Comparison

Zero Gravity App vs Althea

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

Head to head
About

Zero Gravity App

Features
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Members can book a seat to the team or personal classes and see useful information about their memberships

About

Althea

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Althea is a private companion for your GLP-1 journey โ€” built for Ozempic, Wegovy, Retatrutide, Mounjaro, Zepbound, Rybelsus, Saxenda, compounded semaglutide and tirzepatide, and many more GLP-1 medications. YOUR MEDICATION, ON SCHEDULE โ€ข Log every dose in seconds, with reminders tuned to your schedule โ€” weekly or daily โ€ข Rotate injection sites and see where your last shot went โ€ข Follow your titration plan step by step, and record missed doses honestly โ€ข See how medication levels build toward steady state, based on published clinical data YOUR PROGRESS, MADE VISIBLE โ€ข Track weight with trends, BMI, and a projection toward your goal โ€ข Celebrate real milestones โ€” 5% lost, halfway, goal reached โ€” with shareable cards โ€ข Build dose streaks and unlock achievements as you stay consistent FOOD, WATER & MEASUREMENTS โ€ข Log meals with a barcode scanner, or save your go-to foods as presets โ€ข Personalized calorie and protein targets derived from your own numbers โ€” with gentler guidance while you're titrating โ€ข Track hydration and body measurements alongside weight BUILT FOR YOUR DOCTOR VISITS โ€ข Export a clean PDF report of your doses, weight, side effects, and milestones to share with your care team SIDE EFFECTS, UNDERSTOOD โ€ข Log symptoms and severity, and see how they trend against your dose changes PRIVATE BY DESIGN โ€ข No account. No sign-up. Your health data stays on your device and in your private iCloud โ€” never on our servers, never sold, no ads โ€ข Works with Apple Health, includes a next-dose home screen widget Medication information in Althea is sourced from published, peer-reviewed clinical literature, with citations shown in the app. Althea is a tracking tool and does not provide medical advice, diagnosis, or treatment. Always follow the guidance of your healthcare provider. SUBSCRIPTION Althea requires a subscription: $6.99/month, or $49.99/year with a 7-day free trial. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in Settings. Privacy Policy: https://althea.team/privacy-policy Terms of Use: https://althea.team/terms-of-use

Screenshots

Zero Gravity App3 screens
Althea4 screens

Verdict

The call

The clearest difference is in-app purchases: Zero Gravity App at none against Althea's 2. Zero Gravity App also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). Althea's advantage is update cadence (weekly vs every 42 months). On price and ads 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. Althea sells 2 in-app purchases, starting at $6.99 per month. Zero Gravity App asks for nothing beyond the download.

UpkeepUpdate frequency

Zero Gravity App ships an update every 42 months, Althea weekly. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

Scorecard4 real differences ยท 2 level
Zero Gravity App versus Althea: the parameters behind the verdict, then further details
ParameterZero Gravity AppAlthea
PriceFreeFree
Update frequencyEvery 42 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.6 โ€” better18.0
Further details โ€” not scored
Size18 MB17 MB
Age rating4+12+
DeveloperKostas KousinovalisSPYRIDON BENETOS

In-app purchases

None

Zero Gravity App

No in-app purchases

2 purchases

Althea

Subscriptions2
  • Monthly$6.991 Month
  • Annual7 Days trial$49.991 Year

Questions

Is Zero Gravity App free?
Zero Gravity App is free to download, with no in-app purchases.
Is Althea free?
Althea is free to download, with in-app purchases available.
Do Zero Gravity App or Althea have ads?
Neither Zero Gravity App nor Althea shows ads.
Which is updated more often, Zero Gravity App or Althea?
Zero Gravity App ships an update every 42 months, and Althea weekly. Most recently, Zero Gravity App was updated on October 26, 2026 and Althea on October 31, 2026.

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