# ボイスポスト vs Understudy

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

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

ボイスポスト ships an update every 3 weeks, Understudy every 6 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ボイスポスト | Understudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 27 MB | 42 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taiju Muto](https://appshunter.io/developer/1772588872) | [Shingo Otsuhata](https://appshunter.io/developer/1871224706) |

## What reviewers say

### ボイスポスト

[App page](https://appshunter.io/ios/app/id6741378045)

**Features:** macOS Compatibility

**In-app purchases:** none


### Understudy

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

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Understudy Pro (Monthly) | $4.99 | per month |
| Understudy Pro (Yearly) | $29.99 | per year |
| 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 ボイスポスト free?

ボイスポスト is free to download, with no in-app purchases.

### Is Understudy free?

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

### Do ボイスポスト or Understudy have ads?

Neither ボイスポスト nor Understudy shows ads.

### Which is updated more often, ボイスポスト or Understudy?

ボイスポスト ships an update every 3 weeks, and Understudy every 6 weeks. Most recently, ボイスポスト was updated on October 1, 2026 and Understudy on October 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.*