Comparison

Just Workout vs Plank Challenge

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

Head to head
About

Just Workout

Features
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Just Workout is the no-frills training app. Its purpose is to guide you through the 85 exercises and 21 workouts. Features * 85 well known exercises * 8 workouts for beginners (without equipment) * 10 full-body workouts (without equipment) * 3 workouts with dumbbells * Each workout takes between 20 - 40 minutes * Disable workouts you don't like * No account needed * No data collection * No lifestyle app * No super food recipes * No ads * No social media * No health tracking * Just workout

About

Plank Challenge

Features
Read full description

Get a stronger core in just 30 days โ€” no gym, no equipment, no excuses. The 30 Days Planking Challenge guides you from your very first 20-second hold all the way to a 10-minute plank with a progressive, day-by-day program you can do anywhere. Hands-free voice coaching counts you in, calls the halfway mark, and pushes you through the final seconds โ€” so you never have to look at your phone mid-plank. Just press start and hold. WHY YOU'LL STICK WITH IT โ€ข Streak Shields automatically cover one missed day per week, so a single skipped session never breaks your momentum. โ€ข A clear 30-day calendar shows every workout at a glance. โ€ข Personal bests track how far you've come. FOUR DIFFICULTY TIERS โ€ข Beginner: 20 seconds โ†’ 2 minutes โ€ข Intermediate: build real endurance โ€ข Advanced: longer, tougher holds โ€ข Elite: 4 minutes โ†’ 10 minutes BUILT FOR YOUR WHOLE DAY โ€ข Full Apple Watch app โ€” train with your wrist, leave your phone behind. โ€ข Home-screen widget keeps your streak front and center. โ€ข HealthKit sync logs every session as core training. SIMPLE, FAIR PRICING โ€ข The Beginner tier is completely free. โ€ข One-time Pro unlock adds the Intermediate, Advanced and Elite tiers โ€” pay once, own it forever. No subscriptions, ever. Whether you're rebuilding strength, fixing your posture, or just want visible abs, two minutes a day is all it takes. Start the challenge today and feel the difference by day 30.

Screenshots

Just Workout4 screens
Plank Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Just Workout at none against Plank Challenge's 1. Just Workout also leads on iOS requirement (9.3 vs 18.0). Plank Challenge's advantage is update cadence (every 3 months vs every 20 months). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Plank Challenge sells 1 one-off in-app purchase. Just Workout asks for nothing beyond the download.

UpkeepUpdate frequency

Just Workout ships an update every 20 months, Plank Challenge every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
Just Workout versus Plank Challenge: the parameters behind the verdict, then further details
ParameterJust WorkoutPlank Challenge
PriceFreeFree
Update frequencyEvery 20 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, Apple Watch
Requires iOS9.3 โ€” better18.0
Further details โ€” not scored
Size2 MB5 MB
Age rating4+4+
DeveloperSimon GausAppConsult

In-app purchases

None

Just Workout

No in-app purchases

1 purchases

Plank Challenge

One-time1
  • Planking Pro$4.99

Questions

Is Just Workout free?
Just Workout is free to download, with no in-app purchases.
Is Plank Challenge free?
Plank Challenge is free to download, with in-app purchases available.
Do Just Workout or Plank Challenge have ads?
Neither Just Workout nor Plank Challenge shows ads.
Which is updated more often, Just Workout or Plank Challenge?
Just Workout ships an update every 20 months, and Plank Challenge every 3 months. Most recently, Just Workout was updated on November 2, 2026 and Plank Challenge on October 30, 2026.

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