# KeepRowing vs Plank Trainer

The clearest difference is review sentiment: Plank Trainer at 100% against KeepRowing's 0%. Plank Trainer also leads on in-app purchases (none vs 2) and update cadence (every 6 days vs every 2 months). KeepRowing's advantage is price (Free vs $0.99) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

KeepRowing is free to download; Plank Trainer costs $0.99 up front. KeepRowing sells 2 in-app purchases, starting at $1.99 per 3 months. Plank Trainer asks for nothing beyond the download.

KeepRowing ships an update every 2 months, Plank Trainer every 6 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | KeepRowing | Plank Trainer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/keeprowing/id6446221371/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 33 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mentzer](https://appshunter.io/developer/398906737) | [Christopher Stephan](https://appshunter.io/developer/1186986591) |

## What reviewers say

### KeepRowing

[App page](https://appshunter.io/ios/app/keeprowing/id6446221371)

Track your outdoor rowing and Concept2 ergometer workouts using your Apple Watch. It records pace, stroke rate, and heart rate, syncing data to Apple Health and displaying workout maps on your iPhone. Features auto-pause and displays heart rate recovery during breaks.

**Highlights:** Apple Watch workout tracking, Records pace, stroke rate, heart rate, Syncs data to Apple Health, Displays workout maps on iPhone, Auto-pause functionality, Heart rate recovery display

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per 3 months |
| Yearly subscription | $4.99 | per year |


### Plank Trainer

[App page](https://appshunter.io/ios/app/plank-trainer/id6756194595)

This app helps you build core strength through guided plank exercises. It automatically adjusts difficulty to keep you challenged and motivated, tracking your progress with detailed statistics and social features to train with friends.

**Highlights:** Smart automatic progression, Distraction-free design, Daily streaks and statistics, Train with friends in Squads, Share achievements, One-time purchase

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeepRowing free?

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

### Is Plank Trainer free?

Plank Trainer costs $0.99, with no in-app purchases.

### Do KeepRowing or Plank Trainer have ads?

Neither KeepRowing nor Plank Trainer shows ads.

### Which is updated more often, KeepRowing or Plank Trainer?

KeepRowing ships an update every 2 months, and Plank Trainer every 6 days. Most recently, KeepRowing was updated on October 1, 2026 and Plank Trainer on September 29, 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.*