City Zero Gym vs Core Lab Wellness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
City Zero Gym
Easily book fitness classes, manage your membership, and stay updated on services. Make reservations, join waitlists, and purchase class packages directly from your device.
- Book classes
- Manage reservations
- Join waitlists
- Purchase class packages
- Check profile and membership
- View latest products and services
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Download the City Zero Gym app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, purchase class packages, check your profile and membership status, keep up to date with the latest products and services, and more – all from your device. Visit http://www.cityzero.com to learn more.
Core Lab Wellness
Easily book fitness classes and manage your account with this studio's dedicated application. View schedules, make reservations, and stay updated on studio offerings.
- Class booking
- View schedule
- Account management
- Studio updates
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Core Lab Wellness Yoga & Fitness studio download for easy booking. You can view your account, check out our schedule, and book classes.
Screenshots
Verdict
The clearest difference is ads: City Zero Gym at none against Core Lab Wellness's shown. City Zero Gym also leads on monetization model (free vs ad-supported). Core Lab Wellness's advantage is update cadence (every 3 weeks vs every 18 months) and ratings volume (57 vs 1). On price, rating, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for City Zero Gym against 5.0 for Core Lab Wellness. That said, the two scores are not equally well evidenced: Core Lab Wellness has 57 ratings behind it against 1, so its average is the more settled of the two.
City Zero Gym ships an update every 18 months, Core Lab Wellness every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | City Zero Gym | Core Lab Wellness |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 5.0 (57 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 57 — better |
| Update frequency | Every 18 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 32 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | City Zero LLC | CORE LAB LLC |
In-app purchases
City Zero Gym
No in-app purchases
Core Lab Wellness
No in-app purchases
Questions
Is City Zero Gym free?
Is Core Lab Wellness free?
Which has better reviews, City Zero Gym or Core Lab Wellness?
Do City Zero Gym or Core Lab Wellness have ads?
Which is updated more often, City Zero Gym or Core Lab Wellness?
Other comparisons
