# GUTREND ECHO vs Электронная сервисная книга

The clearest difference is update cadence: Электронная сервисная книга at daily against GUTREND ECHO's every 9 months. GUTREND ECHO's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

GUTREND ECHO ships an update every 9 months, Электронная сервисная книга daily. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GUTREND ECHO | Электронная сервисная книга |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Free | — |
| Size | 73 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUPERMEN BT, OOO](https://appshunter.io/developer/1467174433) | [Sergey Zverev](https://appshunter.io/developer/1548428368) |

## What reviewers say

### GUTREND ECHO

[App page](https://appshunter.io/ios/app/gutrend-echo/id1477943982)

Control your robot vacuum cleaner with your phone. Schedule cleanings, set preferences, and monitor cleaning progress. Personalize device settings and easily manage your equipment.

**Highlights:** Remote control robot functions, Schedule cleaning times, Set cleaning preferences, View cleaning area and time data, Personalize device settings, Time calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### Электронная сервисная книга

[App page](https://appshunter.io/ios/app/id6803786974)

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

**In-app purchases:** none


## Frequently asked questions

### Is GUTREND ECHO free?

GUTREND ECHO is free to download, with no in-app purchases.

### Is Электронная сервисная книга free?

Электронная сервисная книга is free to download, with no in-app purchases.

### Do GUTREND ECHO or Электронная сервисная книга have ads?

Neither GUTREND ECHO nor Электронная сервисная книга shows ads.

### Which is updated more often, GUTREND ECHO or Электронная сервисная книга?

GUTREND ECHO ships an update every 9 months, and Электронная сервисная книга daily. Most recently, GUTREND ECHO was updated on October 17, 2026 and Электронная сервисная книга on October 24, 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.*