# ことせかい vs Bunvox

The clearest difference is in-app purchases: ことせかい at none against Bunvox's 1. ことせかい also leads on iOS requirement (15.0 vs 26.1). Bunvox's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Bunvox sells 1 in-app purchase, starting at $2.99 per month. ことせかい asks for nothing beyond the download.

ことせかい ships an update every 3 weeks, Bunvox every 2 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ことせかい | Bunvox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id914344185/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 148 MB | 18 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Mac, Apple Watch |
| Age rating | 9+ | 12+ |
| Developer | [Takuji Iimura](https://appshunter.io/developer/914344188) | [yu kawase](https://appshunter.io/developer/530948786) |

## What reviewers say

### ことせかい

[App page](https://appshunter.io/ios/app/id914344185)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Bunvox

[App page](https://appshunter.io/ios/app/bunvox/id6793343079)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BunVox Pro | $2.99 | per month |


## Frequently asked questions

### Is ことせかい free?

ことせかい is free to download, with no in-app purchases.

### Is Bunvox free?

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

### Do ことせかい or Bunvox have ads?

Neither ことせかい nor Bunvox shows ads.

### Which is updated more often, ことせかい or Bunvox?

ことせかい ships an update every 3 weeks, and Bunvox every 2 days. Most recently, ことせかい was updated on November 1, 2026 and Bunvox on October 25, 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.*