Perspire Sauna Studio 2.0 vs Project Function
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perspire Sauna Studio 2.0
Easily plan and book your infrared sauna sessions on the go. View schedules, check for promotions, and access location and contact details all from your mobile device. Optimize your wellness routine with convenient appointment management.
- Schedule infrared sauna sessions
- View appointment schedules
- Book appointments
- View ongoing promotions
- Access location information
- View contact information
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Plan and schedule your infrared sauna sessions from your mobile device. Download the Perspire Sauna Studio app to plan and schedule your infrared sauna appointments! From this mobile app you can view schedules, book appointments, view ongoing promotions, as well as view our location and contact information. Optimize your time and maximize the convenience of booking your appointments from your device!
Project Function
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With the Project Function App, you can check in to our facility, manage your membership details, and book appointments. - Access digital membership pass - Book appointments and view session balance - Edit personal information and view membership details - Stay up-to-date with announcements from us! Download the app today! Features connectivity to Apple Watch (synced to HealthKit app)
Screenshots
Verdict
The clearest difference is device support: Project Function at 4 against Perspire Sauna Studio 2.0's 2. On price, update cadence, ads 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.
Perspire Sauna Studio 2.0 ships an update every 2 months, Project Function every 6 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Perspire Sauna Studio 2.0 | Project Function |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (13K ratings) — better | — |
| Positive reviews | 81.1% of reviews | — |
| Number of ratings | 13K — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 63 MB | 181 MB |
| Age rating | 4+ | 4+ |
| Developer | Geisler Young | Project Function LLC |
Bugs and requests
Perspire Sauna Studio 2.0
Reported bugs
2 issues- Calendar permission issues
- Inability to see room numbers during booking
Requested features
3 requests- Default studio selection option
- Ability to view session history and remaining sessions
- More comprehensive FAQ and support resources
Project Function
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Perspire Sauna Studio 2.0
No in-app purchases
Project Function
No in-app purchases
Questions
Is Perspire Sauna Studio 2.0 free?
Is Project Function free?
Do Perspire Sauna Studio 2.0 or Project Function have ads?
Which is updated more often, Perspire Sauna Studio 2.0 or Project Function?
Other comparisons
