Comparison

Plank vs OpenGS

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

Head to head
About

Plank

This app guides users through effective plank exercises and challenges to build core strength and improve posture. It offers customizable plans, audio guidance, and progress tracking to help users achieve their fitness goals.

Highlights
  • Effective plank workouts
  • Challenging fitness routines
  • Customizable workout plans
  • Variety of plank styles
  • Audio guidance during workouts
  • Detailed progress tracking
  • Integrated workout calendar
Features
Read full description

"Welcome to Plank Power, your ultimate companion for achieving a strong and toned core through the power of plank exercises! Are you ready to transform your fitness journey? Look no further. Plank Power is designed to guide you towards a healthier, stronger you with a series of effective plank workouts and challenges. Key Features: Effective Plank Workouts: Our app offers a diverse range of plank exercises tailored to different fitness levels, from beginners to advanced enthusiasts. Whether you're looking to kickstart your fitness journey or take your core strength to the next level, our workouts are designed to help you achieve your goals. Challenging Routines: Take on exciting challenges that test your endurance and core strength. Our fitness challenges are a perfect way to track your progress and see tangible results. Customizable Plans: Tailor your plank workouts to your fitness level and schedule. Whether you have just a few minutes or a full workout session, Plank Power has options for you. Variety of Plank Styles: From forearm planks to side planks and beyond, our app introduces you to a variety of plank styles that target different areas of your core muscles. Keep your routine engaging and effective. Audio Guidance: Enjoy step-by-step instructions and audio guidance during your workouts. Let our experienced trainers motivate and guide you through each plank, ensuring proper form and maximizing results. Progress Tracking: Witness your growth with detailed progress tracking. Monitor your achievements and improvements over time, so you stay motivated and engaged. Workout Calendar: Plan your workouts in advance with our integrated workout calendar. Stay consistent and accountable on your fitness journey. Core Strength Benefits: Plank exercises are known to improve core strength, stability, and posture. Experience enhanced endurance and a stronger core that supports you in everyday activities. Educational Resources: Learn about the science behind plank exercises, proper form, and the benefits they bring to your overall fitness routine. Empower yourself with knowledge as you work towards your goals. Are you ready to embark on a journey to a stronger, healthier core? Download Plank Power now and discover the incredible benefits of effective plank workouts. Say hello to a fitter you!"

About

OpenGS

Features
Read full description

Bring Your AI to Life: The Ultimate Programmable Vessel for AI Agents Meet Open GS (Open GhostShell), the most advanced, open-architectured iOS client designed to give artificial intelligence a true "vessel" and "soul." Inspired by the frontier of autonomous agents, Open GS goes beyond simple chat interfaces, allowing you to craft, manage, and evolve truly intelligent AI companions right from your iPhone. Whether you are an AI enthusiast, a developer, or a power user looking for the ultimate OpenClaw-style experience on mobile, Open GS provides the infrastructure your AI needs to think, remember, and act.

Screenshots

Plank4 screens
OpenGS4 screens

Verdict

The call

The clearest difference is price: Plank at Free against OpenGS's $1.99. Plank also leads on iOS requirement (13.0 vs 17.0). OpenGS's advantage is update cadence (daily vs every 10 days). On ads, in-app purchases and device support 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

Plank is free to download; OpenGS costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Plank ships an update every 10 days, OpenGS daily. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Plank versus OpenGS: the parameters behind the verdict, then further details
ParameterPlankOpenGS
PriceFree — better$1.99
Rating2.3 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size22 MB36 MB
Age rating17+4+
DeveloperZain Ali鉴 郗

In-app purchases

None

Plank

No in-app purchases

None

OpenGS

No in-app purchases

Questions

Is Plank free?
Plank is free to download, with no in-app purchases.
Is OpenGS free?
OpenGS costs $1.99, with no in-app purchases.
Do Plank or OpenGS have ads?
Neither Plank nor OpenGS shows ads.
Which is updated more often, Plank or OpenGS?
Plank ships an update every 10 days, and OpenGS daily. Most recently, Plank was updated on October 11, 2026 and OpenGS on October 15, 2026.

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