leads on update cadence (monthly vs every 3 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Quiztones sells 3 in-app purchases, starting at $4.99 per month. D442 asks for nothing beyond the download.

Quiztones ships an update every 3 months, D442 monthly. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Quiztones | D442 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (358 ratings)](https://appshunter.io/ios/app/quiztones-eq-ear-training/id436707254/reviews)** | — |
| Number of ratings | **358** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 19 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [The Pro Audio Files](https://appshunter.io/developer/1243138013) | [Hong Pin](https://appshunter.io/developer/1719060928) |

## What reviewers say

### Quiztones

[App page](https://appshunter.io/ios/app/quiztones-eq-ear-training/id436707254)

This app helps music producers and engineers develop their critical listening skills for audio mixing. It offers a unique, ear-focused training system to identify and address frequency issues quickly, improving mixes in just minutes a day. Users can train with their own music and see significant improvements in just two weeks.

**Highlights:** Identify and remove problem frequencies, Develop critical listening skills, Eliminate frequency sweeping, Train ears without visual cues, 450+ frequency-based quizzes, Import own audio for training, Multiple training modes and levels

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quiztones Pro — Monthly | $4.99 | per month |
| Quiztones Pro — Annual | $19.99 | per year |
| Quiztones Pro — Annual | $19.99 | per year |

**What reviewers like**

- 👍 Solid, navigable UI
- 🚀 Easy to repeat tests
- 👍 Lots of different sounds to train with
- 👍 Great for improving ear frequency recognition
- 👍 Helpful for mixing and live sound engineering

**What reviewers complain about**

- 💰 Subscription-based model
- 🔒 No option to own the app outright
- 🐛 Issues with restoring purchases
- 🐛 Compatibility problems with iOS 8
- 🔒 Locked features behind paywall

**Reported bugs**

- iTunes library integration not working
- EQ boost/cut not audible in some cases

**Requested features**

- Progress tracking and statistics
- Ability to select specific frequency ranges
- More varied quiz types (e.g. compression, panning)
- Competitive leaderboard or social features
- Tone generator with multiple waveforms


### D442

[App page](https://appshunter.io/ios/app/d442/id6760887090)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Quiztones free?

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

### Is D442 free?

D442 is free to download, with no in-app purchases.

### Do Quiztones or D442 have ads?

Neither Quiztones nor D442 shows ads.

### Which is updated more often, Quiztones or D442?

Quiztones ships an update every 3 months, and D442 monthly. Most recently, Quiztones was updated on November 6, 2026 and D442 on October 25, 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.*