Comparison

TATEditor vs Understudy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TATEditor

Create and edit text in a vertical writing format for novels, scripts, and more. Customize text with various colors and fonts, and export your work as a PDF. This app supports real-time editing, character counting, and advanced search functions.

Highlights
  • Vertical writing editor
  • Real-time editing (WYSIWYG)
  • Customizable text and background colors
  • PDF output
  • Search and replace with regular expressions
  • Cloud save and sync
  • Dark mode support
Features
Read full description

It is an application that allows you to create and edit text in vertical writing. With TATEditor, you can write novels, scripts, scenes, etc. in vertical writing mode. In the editor section, you can edit the text by combining your favorite colors. It also has a PDF output function, you can use this application alone to create submission data from the manuscript. The main function: - Real-time editing in the print layout of the manuscript (WYSIWYG) - Real-time character counter - Compatible with dark mode - Custom font support (iOS 13 or higher) - Mouse compatible (iPadOS 13.4 or higher) - Search and replace strings in sentences - Regular expression - Save search history - Copy / Cut / Paste - Switch font - Change background color/text color - Output PDF - Print layout settings - Page number setting - Header settings - Ruby, emphasis, and tate-chu-yoko - Notes related to the project and text - Management of stories and chapters of serialized works - Automatically back up the text being edited - Ability to convert half-width spaces to full-width spaces according to previous character types - A function that allows you to check the code point of the entered text - Bulk import / export of text files - Cloud save / sync

About

Understudy

Features
Read full description

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

Screenshots

TATEditor4 screens
Understudy4 screens

Verdict

The call

The clearest difference is in-app purchases: TATEditor at none against Understudy's 5. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Understudy sells 5 in-app purchases, starting at $4.99 per month. TATEditor asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on September 29, 2026.

Scorecard1 real difference · 9 level
TATEditor versus Understudy: the parameters behind the verdict, then further details
ParameterTATEditorUnderstudy
PriceFreeFree
Rating4.6 (11 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings11 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size67 MB42 MB
Age rating4+4+
DeveloperRyo NonakaShingo Otsuhata

In-app purchases

None

TATEditor

No in-app purchases

5 purchases

Understudy

Subscriptions2
  • Understudy Pro (Monthly)$4.991 Month
  • Understudy Pro (Yearly)$29.991 Year
One-time3
  • Buy me a coffee$0.99
  • Add a donut$1.99
  • Add a sandwich$3.99

Questions

Is TATEditor free?
TATEditor is free to download, with no in-app purchases.
Is Understudy free?
Understudy is free to download, with in-app purchases available.
Do TATEditor or Understudy have ads?
Neither TATEditor nor Understudy shows ads.
Which is updated more often, TATEditor or Understudy?
TATEditor ships an update monthly, and Understudy monthly. Most recently, TATEditor was updated on September 29, 2026 and Understudy on September 29, 2026.

Other comparisons