Miso AV Lab
Speaker, Display & HDR Tests
$2.99 · In‑App Purchases
Identify loudspeakers, show test patterns and HDR windows, and align picture and sound.
Miso AV Lab is an audio and video test bench for iPhone and iPad. Identify each loudspeaker up to 7.1, play an Atmos file on your height speakers, show reference patterns and HDR windows, check motion, and line up picture and sound. You judge each test by eye and ear.
The download includes Discovery, the information pages, and some tests. The Full Catalogue in-app purchase adds the rest.
INCLUDED WITH THE DOWNLOAD
• Discovery: reports HDR headroom, refresh rate, colour gamut, channel count, and spatial rendering support
• Brightness probe: raises a window’s brightness and shows the reported peak and sustained headroom
• Motion probe: measures the frame rate the display link delivers, including the slowest sustained rate
• Channel identification at 5.1 and at the layout matching your output
• Spatial Audio Pan: the system’s spatial audio moves a sound around you
• Colour Gamut: Rec. 709, Display P3, and Rec. 2020 on the CIE 1931 diagram
• 1:1 resolution demo, down to single pixels
• Display & Link Info, Audio Output Capability, and the ARC / eARC & HDCP checklist
FULL CATALOGUE IN-APP PURCHASE
• Channel identification on every layout, from mono to 7.1
• Atmos (Encoded File): checks that your receiver decodes Atmos and reaches the height speakers
• Audio tests: single-frequency tone, frequency sweep, LFE sweep, crossover check, reference pink noise, and phase/polarity check
• Patterns: overscan/safe area, ruler, geometry/alignment, resolution/scaling, colour bars, greyscale/gamma, uniformity, and dead/stuck pixels
• HDR brightness windows at the level you choose, from 1% to 100% of the screen
• HDR pixel probe for local dimming and blooming
• Frame rate and judder tests
• Lip-sync test: flash and click with an adjustable offset
• Flash and tearing test with photosensitivity protection
• Quick Start: Quick Check, Guided Sweep, and guided calibration of level, distance, polarity, and crossover
• Audio Configuration Lab: build your own configuration and test it on speakers or headphones
ALSO IN THE APP
• Patterns on a connected TV or projector (USB-C, Lightning adapter, or AirPlay), with the controls kept on your iPhone or iPad
• Every test explained simply (what it is, why it matters, and how to use it), with a glossary and a wiring guide
• Room diagram and a loudspeaker placement guide with cited sources
• Favourites and presets for repeated tests
• No account, no ads, and no data collection
• Interface in English, French, German, Italian, Japanese, Korean, Spanish, Simplified Chinese, and Traditional Chinese
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Misoservices Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Misoservices Inc
- Size
- 24.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later. - Apple TV
Requires tvOS 26.0 or later.
- iPhone
- Languages
English and 8 more
- English, French, German, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Full Catalogue $3.99
- Copyright
- © 2026 Misoservices Inc.
