Comparison

KeepRowing vs Plank Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KeepRowing

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
Read full description

Use your Apple Watch to collect data about your outdoor rowing and Concept2 ergometer workouts. The pace (minutes/500m) and the stroke-rate (strokes/minutes) are added to the Apple Health Store in addition to the heart-rates collected by the watch. The information from the Health-Store can be displayed on your iPhone including a map showing the waypoints of the workout. The Apple Watch App supports AutoPause and automatically switches to a summary display when detecting a pause. During a pause the reduction of the heart frequency is Displayed together with the intensity of the workout. The App does not need any registration and does not transfer any data to the internet by itself. Without a valid subscription the Workout recording time is restricted. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Plank Trainer

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
Read full description

Build real core strength with the simplest and most motivating plank trainer on the App Store — now with Squads and Cloud Mode. Start small and progress from your first shaky plank to legendary core strength. The app automatically adjusts your level so every session stays challenging but achievable. This app focuses on pure training: no ads, no subscriptions, no distractions. Pay once, train forever. Successful planks increase your time. Failed attempts lower the level to keep progress realistic. Your sessions, levels, streaks, and total plank time are tracked so you can see your improvement every day. NEW: Train together with friends. Activate Cloud Mode and join Squads — small groups where you share your avatar, level, and streak. Motivate each other, compare progress, and see who becomes a plank legend first. Features • Smart automatic progression • Clean, distraction-free design • Daily streaks and detailed statistics • Squads to stay motivated with friends • Share your achievements easily • One-time purchase — no recurring costs • Privacy-friendly anonymous mode Simple. Effective. Social. Your plank journey starts here.

Screenshots

KeepRowing3 screens
Plank Trainer3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
KeepRowing versus Plank Trainer: the parameters behind the verdict, then further details
ParameterKeepRowingPlank Trainer
PriceFree — better$0.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.617.6
Further details — not scored
Size5 MB33 MB
Age rating4+4+
DeveloperMentzerChristopher Stephan

Customer experience

KeepRowing

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Plank Trainer

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

KeepRowing

Subscriptions2
  • Monthly subscription$1.993 Months
  • Yearly subscription$4.991 Year
None

Plank Trainer

No in-app purchases

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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