123Telecom vs NagMon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
123Telecom
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123Telecom is a SIP softclient that extends VoIP functionality beyond the land line or desktop, bringing features of the platform directly to end-user's mobile devices as a Unified Communications Solution. With 123Telecom, users are able to maintain the same identity when making or receiving calls from any location, regardless of device. 123Telecom also grants users the ability to manage contacts, voicemail, call history and configurations in a single location. This includes the management of answering rules, greetings and presence which all contribute to more efficient communication.
NagMon
This app provides real-time monitoring of your IT infrastructure via Nagios. It offers instant alerts, intuitive filtering, and a mobile-optimized dashboard for quick issue resolution on the go. Designed for speed, security, and privacy, it keeps you informed about your network's health.
- Real-time Nagios data
- Instant alerts
- Intuitive filtering
- Mobile-optimized dashboard
- Host and service monitoring
- Privacy-focused design
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NagMon is the fast, secure, and privacy-focused Nagios client built for system administrators and IT professionals who need to keep a constant eye on their infrastructure—wherever they are. Whether you’re managing a small lab environment or overseeing a global network, NagMon delivers your Nagios data in real time, with instant alerts and intuitive filtering tools that help you quickly spot and resolve issues. Designed for speed, security, and usability, NagMon puts powerful monitoring right in your pocket. With a clean, mobile-optimized dashboard, you can see the health of your entire environment at a glance, drill down into specific hosts or services, and act on issues before they escalate—all without compromising your privacy. No ads. No tracking. Just efficient, reliable monitoring on the go.
Screenshots
Verdict
The clearest difference is update cadence: NagMon at every 5 weeks against 123Telecom's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.
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.
123Telecom ships an update every 10 months, NagMon every 5 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | 123Telecom | NagMon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (7 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 10 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 124 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 123Telecom Limited | Richard Vetter |
In-app purchases
123Telecom
No in-app purchases
NagMon
No in-app purchases









