# E vs KfB Install

The clearest difference is update cadence: E at every 3 weeks against KfB Install's every 2 months. E also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, review sentiment, 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.

E ships an update every 3 weeks, KfB Install every 2 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | E | KfB Install |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/kfb-install/id1510007973/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 36 MB | 108 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WHSoftware](https://appshunter.io/developer/898097334) | [AMZN Mobile LLC](https://appshunter.io/developer/297606954) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-ts-mobile/id1458062517)

This app connects staff to their E-TS database for managing schedules, job details, and client information. It allows for on-the-go creation of quotes and invoices, inventory queries, and GPS tracking of staff locations.

**Highlights:** View and manage schedules and assigned tasks, Access job details, client contacts, and log work times, Create and email quotes and invoices, Query inventory and client databases, Record stock waste, transfers, and job line items, Collect client signatures and save images, Real-time GPS staff location tracking

**Features:** Vision Pro support

**In-app purchases:** none


### KfB Install

[App page](https://appshunter.io/ios/app/kfb-install/id1510007973)

This app enables technicians to install and maintain smart access devices for residential buildings. It facilitates controlled entry for delivery drivers, streamlining package delivery and reducing building staff involvement. The system ensures secure, one-time access after multi-step driver authentication.

**Highlights:** Device installation and maintenance, Controlled access for delivery drivers, Integration with existing access systems, Multi-step driver authentication, Package delivery facilitation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is KfB Install free?

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

### Do E or KfB Install have ads?

Neither E nor KfB Install shows ads.

### Which is updated more often, E or KfB Install?

E ships an update every 3 weeks, and KfB Install every 2 months. Most recently, E was updated on September 18, 2026 and KfB Install on September 23, 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.*