# KINROKU vs RowPower

The clearest difference is in-app purchases: KINROKU at none against RowPower's 1. KINROKU also leads on iOS requirement (15.1 vs 18.2). RowPower's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price and device support there is nothing between them.

Both are free to download. RowPower sells 1 one-off in-app purchase. KINROKU asks for nothing beyond the download.

KINROKU ships an update every 11 days, RowPower every 4 days. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | KINROKU | RowPower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/rowpower/id6744114476/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 6 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asahi Ogata](https://appshunter.io/developer/1648321488) | [Thibault Marichal](https://appshunter.io/developer/1799220289) |

## 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


### RowPower

[App page](https://appshunter.io/ios/app/rowpower/id6744114476)

Visualize your rowing performance with this app, connecting directly to your Concept2 ergometer. It offers a clean interface to track trends, view force curves, and monitor key metrics like pace and heart rate without manual data entry.

**Highlights:** Visualize force curve, Track trends over time, Visualize pace, heart rate, stroke rate, Connects to Concept2 erg, Clean, minimal design, No manual data entry

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is KINROKU free?

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

### Is RowPower free?

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

### Do KINROKU or RowPower have ads?

KINROKU shows ads; RowPower does not.

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

KINROKU ships an update every 11 days, and RowPower every 4 days. Most recently, KINROKU was updated on September 17, 2026 and RowPower on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*