Comparison

KINROKU vs Step Tracker 3D

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KINROKU

Features
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KINROKU is a workout log for people who lift at the gym. Start with your last weight and reps already filled in, and just tap "Done" after each set. The rest timer runs on its own, and you can see your BIG 3 estimated 1RM grow. ■ One tap per set ・Start with last time's weight and reps. Adjust with + / −, or tap a number to type it. ・Start right away from "Same as last time" or a template. ・Train with your last session and a target for today (calculated from your last session) on screen. ・Sets with the same weight and reps are grouped automatically. ■ Rest timer and workout time ・The rest timer starts when you tap "Set done" (1:00 to 5:00, with −30s / +30s / Skip). ・See the time left on your Lock Screen. Your phone vibrates when rest is over. ・Track total workout time and laps. Total time is saved in your history. ■ A summary when you finish ・Total time, sets and volume (kg) ・New personal bests (estimated 1RM) and a comparison with last time ・Note how you felt, and make a card to share ■ See your progress ・Estimated 1RM for the BIG 3: bench press, squat and deadlift ・Last week's training days and volume, calculated automatically and compared with the week before ・Personal bests for each exercise ・Charts for 3 months, 1 year or all time. Tap a point to see that day's weight × reps × sets. ■ 148 exercises with pictures ・Chest, back, legs, shoulders, arms and abs: every exercise in the list has a picture of the movement. ・Filter by body part or search by name. You can also create your own exercises. ■ History ・Look back at and fix past records on a calendar. ・Log your condition, body weight, body fat and notes. ■ AI, for reference ・Once a week, AI writes a review and advice based on your records and condition (unlocked by watching an ad; use it for reference). ・When you create a template, describe your goal and AI drafts the exercises. ■ Also ・No login needed. Records are saved on your device, so you can log without a connection (AI text and backups need one). ・Log in to back up and restore your data. ・Dark and light themes, English and Japanese. ・Free, with ads. Start logging with today's workout.

About

Step Tracker 3D

Visualize your daily activity with interactive 3D charts. Track your progress, set fitness milestones, and gain personalized insights. Integrates seamlessly with Apple Health while prioritizing your privacy.

Highlights
  • Interactive 3D step visualizations
  • Personalized progress trends
  • Fitness milestone tracking
  • Seamless Apple Health integration
  • On-device data processing
  • Privacy-focused design
Features
Read full description

TRACK YOUR STEPS IN 3D Transform your Steps data into stunning 3D visuals. This app displays your step data in 3D interactive charts to help you visualize your activity. SEE YOUR PROGRESS View personalized trends and insights to stay on track with your goals. CHALLENGE YOURSELF Set and achieve fitness milestones with dynamic progress tracking. SEAMLESS HEALTHKIT INTEGRATION Sync effortlessly with Apple Health for up-to-date and secure data. PRIVACY FIRST Your data is never shared with anyone, including for app analytics. All processing happens securely on your device, ensuring your privacy is fully protected. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.termsfeed.com/live/6ffbdf1d-8e46-492e-bbd3-411339102489

Screenshots

KINROKU4 screens
Step Tracker 3D4 screens

Verdict

The call

The clearest difference is ads: Step Tracker 3D at none against KINROKU's shown. KINROKU's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (15.1 vs 17.2). On price, 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

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

KINROKU ships an update every 11 days, Step Tracker 3D every 2 months. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
KINROKU versus Step Tracker 3D: the parameters behind the verdict, then further details
ParameterKINROKUStep Tracker 3D
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 11 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.2
Further details — not scored
Size37 MB4 MB
Age rating4+17+
DeveloperAsahi OgataNikolay Surin

In-app purchases

None

KINROKU

No in-app purchases

None

Step Tracker 3D

No in-app purchases

Questions

Is KINROKU free?
KINROKU is free to download, with no in-app purchases.
Is Step Tracker 3D free?
Step Tracker 3D is free to download, with no in-app purchases.
Do KINROKU or Step Tracker 3D have ads?
KINROKU shows ads; Step Tracker 3D does not.
Which is updated more often, KINROKU or Step Tracker 3D?
KINROKU ships an update every 11 days, and Step Tracker 3D every 2 months. Most recently, KINROKU was updated on November 12, 2026 and Step Tracker 3D on November 7, 2026.

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