# iBac PRO vs SUNA

The clearest difference is in-app purchases: iBac PRO at none against SUNA's 3. iBac PRO also leads on iOS requirement (12.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SUNA sells 3 in-app purchases, starting at $2.99 per month. iBac PRO asks for nothing beyond the download.

iBac PRO ships an update every 6 weeks, SUNA monthly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | iBac PRO | SUNA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/suna-sauna-tracker/id6758952338/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Freemium |
| Size | 16 MB | 25 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Alcosystems Sweden AB](https://appshunter.io/developer/639771620) | [Jan Kriz](https://appshunter.io/developer/1875952280) |

## What reviewers say

### iBac PRO

[App page](https://appshunter.io/ios/app/ibac-pro/id1310569251)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUNA

[App page](https://appshunter.io/ios/app/suna-sauna-tracker/id6758952338)

Track your sauna sessions, from heat and cooling to rest, using your Apple Watch and iPhone. Analyze your ritual's duration, phases, and heart rate to understand your rhythm and progress. Unlock deeper insights and full history with an optional subscription.

**Highlights:** Track heat, cooling, and rest phases, Start sessions on Apple Watch, View full ritual details on iPhone, Analyze duration, phases, and heart rate, Compare sessions with personal average, Set notes, plans, and reminders, Track journey levels and milestones

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suna+ Monthly | $2.99 | per month |
| Suna+ Yearly | $22.99 | per year |
| Suna+ | $49.99 | one-time |


## Frequently asked questions

### Is iBac PRO free?

iBac PRO is free to download, with no in-app purchases.

### Is SUNA free?

SUNA is free to download, with in-app purchases available.

### Do iBac PRO or SUNA have ads?

Neither iBac PRO nor SUNA shows ads.

### Which is updated more often, iBac PRO or SUNA?

iBac PRO ships an update every 6 weeks, and SUNA monthly. Most recently, iBac PRO was updated on October 26, 2026 and SUNA on October 28, 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.*