# RowPower vs Watta

The clearest difference is rating: Watta at 5.0 against RowPower's 4.0. Watta also leads on in-app purchases (none vs 1) and iOS requirement (15.1 vs 18.2). RowPower's advantage is update cadence (every 4 days vs every 9 days). On price, ratings volume, ads and device support there is nothing between them.

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

Watta holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

RowPower ships an update every 4 days, Watta every 9 days. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | RowPower | Watta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/rowpower/id6744114476/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watta/id6758580968/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 36 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Thibault Marichal](https://appshunter.io/developer/1799220289) | [STEPHEN CHRISTOPHER MILTON](https://appshunter.io/developer/1873767248) |

## What reviewers say

### 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 |


### Watta

[App page](https://appshunter.io/ios/app/watta/id6758580968)

Effortlessly log your rowing, biking, and skiing workouts by simply taking a photo of your machine's screen. AI automatically extracts your performance data, organizing it into a comprehensive training log. Connect with your club, compete on leaderboards, and share your progress with teammates.

**Highlights:** AI photo data extraction, Automatic workout logging, Support for Concept2 monitors, Manual workout entry, Training history and trends, Club and squad features, Leaderboards and competition

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

**In-app purchases:** none


## Frequently asked questions

### Is RowPower free?

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

### Is Watta free?

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

### Which has better reviews, RowPower or Watta?

Watta is rated higher. RowPower averages 4.0 out of 5 from 1 ratings, while Watta averages 5.0 from 1 ratings.

### Do RowPower or Watta have ads?

Neither RowPower nor Watta shows ads.

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

RowPower ships an update every 4 days, and Watta every 9 days. Most recently, RowPower was updated on October 1, 2026 and Watta on October 13, 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.*