XS4 Com vs CRFI+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XS4 Com
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.
- Secure HD video calls
- Remote visitor access
- Voice-only call option
- Profile and notification management
- Two-way communication
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XS4 Com is a smart intercom solution for your building, powered by SALTO Systems. With the XS4 Com Mobile App, you can seamlessly manage access to your building with secure, two-way HD video calls.. Instantly grant visitors remote access with just a tap—whether you're at home, at work or on the go. What can you do with the XS4 Com App? - Instant Video Calls: See who’s at your door before letting them in with secure, high-definition video calls. - Remote Access: Grant access to visitors from anywhere, at any time. - Flexible Communication: Easily switch between video or voice-only calls. - Stay in Control: Set up your profile and manage notifications easily. Security, simplicity, and control—everything you need in an intercom app.
CRFI+
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CRFI+ is software for the iOS system that can be used for the monitoring of farms that are in cooperation with BioControl.. Allows to monitor the status of the devices and shows the alarms that have been generated on the farm.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | XS4 Com | CRFI+ |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 42 MB |
| Age rating | 9+ | 4+ |
| Developer | Salto CloudWorks B.V. | Biocontrol |
In-app purchases
XS4 Com
No in-app purchases
CRFI+
No in-app purchases
