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App Store Apps > Productivity > Understudy: Learn Your Lines
Understudy: Learn Your Lines icon

Understudy: Learn Your Lines

by Shingo Otsuhata · Productivity · Free
On the App Store since February 2026 · Data updated 2026-10-13
App Store

Understudy: Learn Your Lines is made and published by Shingo Otsuhata. AppBrain is an independent app data site and isn't affiliated with Shingo Otsuhata. The app name, icon, screenshots and description belong to Shingo Otsuhata and are shown as published on the App Store.

AppBrain's verdict

Last updated
August 15, 2026
Size
41.8 MB

User feedback

Ratings and reviews on the App Store

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Store listing

By Shingo Otsuhata, from the App Store
Understudy: Learn Your Lines Screenshot 1 of 6
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Screenshots by Shingo Otsuhata, from the the App Store listing
Description by Shingo Otsuhata Written by the developer, not by AppBrain. Click to read.
Record your scene partner's lines, then practice the back-and-forth on your own.

◆ Who it's for
Actors, voice actors, comedians, presenters — anyone who has to learn lines and then perform in front of people. Professional or not.

◆ How it works
1. Record your scene partner's lines
2. On the practice screen, play them back and say your own lines out loud
3. Tap to play. The app moves to the next line for you

◆ What you can do

Work without looking at the screen
Tap and swipe are all you need, so you can move around and keep your eyes up. Every action comes back as a small vibration.

Change the playback speed
From 0.5x to 2.0x. Slow it down to check a passage, or speed it up for a quick run-through.

Attach a PDF script
Link a PDF to a work and read it while you record. The file stays on your device — Understudy only points to it, so nothing is uploaded anywhere.
Add bookmarks and jump to a page in one tap.

Bring in audio you already have
Import music or any audio file you've prepared. Useful when you practice against a sound cue.

Export your recordings and share them
Export a scene as a ZIP. Move it to another device, or hand it to the person you're working with. You can also practice against a ZIP someone else recorded, with their voice as your scene partner.

◆ From the developer
At home, on the way to rehearsal, or in the hour before a performance — I wanted something I could practice with anywhere.
That's why I made this. I hope it helps you.

◆ About Understudy Pro
Everything you need to practice stays free. With Understudy Pro you can see more of your data on the Practice Ticket and choose from all 7 ticket designs. You also get the Pro colors, and you can set a color of your own.

Understudy Pro is an auto-renewing subscription, available monthly or yearly. It renews at the same price unless you cancel at least 24 hours before the current period ends. You can cancel any time from Manage subscription in the app.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://shimeco.github.io/understudy-pages/privacy.html
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
41.8 MB
Content rating
Everyone

Technologies used by Understudy: Learn Your Lines

Releases

Updates seen on the App Store
Version
1.4.1
Launched
February 2026

No changelog data

Rankings

App Store top charts

App Store Rankings for Understudy: Learn Your Lines

This app is not ranked

About the app and developer

About Understudy: Learn Your Lines

Understudy: Learn Your Lines is a productivity app developed by Shingo Otsuhata.

What is the rating of Understudy: Learn Your Lines?

Understudy: Learn Your Lines has no ratings yet.

Is Understudy: Learn Your Lines free?

Understudy: Learn Your Lines is free. The app size is 41.80 MB. The latest version available is 1.4.1. The last update was on August 15, 2026.

What are the requirements for Understudy: Learn Your Lines?

The app has a content rating of Everyone. The app has been available on the App Store since February 2026.

Developer information for Shingo Otsuhata

Shingo Otsuhata

Address:

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