# HouseCurve vs PixelScale

The clearest difference is in-app purchases: PixelScale at none against HouseCurve's 2. PixelScale also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 81%). HouseCurve's advantage is update cadence (every 2 months vs every 9 months) and ratings volume (259 vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HouseCurve sells 2 one-off in-app purchases. PixelScale asks for nothing beyond the download.

PixelScale holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HouseCurve has 259 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 81% of HouseCurve's written reviews are positive against 100% of PixelScale's.

HouseCurve ships an update every 2 months, PixelScale every 9 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | HouseCurve | PixelScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (259 ratings)](https://appshunter.io/ios/app/housecurve/id1470695018/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pixelscale/id6745334643/reviews)** |
| Number of ratings | **259** | 5 |
| Positive reviews | 80.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 1 MB |
| Requires iOS | 18.6 | **18.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Wilding](https://appshunter.io/developer/1470695017) | [Eugenio Liscio](https://appshunter.io/developer/1811803750) |

## What reviewers say

### HouseCurve

[App page](https://appshunter.io/ios/app/housecurve/id1470695018)

This app provides a suite of tools for tuning audio systems, including room correction, equalizer adjustments, and subwoofer phase setting. It measures in-room frequency response and can generate filter settings for various audio systems. It's suitable for home and car audio enthusiasts looking to optimize their sound.

**Highlights:** Sine sweep and pink noise measurements, Real-time moving mic measurements, Target curve comparison and creation, Room correction filter generation (PEQ/FIR), Magnitude, phase, and group delay display, Compatibility with various audio systems

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tuning Bundle One Year | $20.00 | one-time |
| Tuning Bundle Lifetime | $70.00 | one-time |

**What reviewers like**

- 👍 Easy to use and setup
- 💰 Great value for money
- 🔊 Significantly improves sound quality
- 📱 Utilizes iPhone microphone effectively
- 🔌 Compatible with various EQ software (e.g., Equalizer APO, Roon)

**What reviewers complain about**

- 🐛 Unreliable connection issues
- 🐛 Frequent crashes or bugs
- 🐛 App asks to upgrade after purchase
- 🐛 Bluetooth connectivity issues
- 🐛 Sweep tone not detected

**Reported bugs**

- Will not connect to iPhone
- Won't connect and play after upgrades
- App keeps asking to upgrade after payment
- Cannot connect to Airplay music systems
- Bluetooth doesn't work well

**Requested features**

- True support for headphones
- Download measured plots for offline analysis
- Ability to export a zip of filters at once
- Option to normalize filters
- Clarification on Q value for EQ frequencies


### PixelScale

[App page](https://appshunter.io/ios/app/pixelscale/id6745334643)

This utility app allows you to take precise measurements directly from your photographs. It's ideal for professionals and hobbyists needing accurate dimensions from images, supporting various units and exporting results with overlays.

**Highlights:** Import photos or take new ones, Set real-world scale, Measure any distance accurately, Export measurements with overlays, Support for multiple units, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HouseCurve free?

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

### Is PixelScale free?

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

### Which has better reviews, HouseCurve or PixelScale?

PixelScale is rated higher. HouseCurve averages 4.7 out of 5 from 259 ratings, while PixelScale averages 5.0 from 5 ratings.

### Do HouseCurve or PixelScale have ads?

Neither HouseCurve nor PixelScale shows ads.

### Which is updated more often, HouseCurve or PixelScale?

HouseCurve ships an update every 2 months, and PixelScale every 9 months. Most recently, HouseCurve was updated on October 15, 2026 and PixelScale on September 29, 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.*