# EOS Installer vs Della Resident

The clearest difference is rating: EOS Installer at 4.8 against Della Resident's 3.9. Della Resident's advantage is ratings volume (17 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

EOS Installer holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 4 and 17 respectively.

EOS Installer ships an update monthly, Della Resident every 3 weeks. The most recent releases landed on July 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | EOS Installer | Della Resident |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/eos-installer/id1533441613/reviews)** | [3.9 (17 ratings)](https://appshunter.io/ios/app/della-resident/id6474153333/reviews) |
| Number of ratings | 4 | **17** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 85 MB | 396 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [INTEREL BUILDING AUTOMATION DMCC](https://appshunter.io/developer/1533441615) | [Della, Inc (DE)](https://appshunter.io/developer/1720830644) |

## What reviewers say

### EOS Installer

[App page](https://appshunter.io/ios/app/eos-installer/id1533441613)

This application allows technicians to commission and troubleshoot INTEREL EOS devices. It connects via Bluetooth to perform over-the-air updates and integrate ZigBee devices.

**Highlights:** Commission INTEREL EOS devices, Support ZigBee device integration, Bluetooth connectivity, Over-the-air updates, Troubleshoot devices

**In-app purchases:** none


### Della Resident

[App page](https://appshunter.io/ios/app/della-resident/id6474153333)

Manage building access, intercom calls, and community events. Reserve amenities, submit maintenance requests, and track parcels. Control smart home devices for a seamless living experience.

**Highlights:** Digital key access, Mobile intercom calls, Community event updates, Amenity booking, Maintenance requests, Parcel tracking, Smart device control

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is EOS Installer free?

EOS Installer is free to download, with no in-app purchases.

### Is Della Resident free?

Della Resident is free to download, with no in-app purchases.

### Which has better reviews, EOS Installer or Della Resident?

EOS Installer is rated higher. EOS Installer averages 4.8 out of 5 from 4 ratings, while Della Resident averages 3.9 from 17 ratings.

### Do EOS Installer or Della Resident have ads?

Neither EOS Installer nor Della Resident shows ads.

### Which is updated more often, EOS Installer or Della Resident?

EOS Installer ships an update monthly, and Della Resident every 3 weeks. Most recently, EOS Installer was updated on July 5, 2026 and Della Resident on September 14, 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.*