# iFour Core vs RowOn

The clearest difference is in-app purchases: RowOn at none against iFour Core's 2. RowOn also leads on update cadence (every 3 weeks vs every 2 months). iFour Core's advantage is ratings volume (28 vs 2) and iOS requirement (11.0 vs 17.6). On price, rating, ads and device support there is nothing between them.

Both are free to download. iFour Core sells 2 in-app purchases, starting at $5.99 per month. RowOn asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iFour Core against 5.0 for RowOn. That said, the two scores are not equally well evidenced: iFour Core has 28 ratings behind it against 2, so its average is the more settled of the two.

iFour Core ships an update every 2 months, RowOn every 3 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iFour Core | RowOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (28 ratings)](https://appshunter.io/ios/app/ifour-core/id1525317554/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/rowon/id6759566789/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 59 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ifour.life, LLC](https://appshunter.io/developer/1525317556) | [Tetta Studios LLC](https://appshunter.io/developer/1879550771) |

## What reviewers say

### iFour Core

[App page](https://appshunter.io/ios/app/ifour-core/id1525317554)

This app offers a personalized core workout program designed by physical therapists. It adapts to your individual anatomy and fitness level, providing daily workouts under 10 minutes with video demonstrations. Access nutrition guides and trainer support as a member.

**Highlights:** Personalized core workout program, Physical therapy approved exercises, Daily workouts under 10 minutes, Video demonstrations of exercises, Nutrition guides and support, Fitness test for customized plans

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annually | $29.99 | per year |


### RowOn

[App page](https://appshunter.io/ios/app/rowon/id6759566789)

This app turns indoor rowing into a rhythmic, engaging game. Instead of just tracking metrics, you row to the beat of music, aiming to build streaks and earn points in dynamic environments. It offers personalized workouts to keep your training fun and energized.

**Highlights:** Row to the rhythm of music, Real-time gameplay with scoring, Dynamic visual environments, Customizable workout intensity, Streak building and engagement, Compatible with Concept2 PM5

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iFour Core free?

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

### Is RowOn free?

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

### Which has better reviews, iFour Core or RowOn?

iFour Core and RowOn are both rated 5.0 out of 5 on the App Store, from 28 and 2 ratings respectively.

### Do iFour Core or RowOn have ads?

Neither iFour Core nor RowOn shows ads.

### Which is updated more often, iFour Core or RowOn?

iFour Core ships an update every 2 months, and RowOn every 3 weeks. Most recently, iFour Core was updated on October 4, 2026 and RowOn on October 16, 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.*