# SUNA vs Water Tracker for Dummies

The clearest difference is price: SUNA at Free against Water Tracker for Dummies's $0.99. Water Tracker for Dummies's advantage is in-app purchases (none vs 3) and update cadence (every 10 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

SUNA is free to download; Water Tracker for Dummies costs $0.99 up front. SUNA sells 3 in-app purchases, starting at $2.99 per month. Water Tracker for Dummies asks for nothing beyond the download.

SUNA ships an update monthly, Water Tracker for Dummies every 10 days. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | SUNA | Water Tracker for Dummies |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 25 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jan Kriz](https://appshunter.io/developer/1875952280) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### 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 |


### Water Tracker for Dummies

[App page](https://appshunter.io/ios/app/water-tracker-for-dummies/id6762805600)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNA free?

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

### Is Water Tracker for Dummies free?

Water Tracker for Dummies costs $0.99, with no in-app purchases.

### Do SUNA or Water Tracker for Dummies have ads?

Neither SUNA nor Water Tracker for Dummies shows ads.

### Which is updated more often, SUNA or Water Tracker for Dummies?

SUNA ships an update monthly, and Water Tracker for Dummies every 10 days. Most recently, SUNA was updated on October 28, 2026 and Water Tracker for Dummies on November 1, 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.*