# Fire Form vs Sōl Studio

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.

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.

## The numbers

| Metric | Fire Form | Sōl Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/fire-form/id6774750229/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 38 MB | 124 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Fire Form LLC](https://appshunter.io/developer/6774750231) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Fire Form

[App page](https://appshunter.io/ios/app/fire-form/id6774750229)

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:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Sōl Studio

[App page](https://appshunter.io/ios/app/sol-studio/id6790493203)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*