# KINROKU vs Step Tracker 3D

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.

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

KINROKU ships an update every 11 days, Step Tracker 3D every 2 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | KINROKU | Step Tracker 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/step-tracker-3d/id6740173192/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | — | Free |
| Size | 44 MB | 4 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Asahi Ogata](https://appshunter.io/developer/1648321488) | [Nikolay Surin](https://appshunter.io/developer/1612846901) |

## What reviewers say

### KINROKU

[App page](https://appshunter.io/ios/app/kinroku-ai-workout-analytics/id6739939186)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Step Tracker 3D

[App page](https://appshunter.io/ios/app/step-tracker-3d/id6740173192)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 September 17, 2026 and Step Tracker 3D on September 18, 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.*