# XS4 Com vs CRFI+

XS4 Com and CRFI+ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

XS4 Com ships an update every 3 weeks, CRFI+ every 6 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | XS4 Com | CRFI+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/xs4-com/id1666233988/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 117 MB | 42 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Salto CloudWorks B.V.](https://appshunter.io/developer/751061990) | [Biocontrol](https://appshunter.io/developer/1586087157) |

## What reviewers say

### XS4 Com

[App page](https://appshunter.io/ios/app/xs4-com/id1666233988)

Manage building access remotely with secure, high-definition video and voice calls. Grant visitors entry from anywhere, anytime, and control notifications for enhanced security and convenience.

**Highlights:** Secure HD video calls, Remote visitor access, Voice-only call option, Profile and notification management, Two-way communication

**Features:** macOS Compatibility

**In-app purchases:** none


### CRFI+

[App page](https://appshunter.io/ios/app/crfi-plus/id6445917147)

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

**In-app purchases:** none


## Frequently asked questions

### Is XS4 Com free?

XS4 Com is free to download, with no in-app purchases.

### Is CRFI+ free?

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

### Do XS4 Com or CRFI+ have ads?

Neither XS4 Com nor CRFI+ shows ads.

### Which is updated more often, XS4 Com or CRFI+?

XS4 Com ships an update every 3 weeks, and CRFI+ every 6 weeks. Most recently, XS4 Com was updated on October 30, 2026 and CRFI+ on October 30, 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.*