# Vain（ヴェイン） vs TeruBozu

The clearest difference is in-app purchases: Vain（ヴェイン） at none against TeruBozu's 1. Vain（ヴェイン） also leads on iOS requirement (13.0 vs 16.4). TeruBozu's advantage is update cadence (fortnightly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. TeruBozu sells 1 one-off in-app purchase. Vain（ヴェイン） asks for nothing beyond the download.

Vain（ヴェイン） ships an update every 7 months, TeruBozu fortnightly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Vain（ヴェイン） | TeruBozu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 3 MB | 69 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [SAME STUDIO](https://appshunter.io/developer/1887203310) |

## What reviewers say

### Vain（ヴェイン）

[App page](https://appshunter.io/ios/app/vain/id1461452093)

**Features:** macOS Compatibility

**In-app purchases:** none


### TeruBozu

[App page](https://appshunter.io/ios/app/terubozu/id6789223358)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Terubozu Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Vain（ヴェイン） free?

Vain（ヴェイン） is free to download, with no in-app purchases.

### Is TeruBozu free?

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

### Do Vain（ヴェイン） or TeruBozu have ads?

Neither Vain（ヴェイン） nor TeruBozu shows ads.

### Which is updated more often, Vain（ヴェイン） or TeruBozu?

Vain（ヴェイン） ships an update every 7 months, and TeruBozu fortnightly. Most recently, Vain（ヴェイン） was updated on October 7, 2026 and TeruBozu on October 12, 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.*