# K1くんBIG vs Infinity BB

The clearest difference is device support: Infinity BB at 3 against K1くんBIG's 1. K1くんBIG's advantage is iOS requirement (10.0 vs 14.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | K1くんBIG | Infinity BB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 2 MB | 43 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社アプリラボ](https://appshunter.io/developer/567688645) | [PIGGY Inc.(Japan)](https://appshunter.io/developer/1562616436) |

## What reviewers say

### K1くんBIG

[App page](https://appshunter.io/ios/app/k1big/id571889448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Infinity BB

[App page](https://appshunter.io/ios/app/infinity-bb/id6742482193)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is K1くんBIG free?

K1くんBIG is free to download, with no in-app purchases.

### Is Infinity BB free?

Infinity BB is free to download, with no in-app purchases.

### Do K1くんBIG or Infinity BB have ads?

Neither K1くんBIG nor Infinity BB shows ads.

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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.*