# 30 Day Sit Up Challenge! vs SimpleHR

The clearest difference is price: 30 Day Sit Up Challenge! at Free against SimpleHR's $0.99. 30 Day Sit Up Challenge! also leads on rating (4.9 vs 3.8) and review sentiment (72% vs 43%). SimpleHR's advantage is ads (none vs shown). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

30 Day Sit Up Challenge! is free to download; SimpleHR costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

30 Day Sit Up Challenge! holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 35 and 14 respectively. Written reviews point the same way: 72% of 30 Day Sit Up Challenge!'s written reviews are positive against 43% of SimpleHR's.

30 Day Sit Up Challenge! ships an update every 3 months, SimpleHR every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | 30 Day Sit Up Challenge! | SimpleHR |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (35 ratings)](https://appshunter.io/ios/app/30-day-sit-up-challenge/id1365396923/reviews)** | [3.8 (14 ratings)](https://appshunter.io/ios/app/simplehr/id1423380197/reviews) |
| Number of ratings | **35** | 14 |
| Positive reviews | **72.2% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 21 MB | 1 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Intersect](https://appshunter.io/developer/641416964) | [Aaron Sullivan](https://appshunter.io/developer/1590674637) |

## 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


### SimpleHR

[App page](https://appshunter.io/ios/app/simplehr/id1423380197)

Displays your current heart rate in large, easy-to-read text on your Apple Watch. Integrates with Apple HealthKit to provide real-time heart rate data, ideal for activities like running or cycling. Customize target zones and activity settings via the companion iPhone app.

**Highlights:** Large heart rate display, Apple HealthKit integration, Customizable heart rate zones, Activity and location settings, Companion iPhone app

**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 SimpleHR free?

SimpleHR costs $0.99, with no in-app purchases.

### Which has better reviews, 30 Day Sit Up Challenge! or SimpleHR?

30 Day Sit Up Challenge! is rated higher. 30 Day Sit Up Challenge! averages 4.9 out of 5 from 35 ratings, while SimpleHR averages 3.8 from 14 ratings.

### Do 30 Day Sit Up Challenge! or SimpleHR have ads?

30 Day Sit Up Challenge! shows ads; SimpleHR does not.

### Which is updated more often, 30 Day Sit Up Challenge! or SimpleHR?

30 Day Sit Up Challenge! ships an update every 3 months, and SimpleHR every 4 months. Most recently, 30 Day Sit Up Challenge! was updated on November 2, 2026 and SimpleHR on November 2, 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.*