Comparison

123Telecom vs NagMon

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

123Telecom

Features
Read full description

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.

About

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.

Highlights
  • Real-time Nagios data
  • Instant alerts
  • Intuitive filtering
  • Mobile-optimized dashboard
  • Host and service monitoring
  • Privacy-focused design
Features
Read full description

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

123Telecom4 screens
NagMon4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
123Telecom versus NagMon: the parameters behind the verdict, then further details
Parameter123TelecomNagMon
PriceFreeFree
Rating—4.1 (7 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 10 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.5
Further details — not scored
Size124 MB5 MB
Age rating4+4+
Developer123Telecom LimitedRichard Vetter

In-app purchases

None

123Telecom

No in-app purchases

None

NagMon

No in-app purchases

Questions

Is 123Telecom free?
123Telecom is free to download, with no in-app purchases.
Is NagMon free?
NagMon is free to download, with no in-app purchases.
Do 123Telecom or NagMon have ads?
Neither 123Telecom nor NagMon shows ads.
Which is updated more often, 123Telecom or NagMon?
123Telecom ships an update every 10 months, and NagMon every 5 weeks. Most recently, 123Telecom was updated on October 27, 2026 and NagMon on October 28, 2026.

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