Comparison

Fire Form vs Sōl Studio

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

Head to head
About

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.

Highlights
  • Purchase class packs and memberships
  • Browse class schedule
  • Filter classes by type
  • Manage class reservations
  • Stay organized with fitness goals
Features
Read full description

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

About

Sōl Studio

Features
Read full description

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

Fire Form4 screens
Sōl Studio4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

ScorecardNo meaningful differences
Fire Form versus Sōl Studio: the parameters behind the verdict, then further details
ParameterFire FormSōl Studio
PriceFreeFree
Rating5.0 (20 ratings) — better—
Number of ratings20 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size38 MB124 MB
Age rating4+17+
DeveloperFire Form LLCSutra Fitness, Inc.

In-app purchases

None

Fire Form

No in-app purchases

None

Sōl Studio

No in-app purchases

Questions

Is Fire Form free?
Fire Form is free to download, with no in-app purchases.
Is Sōl Studio free?
Sōl Studio is free to download, with no in-app purchases.
Do Fire Form or Sōl Studio have ads?
Neither Fire Form nor Sōl Studio shows ads.
Which is updated more often, Fire Form or Sōl Studio?
Fire Form ships an update monthly, and Sōl Studio monthly. Most recently, Fire Form was updated on September 30, 2026 and Sōl Studio on September 21, 2026.

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