Comparison

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.

Head to head
About

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.

Highlights
  • Daily sit-up counting
  • Achievement day management
  • Push notifications
  • Apple Health integration
  • Active energy calculation
  • Workout recording
Read full description

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.

About

METsTracker

Features
Read full description

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

30 Day Sit Up Challenge!4 screens
METsTracker4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
30 Day Sit Up Challenge! versus METsTracker: the parameters behind the verdict, then further details
Parameter30 Day Sit Up Challenge!METsTracker
PriceFreeFree
Rating4.9 (35 ratings) — better—
Positive reviews72.2% of reviews—
Number of ratings35 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better17.0
Further details — not scored
Size21 MB2 MB
Age rating17+4+
DeveloperIntersectHidetoshi Okui

In-app purchases

None

30 Day Sit Up Challenge!

No in-app purchases

None

METsTracker

No in-app purchases

Questions

Is 30 Day Sit Up Challenge! free?
30 Day Sit Up Challenge! is free to download, with no in-app purchases.
Is METsTracker free?
METsTracker is free to download, with no in-app purchases.
Do 30 Day Sit Up Challenge! or METsTracker have ads?
30 Day Sit Up Challenge! shows ads; METsTracker does not.
Which is updated more often, 30 Day Sit Up Challenge! or METsTracker?
30 Day Sit Up Challenge! ships an update every 3 months, and METsTracker every 3 weeks. Most recently, 30 Day Sit Up Challenge! was updated on October 24, 2026 and METsTracker on October 21, 2026.

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