# SS Writer vs Understudy

The clearest difference is ads: Understudy at none against SS Writer's shown. Understudy also leads on update cadence (monthly vs every 3 months) and iOS requirement (14.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SS Writer sells 1 one-off in-app purchase and Understudy sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SS Writer ships an update every 3 months, Understudy monthly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SS Writer | Understudy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 42 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shigenori Kumagai](https://appshunter.io/developer/1019096445) | [Shingo Otsuhata](https://appshunter.io/developer/1871224706) |

## What reviewers say

### SS Writer

[App page](https://appshunter.io/ios/app/ss-writer/id1268357288)

This app simplifies writing dialogue-focused creative works by allowing you to select character names from a list for easy input. It also offers a chat-style bubble display to enhance the immersive reading experience of your creations.

**Highlights:** Name list for easy dialogue input, Chat-style bubble display, Focus on creative writing, Streamlined text input, Immersive reading experience

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| アップグレード | $3.99 | one-time |


### Understudy

[App page](https://appshunter.io/ios/app/understudy-learn-your-lines/id6758158317)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Add a donut | $1.99 | one-time |
| Add a sandwich | $3.99 | one-time |


## Frequently asked questions

### Is SS Writer free?

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

### Is Understudy free?

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

### Do SS Writer or Understudy have ads?

SS Writer shows ads; Understudy does not.

### Which is updated more often, SS Writer or Understudy?

SS Writer ships an update every 3 months, and Understudy monthly. Most recently, SS Writer was updated on September 18, 2026 and Understudy on September 14, 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.*