Comparison

WorkoutStack vs ONSTA

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

Head to head
About

WorkoutStack

Features
Read full description

WorkoutStack is a Fast, Bold & Focused gym logger 2,900+ EXERCISE LIBRARY Every exercise comes with animated HD videos, step-by-step instructions, equipment details, and primary and secondary muscle data. Search instantly or filter by muscle group and equipment to find the perfect exercise in seconds. COLOUR-CODED WORKOUTS No more squinting at endless grey lists mid-set. Every exercise in your workout gets its own vivid colour, so you always know where you are at a glance. BUILD YOUR OWN STAT DASHBOARD Design your stat dashboard & add the widgets that are important to you. Analyse specific exercises or data across all your workouts. MUSCLE DISTRIBUTION WorkoutStack calculates which muscles your training actually hits, helping you balance your program and avoid blind spots. WORKS OFFLINE No internet is required to workout. All data is stored 100% privately on your device and iCloud. UNLOCK PREMIUM FEATURES WorkoutStack Premium is available with a monthly or annual subscription. If you choose to purchase WorkoutStack Premium, payment will be charged to your iTunes account, and your account will be charged for renewal 24-hours prior to the end of the current period. Your subscription will automatically renew unless cancelled at least 24hrs before the end of the current period. Subscriptions may be managed by the user and Auto-renewal may be turned off at any time by going to the β€˜Manage Subscription’ page after purchase. Any unused portion of the free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of service: https://WorkoutStack.app/terms Privacy policy: https://WorkoutStack.app/privacy

About

ONSTA

Features
Read full description

ONSTA is your AI-powered wellness and beauty companion. With a photo, get an AI-powered analysis of your skin, hands, and overall wellness β€” with personalized recommendations. FEATURES: - AI Face, Hand & Body Scans β€” analysis of your skin age, stress, recovery, and vitality indicators - Daily Vitality Dashboard β€” track your progress with streaks and smart insights - Smart Water Tracker β€” personalized hydration goals informed by your profile and local weather - Local Weather & UV Alerts β€” know when to protect your skin - Multilingual β€” full support for English, Arabic, and Russian - Secure & Private β€” your photos are used only to generate your personal results Your health. Your beauty. Your world β€” all in one station. Terms of Use (EULA): https://api.onsta.ai/terms.html Privacy Policy: https://api.onsta.ai/privacy.html

Screenshots

WorkoutStack4 screens
ONSTA4 screens

Verdict

The call

The clearest difference is update cadence: ONSTA at every 3 days against WorkoutStack's weekly. ONSTA also leads on iOS requirement (15.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. WorkoutStack sells 3 in-app purchases, starting at $4.99 per month and ONSTA sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

WorkoutStack ships an update weekly, ONSTA every 3 days. Both last shipped on October 20, 2026.

Scorecard2 real differences Β· 4 level
WorkoutStack versus ONSTA: the parameters behind the verdict, then further details
ParameterWorkoutStackONSTA
PriceFreeFree
Update frequencyWeeklyEvery 3 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.215.0 β€” better
Further details β€” not scored
Size29 MB52 MB
Age rating4+4+
DeveloperNeurondigital LtdHELCOO AI Developing Services L.L.C S.O.C

In-app purchases

3 purchases

WorkoutStack

Subscriptions2
  • WorkoutStack Tracker Monthly Plan7 Days trial$4.991 Month
  • WorkoutStack Tracker Yearly Plan7 Days trial$24.991 Year
One-time1
  • WorkoutStack Tracker Lifetime Plan$59.99
2 purchases

ONSTA

Subscriptions2
  • ONSTA Unlimited Monthly$29.991 Month
  • ONSTA Unlimited Yearly$299.991 Year

Questions

Is WorkoutStack free?
WorkoutStack is free to download, with in-app purchases available.
Is ONSTA free?
ONSTA is free to download, with in-app purchases available.
Do WorkoutStack or ONSTA have ads?
Neither WorkoutStack nor ONSTA shows ads.
Which is updated more often, WorkoutStack or ONSTA?
WorkoutStack ships an update weekly, and ONSTA every 3 days. Most recently, WorkoutStack was updated on October 20, 2026 and ONSTA on October 20, 2026.

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