Comparison

EOS Spa Control vs CresTap

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

Head to head
About

EOS Spa Control

Remotely control and monitor your sauna or steam bath from anywhere. Adjust temperature, humidity, and lighting, set heating times, and manage multiple cabins with an intuitive interface. Offers personalized profiles and usage statistics for a seamless wellness experience.

Highlights
  • Remote sauna and steam bath control
  • Adjustable temperature, humidity, and lighting
  • Multi-cabin capability
  • Preset user profiles
  • Usage statistics
  • Account-based access
Features
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Experience your sauna and wellness experience in a whole new dimension. The EOS Spa Control app has been completely redesigned and combines modern design with particularly intuitive operation. All functions are clearly structured, easily accessible, and can be used without lengthy scrolling. Control and monitor your sauna conveniently from anywhere: simply, securely, and intuitively. Whether temperature, humidity, or lighting, all important settings can be adjusted directly via your smartphone or tablet. Select when you want your sauna to be ready, and the app takes care of the rest. Thanks to state-of-the-art security features, you can reliably operate your sauna remotely at any time. The app is now account-based and offers you more flexibility: use multiple mobile devices, save personal usage data, or set up a guest user. All common types of baths are supported, such as Finnish saunas, saunas with humidity control, saunas with IR (hybrid saunas), IR cabins, steam baths, and hammams. Thanks to multi-cabin capability, you can conveniently control multiple cabins in a single application. New smart features such as the improved quick timer, proactive notifications, and preset user profiles make operation even easier and more convenient. Comprehensive usage statistics also give you an overview of your sauna experiences. Highlights of the EOS Spa Control App • Redesigned, intuitive user interface with clear navigation • Account-based use: access via multiple devices, storage of usage data, setup of guest users • Control of all bath types and multi-cabin capability • Setting of temperature, humidity, light, and individual sauna profiles • Improved quick timer and heating time display with extension option • Proactive notifications and status displays • Comprehensive usage statistics • Individual backgrounds for each connected cabin • Compatible with EOS safety devices (door and light sensors, cover protection rail) • Compatible with EOS U-Command, EmoTec, EmoStyle, Compact Cloud, and older models (with SBM app module) • Free demo version available (no separate hardware required)

About

CresTap

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CresTap is designed to control your Crestron automation system using Apple Watch. CresTap integrates natively with any 2, 3 and 4-Series control processor via the standard XPanel communication protocol. In addition you can run any combination of Digital, Analog and Serial commands using the power of Siri Shortcuts. Turn on your lights automatically when you arrive home or add your favorite scenes to your iPhone Home Screen for example (You can leverage the power of CresTap Siri Shortcuts even without an Apple Watch). ***CresTap connects to Crestron via a paired iPhone, please note that your Watch needs to be in (Bluetooth or Wi-Fi) range of the paired iPhone. Features include; -Standard XPanel protocol eliminates the need for custom code. -Add a shortcut to CresTap on your favorite Apple Watch watch face. -Adapt the look and feel of the Watch App by customizing button and icon colors right from within the iPhone App. -Large set of documented built in icons to choose from. -Real time control for button pushes and feedback. -Up to 10 customizable buttons can be configured. -Connect via Wi-Fi or Mobile (TCP port forwarding may be required). SSL/TLS support for secure connections. -Use device discovery to scan your local network for Crestron devices. CresTap is simply setup by adding a standard XPanel symbol in your SIMPL Windows program and setting up button text and icon signals. Inside the iPhone app you will find sample code to help you get started. CresTap quickly connects to your control system after configuring connection details in the iPhone App and synchronizes automatically with your XPanel symbol running on your control processor upon connection. Please note that the IPID number of the SIMPL Windows symbol must match the IPID defined within CresTap. An icon reference pdf is built into CresTap as well as sample 2, 3 and 4-Series control system programs.

Screenshots

EOS Spa Control4 screens
CresTap4 screens

Verdict

The call

The clearest difference is price: EOS Spa Control at Free against CresTap's $17.99. On update cadence, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

EOS Spa Control is free to download; CresTap costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EOS Spa Control ships an update every 3 months, CresTap every 2 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 9 level
EOS Spa Control versus CresTap: the parameters behind the verdict, then further details
ParameterEOS Spa ControlCresTap
PriceFree — better$17.99
Rating1.0 (3 ratings) — better—
Positive reviews21.4% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.1 — better15.5
Further details — not scored
Size43 MB5 MB
Age rating4+4+
DeveloperEOS Saunatechnik GmbHAndreas Kaspers

In-app purchases

None

EOS Spa Control

No in-app purchases

None

CresTap

No in-app purchases

Questions

Is EOS Spa Control free?
EOS Spa Control is free to download, with no in-app purchases.
Is CresTap free?
CresTap costs $17.99, with no in-app purchases.
Do EOS Spa Control or CresTap have ads?
Neither EOS Spa Control nor CresTap shows ads.
Which is updated more often, EOS Spa Control or CresTap?
EOS Spa Control ships an update every 3 months, and CresTap every 2 months. Most recently, EOS Spa Control was updated on October 7, 2026 and CresTap on September 30, 2026.

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