Comparison

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.

Head to head
About

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.

Highlights
  • Call elevator from anywhere
  • Smartphone interface
  • Enhanced passenger convenience options
  • Search and register for buildings
  • Cloud connection
Features
Read 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.

About

SURAE

Features
Read 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

eCall by Otis Elevator Co4 screens
SURAE4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
eCall by Otis Elevator Co versus SURAE: the parameters behind the verdict, then further details
ParametereCall by Otis Elevator CoSURAE
PriceFreeFree
Rating3.5 (12 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings12 — better—
Update frequencyEvery 6 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS12.0 — better17.0
Further details — not scored
Size34 MB6 MB
Age rating4+4+
DeveloperOtis Elevator CompanyDonghun Kim

In-app purchases

None

eCall by Otis Elevator Co

No in-app purchases

None

SURAE

No in-app purchases

Questions

Is eCall by Otis Elevator Co free?
eCall by Otis Elevator Co is free to download, with no in-app purchases.
Is SURAE free?
SURAE is free to download, with no in-app purchases.
Do eCall by Otis Elevator Co or SURAE have ads?
Neither eCall by Otis Elevator Co nor SURAE shows ads.
Which is updated more often, eCall by Otis Elevator Co or SURAE?
eCall by Otis Elevator Co ships an update every 6 months, and SURAE every 3 days. Most recently, eCall by Otis Elevator Co was updated on October 7, 2026 and SURAE on October 4, 2026.

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