SLT vs RFRM.
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.
RFRM.
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Download the RFRM. app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://rfrm.co.uk/ to learn more.
Screenshots
Verdict
The clearest difference is update cadence: SLT at every 4 weeks against RFRM.'s every 6 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SLT ships an update every 4 weeks, RFRM. every 6 months. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.
| Parameter | SLT | RFRM. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3.3K ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 3.3K — better | — |
| Update frequency | Every 4 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 38 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Mariana Tek Corporation | REFORM PILATES STUDIOS LTD |
In-app purchases
SLT
No in-app purchases
RFRM.
No in-app purchases
