30 Day Sit Up Challenge! vs METsTracker
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.
METsTracker
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METsTracker counts only the exercise you record as workouts, not daily steps or household chores, and shows in real time how many METs (exercise volume) you have built up this week. Check your progress for the current week and look back at past weeks to compare. Regular exercise is widely considered to help maintain good health. Make your day-to-day effort visible with METsTracker. RECOMMENDED FOR ・People who want to know, in METs, how much they have exercised this week ・People who want to see whether their exercise volume is up or down compared with previous weeks ・People who want to keep track of intentional exercise such as jogging or strength training KEY FEATURES ・Automatically totals workouts recorded in the Health app and shows this week's METs in real time ・History view to browse and compare weekly METs from past weeks ・Set any day of the week as the start of your week ・See at a glance how much remains to reach your METs goal ・Optional reminder notification in the second half of the week ・Built-in FAQ and how-to guide FREE FEATURES ・This week's METs ・History for the most recent 2 weeks ・Notification preview A one-time in-app purchase unlocks advanced features such as full history and personalized calorie-burn estimates. This is not a subscription. METsTracker has no dedicated server, and all Health data is processed only on your device. The app shows no ads and never shares your data with third parties.
Screenshots
Verdict
The clearest difference is ads: METsTracker at none against 30 Day Sit Up Challenge!'s shown. METsTracker also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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
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, METsTracker every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | 30 Day Sit Up Challenge! | METsTracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (35 ratings) — better | — |
| Positive reviews | 72.2% of reviews | — |
| Number of ratings | 35 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Intersect | Hidetoshi Okui |
In-app purchases
30 Day Sit Up Challenge!
No in-app purchases
METsTracker
No in-app purchases
Questions
Is 30 Day Sit Up Challenge! free?
Is METsTracker free?
Do 30 Day Sit Up Challenge! or METsTracker have ads?
Which is updated more often, 30 Day Sit Up Challenge! or METsTracker?
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