Fire Form vs Sōl Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fire Form
Easily browse and purchase class packs or memberships. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.
- Purchase class packs and memberships
- Browse class schedule
- Filter classes by type
- Manage class reservations
- Stay organized with fitness goals
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Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals
Sōl Studio
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Discover Sōl Studio—your destination for premium infrared fitness. From the moment you walk through our doors, every detail is designed to help you move with intention, build strength, and leave feeling your best. Book classes, manage your schedule, and stay connected with our community—all in one place. Our Classes • Hot Mat Pilates • Hot Sculpt • Hot Yoga • Hot HIIT Why You'll Love Sōl Studio • Book and manage classes in seconds • Join waitlists and receive class updates • Purchase memberships and class packs • Track your upcoming classes • Stay up to date on studio events and special offers • Experience the benefits of infrared heat in every class Whether you're looking to improve strength, increase mobility, boost endurance, or simply carve out time for yourself, Sōl Studio offers challenging, low-impact workouts that leave you feeling stronger, energized, and restored. Download the Sōl Studio app today and discover your new favorite way to move.
Screenshots
Verdict
Fire Form and Sōl Studio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.
| Parameter | Fire Form | Sōl Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (20 ratings) — better | — |
| Number of ratings | 20 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 38 MB | 124 MB |
| Age rating | 4+ | 17+ |
| Developer | Fire Form LLC | Sutra Fitness, Inc. |
In-app purchases
Fire Form
No in-app purchases
Sōl Studio
No in-app purchases





