# salone CARO(カーロ) vs HapiBoo!

The clearest difference is ads: HapiBoo! at none against salone CARO(カーロ)'s shown. HapiBoo! also leads on update cadence (fortnightly vs every 9 months) and iOS requirement (12.1 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

salone CARO(カーロ) ships an update every 9 months, HapiBoo! fortnightly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | salone CARO(カーロ) | HapiBoo! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 74.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 80 MB | 47 MB |
| Requires iOS | 15.6 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuuichi Iwata](https://appshunter.io/developer/1356907184) | [Career Design International.Co.,ltd,](https://appshunter.io/developer/1474769812) |

## What reviewers say

### salone CARO(カーロ)

[App page](https://appshunter.io/ios/app/salone-caro/id1356907185)

**Features:** Apple Wallet

**In-app purchases:** none


### HapiBoo!

[App page](https://appshunter.io/ios/app/hapiboo/id1474769813)

This app helps you build positive habits for your body, mind, and spirit. Track your progress, earn rewards for consistency, and cultivate a happier lifestyle.

**Highlights:** Habit registration, Push notifications, Action logging, Coin collection system, Bonus points for streaks, Calendar view, Motivational messages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is salone CARO(カーロ) free?

salone CARO(カーロ) is free to download, with no in-app purchases.

### Is HapiBoo! free?

HapiBoo! is free to download, with no in-app purchases.

### Do salone CARO(カーロ) or HapiBoo! have ads?

salone CARO(カーロ) shows ads; HapiBoo! does not.

### Which is updated more often, salone CARO(カーロ) or HapiBoo!?

salone CARO(カーロ) ships an update every 9 months, and HapiBoo! fortnightly. Most recently, salone CARO(カーロ) was updated on October 4, 2026 and HapiBoo! 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.*