E3 Controller vs SaunaLogic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E3 Controller
Control your Disklavier E3 or DKC-850 remotely from your iOS device. View song titles and access all functions previously available with the infrared remote. Requires a wireless router connection to your piano.
- Remote control for Disklavier E3/DKC-850
- Access all infrared remote functions
- View piano control unit screen
- Check song titles remotely
- Wireless router connectivity
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E3 Controller is an application designed to enable remote control of a Disklavier E3 or DKC-850. All functions that were possible with the infrared remote control (that was included with the Disklavier E3 or DKC-850) have been made available on iOS devices (iPhone/iPod touch/iPad). Moreover, the E3 Controller displays the screen of the control unit of Disklavier, so you don't have to physically go to the piano to confirm, for example, a song title. All that's required is your ability to access the wireless router that is connected to your Disklavier. Requirements: - Disklavier E3 Version 3.20 or later, or DKC-850 Version 3.20 or later - Wireless router Usage note: * Connect Disklavier to the wireless router by LAN cable and choose that same network in the Wi-Fi setting of iPhone/iPod touch/iPad. * If the wireless router has several local networks, confirm that the Disklavier and the iOS device are connected to the same LAN. For more detail, refer to the manual that came with your wireless router. User's Guide: You can access the E3 Controller User's Guide by tapping the "triangle" button in the lower-right corner of the display.
SaunaLogic
Control your TyloHelo sauna and steam bath remotely. Manage your heating and lighting settings for ultimate relaxation and convenience.
- Remote operation of TyloHelo products
- Control heating settings
- Manage lighting
- User convenience
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SaunaLogic App is designed for the user's convenience to operate their TyloHelo products remotely.
Screenshots
Verdict
The clearest difference is rating: SaunaLogic at 4.8 against E3 Controller's 2.9. SaunaLogic also leads on ratings volume (1.1K vs 9). E3 Controller's advantage is review sentiment (57% vs 41%). 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.
SaunaLogic holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: SaunaLogic has 1.1K ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 57% of E3 Controller's written reviews are positive against 41% of SaunaLogic's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.
| Parameter | E3 Controller | SaunaLogic |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (9 ratings) | 4.8 (1.1K ratings) — better |
| Positive reviews | 57.1% of reviews — better | 41.0% of reviews |
| Number of ratings | 9 | 1.1K — better |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 215 MB |
| Age rating | 4+ | 4+ |
| Developer | Yamaha Corporation of America | SAUNA360 INC. |
Customer experience
E3 Controller
SaunaLogic
Bugs and requests
E3 Controller
Not enough reviews yet to summarise bugs or requests.
SaunaLogic
Reported bugs
5 issues- Compatibility issues with new iPhone iOS
- Scenes don't work as expected
- App freezes and shows incorrect sauna status
- Sign in with Apple issue
- Repeated attempts to connect
Requested features
5 requests- Temperature notification when sauna reaches target temp
- Adjust duration separately from warm-up time
- Ability to dim lights from app
- Integrate with Apple Health
- Apple Watch app
In-app purchases
E3 Controller
No in-app purchases
SaunaLogic
No in-app purchases
