# BIG App x BI Group vs E

The clearest difference is review sentiment: E at 100% against BIG App x BI Group's 27%. 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BIG App x BI Group | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (9 ratings)](https://appshunter.io/ios/app/big-app-x-bi-group/id1311182242/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 26.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 88 MB | 55 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [BI Innovation](https://appshunter.io/developer/1303499261) | [ТОО "Центр устойчивого развития столицы"](https://appshunter.io/developer/941383649) |

## What reviewers say

### BIG App x BI Group

[App page](https://appshunter.io/ios/app/big-app-x-bi-group/id1311182242)

This app offers a comprehensive ecosystem of online services for property clients. Manage real estate purchases, interact with your property management company, access loyalty programs, and explore services for home improvement and smart home installations.

**Highlights:** Online real estate selection and purchase, Property management and utility payments, Loyalty program with cashback, Secondary market real estate services, Turnkey interior finishing services, Smart home system installation and control

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-knot/id1516986646)

This app facilitates the management of apartment buildings and connects residents. It allows for online voting, selection of management companies, and tracking of service charges. Users can also submit requests and receive building news.

**Highlights:** Online voting for building matters, Management company selection, Tariff approval and monitoring, Building news and event notifications, Service request submission and tracking, Resident community participation

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

**In-app purchases:** none


## Frequently asked questions

### Is BIG App x BI Group free?

BIG App x BI Group is free to download, with no in-app purchases.

### Is E free?

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

### Do BIG App x BI Group or E have ads?

Neither BIG App x BI Group nor E shows ads.

### Which is updated more often, BIG App x BI Group or E?

BIG App x BI Group ships an update every 2 weeks, and E every 2 weeks. Most recently, BIG App x BI Group was updated on November 2, 2026 and E on November 3, 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.*