eCall by Otis Elevator Co vs SURAE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eCall by Otis Elevator Co
This app provides a smartphone interface to call elevators from anywhere within a building. It offers features for enhanced passenger convenience and allows users to search for and register with multiple buildings.
- Call elevator from anywhere
- Smartphone interface
- Enhanced passenger convenience options
- Search and register for buildings
- Cloud connection
Read full descriptionHide full description
YOUR PERSONAL ELEVATOR BUTTON We’ve created the eCall app to provide you with a simple, clear elevator interface for your smartphone. • Call from anywhere in the building • Cellular or internet cloud connection ACCESSIBILITY Optional long walk and extended door dwell for enhanced passenger convenience. One app. Many buildings. • Search • Register • Use Just download to get started.
SURAE
Read full descriptionHide full description
SURAE remembers where you parked — automatically. Set up the SURAE Hub in your car. When you turn off the engine and walk away, SURAE records where you left it and sends you a notification: "Parked at B2." Nothing to tap, nothing to remember. KEY FEATURES - Automatic parking floor record — no action needed when you park - Manual parking record — GPS outdoors, floor entry indoors - Parking history with date, floor, and duration - Driving log — distance, time, and route - Apple Watch complication - Home Screen widget No account required. Works fully as a guest. Automatic recording requires SURAE devices in your car and in your parking garage.
Screenshots
Verdict
The clearest difference is update cadence: SURAE at every 3 days against eCall by Otis Elevator Co's every 6 months. eCall by Otis Elevator Co's advantage is iOS requirement (12.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
eCall by Otis Elevator Co ships an update every 6 months, SURAE every 3 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.
| Parameter | eCall by Otis Elevator Co | SURAE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 6 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 34 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Otis Elevator Company | Donghun Kim |
In-app purchases
eCall by Otis Elevator Co
No in-app purchases
SURAE
No in-app purchases
Questions
Is eCall by Otis Elevator Co free?
Is SURAE free?
Do eCall by Otis Elevator Co or SURAE have ads?
Which is updated more often, eCall by Otis Elevator Co or SURAE?
Other comparisons











