# Otis eService vs MAX Smart Service

The clearest difference is rating: Otis eService at 3.4 against MAX Smart Service's 1.0. Otis eService also leads on review sentiment (17% vs 0%) and ratings volume (5 vs 1). MAX Smart Service's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Otis eService holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Otis eService has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of Otis eService's written reviews are positive against 0% of MAX Smart Service's.

Otis eService ships an update every 4 months, MAX Smart Service every 3 weeks. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Otis eService | MAX Smart Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/otis-eservice/id632376485/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/max-smart-service/id6744236017/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 64 MB | 93 MB |
| Requires iOS | **9.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Otis Elevator Company](https://appshunter.io/developer/992577451) | [TK Elevator GmbH](https://appshunter.io/developer/470858800) |

## What reviewers say

### Otis eService

[App page](https://appshunter.io/ios/app/otis-eservice/id632376485)

Access real-time equipment performance details, receive instant notifications, and view service history. Request service calls easily and manage your equipment's key operating metrics through a personalized dashboard.

**Highlights:** Real-time performance details, Instant notifications, Service history access, Service call requests, Equipment metrics dashboard, Contact options

**Features:** macOS Compatibility

**In-app purchases:** none


### MAX Smart Service

[App page](https://appshunter.io/ios/app/max-smart-service/id6744236017)

Monitor elevator and escalator activity in real-time and submit service requests anytime, anywhere. Gain transparency and peace of mind with instant updates on your units' status.

**Highlights:** Real-time unit monitoring, 24/7 service request creation, Track latest unit activity, Instant status updates, Peace of mind through transparency

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

**In-app purchases:** none


## Frequently asked questions

### Is Otis eService free?

Otis eService is free to download, with no in-app purchases.

### Is MAX Smart Service free?

MAX Smart Service is free to download, with no in-app purchases.

### Which has better reviews, Otis eService or MAX Smart Service?

Otis eService is rated higher. Otis eService averages 3.4 out of 5 from 5 ratings, while MAX Smart Service averages 1.0 from 1 ratings.

### Do Otis eService or MAX Smart Service have ads?

Neither Otis eService nor MAX Smart Service shows ads.

### Which is updated more often, Otis eService or MAX Smart Service?

Otis eService ships an update every 4 months, and MAX Smart Service every 3 weeks. Most recently, Otis eService was updated on September 30, 2026 and MAX Smart Service on October 12, 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.*