# 30 Day Sit Up Challenge! vs リラックスルームHALU【公式アプリ】

The clearest difference is ads: リラックスルームHALU【公式アプリ】 at none against 30 Day Sit Up Challenge!'s shown. リラックスルームHALU【公式アプリ】 also leads on iOS requirement (9.0 vs 16.6). 30 Day Sit Up Challenge!'s advantage is update cadence (every 3 months vs every 20 months). 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.

30 Day Sit Up Challenge! ships an update every 3 months, リラックスルームHALU【公式アプリ】 every 20 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 30 Day Sit Up Challenge! | リラックスルームHALU【公式アプリ】 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (35 ratings)](https://appshunter.io/ios/app/30-day-sit-up-challenge/id1365396923/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 20 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 19 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Intersect](https://appshunter.io/developer/641416964) | [HARUMI MURATA](https://appshunter.io/developer/1522239694) |

## What reviewers say

### 30 Day Sit Up Challenge!

[App page](https://appshunter.io/ios/app/30-day-sit-up-challenge/id1365396923)

This app helps you track your progress through a 30-day sit-up challenge. It counts your sit-ups daily, manages your achievements, and sends notifications to keep you motivated. It also integrates with Apple Health to record your active energy and workouts.

**Highlights:** Daily sit-up counting, Achievement day management, Push notifications, Apple Health integration, Active energy calculation, Workout recording

**In-app purchases:** none


### リラックスルームHALU【公式アプリ】

[App page](https://appshunter.io/ios/app/halu/id1522239692)

**In-app purchases:** none


## Frequently asked questions

### Is 30 Day Sit Up Challenge! free?

30 Day Sit Up Challenge! is free to download, with no in-app purchases.

### Is リラックスルームHALU【公式アプリ】 free?

リラックスルームHALU【公式アプリ】 is free to download, with no in-app purchases.

### Do 30 Day Sit Up Challenge! or リラックスルームHALU【公式アプリ】 have ads?

30 Day Sit Up Challenge! shows ads; リラックスルームHALU【公式アプリ】 does not.

### Which is updated more often, 30 Day Sit Up Challenge! or リラックスルームHALU【公式アプリ】?

30 Day Sit Up Challenge! ships an update every 3 months, and リラックスルームHALU【公式アプリ】 every 20 months. Most recently, 30 Day Sit Up Challenge! was updated on November 2, 2026 and リラックスルームHALU【公式アプリ】 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.*