30 Day Sit Up Challenge! vs SimpleHR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
30 Day Sit Up Challenge!
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.
- Daily sit-up counting
- Achievement day management
- Push notifications
- Apple Health integration
- Active energy calculation
- Workout recording
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Supports Sit Up for 30 day challenge. Main function is to count Sit Up once a day. Main Function ・Count Sit Up. ・Achievement days management. ・Notifications. ・Record Active Energy and Workouts to Apple Health. How to use ・Put iPhone on your abdominal. ・Tap Screen. ・Hold iPhone with both hands. ・Start Sit Up. Active Energy ・Ex. METs 3.8, Weight 50 kg, Time 10 min. (3.8 - 1) x 50 x (10 / 60) x 1.05 = 24.5 kcal. Optional permission requests ・Apple Health: It is used to record data in Apple Health. ・Tracking: It is used to deliver personalized ads to you. ・Notifications: It is used to sending notifications. Languages ・Japanese, English.
SimpleHR
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.
- Large heart rate display
- Apple HealthKit integration
- Customizable heart rate zones
- Activity and location settings
- Companion iPhone app
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Just your heart rate on your Apple watch in the largest text that will fit! When you are running or cycling and you want to see your heart rate, tiny text just will not do. That's why we built Simple Heart Rate to provide easy-to-read access to your current heart rate by integrating with Apple HealthKit. You use the iPhone app to create multiple heart rate target zones with optional settings for activity and location to enhance your training experience. Simple Heart Rate makes a great companion app to a workout tracker running on your iPhone.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 30 Day Sit Up Challenge! | SimpleHR |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (35 ratings) — better | 3.8 (14 ratings) |
| Positive reviews | 72.2% of reviews — better | 42.9% of reviews |
| Number of ratings | 35 — better | 14 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Intersect | Aaron Sullivan |
Customer experience
30 Day Sit Up Challenge!
SimpleHR
In-app purchases
30 Day Sit Up Challenge!
No in-app purchases
SimpleHR
No in-app purchases
Questions
Is 30 Day Sit Up Challenge! free?
Is SimpleHR free?
Which has better reviews, 30 Day Sit Up Challenge! or SimpleHR?
Do 30 Day Sit Up Challenge! or SimpleHR have ads?
Which is updated more often, 30 Day Sit Up Challenge! or SimpleHR?
Other comparisons
