# L7 Cloud PBX vs TelecomsCalc

The clearest difference is price: L7 Cloud PBX at Free against TelecomsCalc's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

L7 Cloud PBX is free to download; TelecomsCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

L7 Cloud PBX ships an update every 18 months, TelecomsCalc every 17 months. The most recent releases landed on September 16, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | L7 Cloud PBX | TelecomsCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/l7-cloud-pbx/id1544289970/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 17 months** |
| Monetization | **Free** | Paid |
| Size | 107 MB | 1 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Ricardo Colorado](https://appshunter.io/developer/1544289972) | [Tien Hoang](https://appshunter.io/developer/1743631038) |

## What reviewers say

### L7 Cloud PBX

[App page](https://appshunter.io/ios/app/l7-cloud-pbx/id1544289970)

Connect to a cloud-based PBX system for secure business communications. Integrate with a contact center infrastructure for enhanced communication services.

**Highlights:** Connect to L7 Cloud PBX, Access Level 7 Contact Center, Secure communications, Mobile connectivity

**In-app purchases:** none


### TelecomsCalc

[App page](https://appshunter.io/ios/app/telecomscalc/id6566176373)

This app offers a suite of tools for wireless communication and antenna engineering. It simplifies complex calculations for unit conversion, path loss, antenna tilt, Fresnel radius, and more, aiding students and professionals in wireless network planning.

**Highlights:** Unit Converter (dBm, watt, milliwatt), Free Space Path Loss Calculator, Antenna Tilt Coverage Calculator, Fresnel Radius Calculator, Parabolic Antenna Gain Calculator, VSWR to Reflection Coefficient Converter, Frequency to Wavelength Converter

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is L7 Cloud PBX free?

L7 Cloud PBX is free to download, with no in-app purchases.

### Is TelecomsCalc free?

TelecomsCalc costs $0.99, with no in-app purchases.

### Do L7 Cloud PBX or TelecomsCalc have ads?

Neither L7 Cloud PBX nor TelecomsCalc shows ads.

### Which is updated more often, L7 Cloud PBX or TelecomsCalc?

L7 Cloud PBX ships an update every 18 months, and TelecomsCalc every 17 months. Most recently, L7 Cloud PBX was updated on September 16, 2026 and TelecomsCalc on June 3, 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.*