AloneQuartet

Naoto Sasaki · Music

3.1 7 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Naoto Sasaki.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 14, 2026
New version 1.21 → 1.22

Bug Fixes • Fixed an issue where recording was unavailable and the app could quit unexpectedly when camera or microphone access was not allowed • Added a clear message with a shortcut to Settings when access has not been granted • Improved overall stability

Sep 8, 2026
New version 1.20 → 1.21

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 29% 2
4★ 14% 1
3★ 29% 2
2★ 0% 0
1★ 29% 2

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

One-time purchases
Unlimited Option $2.99

Screenshots

About

AloneQuartet is an app that makes it super easy to create 4-panel split videos. ◆Features - Record videos in each of the 4 panels using the camera - Switch between front and rear cameras - Record new videos while watching previously recorded panels - Save recorded videos to camera roll - Import videos from camera roll - No time limit for long recordings - Real-time microphone feedback during recording - Bluetooth headphone and speaker support - AirPlay device compatibility - Built-in click function (simple metronome) - iPad large screen support - Individual volume control for each panel - Video trim function to set start/end times ◆How to use ◆◆Preview Tap any of the 4 panels to display camera preview. ◆◆Camera switching Press CAMERA on the right to switch between front and rear cameras. ◆◆Recording Press REC on the right while in preview mode to start recording. ◆◆Overlay recording When you start recording, previously recorded panels will play back while the target panel records. ◆◆Playback Press PLAY on the right to start playback. ◆◆Stop Press STOP on the right to stop recording/playback. ◆◆Mix Press MIX on the right to go to the MIX screen. Select the mix format and press preview or save to mix. ◆◆Volume control Adjust individual volume for each panel with volume sliders. Create balanced audio during mixing. ◆◆Video trim Set start/end times for recorded videos. Extract only needed parts for precise editing. ◆◆Data saving Save data to Photos app. Press the button at the top right of a panel and select save to Photos. ◆◆Data loading From an empty panel, press the top right button and select load from Photos. ◆◆Metronome function From SETTINGS, turn on click sound and set volume, tempo, etc. Click sound starts when recording begins. ◆◆Audio feedback function From SETTINGS, turn on audio feedback and set volume, etc. You can hear input audio through headphones. ◆◆iPad support Supports iPad sizes with wider, more visible screens. Also supports iPad Pro multiple screens. ◆◆Multi-language support Supports Japanese, English, Chinese (Simplified/Traditional), Korean, French, and Spanish. Thank you for reading. We plan to add more convenient features in the future, so please look forward to it.

What's new · 1.22

Bug Fixes • Fixed an issue where recording was unavailable and the app could quit unexpectedly when camera or microphone access was not allowed • Added a clear message with a shortcut to Settings when access has not been granted • Improved overall stability

Details

DeveloperNaoto Sasaki
ReleasedNov 2020
UpdatedSep 2025
Version1.22
Size8.1 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesChinese, English, French, German, Japanese, Korean, Spanish
PriceFree
Categories MusicUtilities
Bundle IDcom.sasanao.hitoriquartet