SLT vs FORM50 Fitness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLT
Book and manage fitness classes directly from your phone. View studio schedules, purchase class packages, and access your account information. Stay connected with the studio through social media links.
- Book classes
- View studio schedules
- Purchase class packages
- Manage account
- View reservations
- Find studio locations
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This is the official App for SLT NYC. With this App, you can find and book your SLT classes, view studio locations and schedules, buy and book your classes, as well view your existing reservations and manage your account. Find us on Instagram at @sltnyc and check out our site at sltnyc.com.
FORM50 Fitness
Plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up, and stay updated on promotions. Access studio location and contact details, and connect with social pages.
- View class schedules
- Sign up for classes
- View ongoing promotions
- Studio location and contact info
- Link to social pages
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Download the FORM50 Fitness App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, view ongoing promotions, as well as view the studio’s location and contact information. You can also click through to our social pages! Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
The clearest difference is ads: SLT at none against FORM50 Fitness's shown. SLT also leads on ratings volume (3.3K vs 752). FORM50 Fitness's advantage is review sentiment (100% vs 71%). On price, rating, update cadence and in-app purchases 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 SLT against 5.0 for FORM50 Fitness. Both are backed by a comparable volume of ratings — 3.3K and 752 respectively. Written reviews are what separate them: 71% of SLT's written reviews are positive against 100% of FORM50 Fitness's.
SLT ships an update every 4 weeks, FORM50 Fitness monthly. Both last shipped on September 23, 2026.
| Parameter | SLT | FORM50 Fitness |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3.3K ratings) | 5.0 (752 ratings) |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 3.3K — better | 752 |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Mariana Tek Corporation | Form50 LLC |
Customer experience
SLT
FORM50 Fitness
In-app purchases
SLT
No in-app purchases
FORM50 Fitness
No in-app purchases
