# KINROKU vs CoreWeight

The clearest difference is in-app purchases: KINROKU at none against CoreWeight's 3. KINROKU also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CoreWeight sells 3 in-app purchases, starting at $1.99 per month. KINROKU asks for nothing beyond the download.

KINROKU ships an update every 11 days, CoreWeight every 6 days. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | KINROKU | CoreWeight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 6 days** |
| Size | 44 MB | 15 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Asahi Ogata](https://appshunter.io/developer/1648321488) | [Hiroomi Kubo](https://appshunter.io/developer/1819954362) |

## 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


### CoreWeight

[App page](https://appshunter.io/ios/app/coreweight/id6747131690)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $1.99 | per month |
| Annual Membership | $9.99 | per year |
| Lifetime License | $4.99 | one-time |


## Frequently asked questions

### Is KINROKU free?

KINROKU is free to download, with no in-app purchases.

### Is CoreWeight free?

CoreWeight is free to download, with in-app purchases available.

### Do KINROKU or CoreWeight have ads?

Both KINROKU and CoreWeight show ads.

### Which is updated more often, KINROKU or CoreWeight?

KINROKU ships an update every 11 days, and CoreWeight every 6 days. Most recently, KINROKU was updated on September 17, 2026 and CoreWeight on September 23, 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.*