# Selcall Selective Calling Tone vs CL650 CMS Crew Application

The clearest difference is price: CL650 CMS Crew Application at Free against Selcall Selective Calling Tone's $2.99. Selcall Selective Calling Tone's advantage is update cadence (every 4 months vs every 14 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

CL650 CMS Crew Application is free to download; Selcall Selective Calling Tone costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Selcall Selective Calling Tone ships an update every 4 months, CL650 CMS Crew Application every 14 months. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Selcall Selective Calling Tone | CL650 CMS Crew Application |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.2 (14 ratings)](https://appshunter.io/ios/app/selcall-selective-calling-tone/id547030339/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Free | — |
| Size | 2 MB | 34 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Lufthansa Technik AG - Innovation](https://appshunter.io/developer/419109455) |

## What reviewers say

### Selcall Selective Calling Tone

[App page](https://appshunter.io/ios/app/selcall-selective-calling-tone/id547030339)

Generate various selective calling tones for communication. Choose from over 20 tone types, queue multiple tones for burst transmission, and customize tone durations and gaps. Store frequently used sequences for quick access.

**Highlights:** Over 20 tone types, Tone queuing and burst transmission, Customizable tone duration and gap, Memory for storing tone sequences, CTCSS continuous tone generation, CODAN mode for priority calls

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

**In-app purchases:** none


### CL650 CMS Crew Application

[App page](https://appshunter.io/ios/app/cl650-cms-crew-application/id1132574457)

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

**In-app purchases:** none


## Frequently asked questions

### Is Selcall Selective Calling Tone free?

Selcall Selective Calling Tone costs $2.99, with no in-app purchases.

### Is CL650 CMS Crew Application free?

CL650 CMS Crew Application is free to download, with no in-app purchases.

### Do Selcall Selective Calling Tone or CL650 CMS Crew Application have ads?

Neither Selcall Selective Calling Tone nor CL650 CMS Crew Application shows ads.

### Which is updated more often, Selcall Selective Calling Tone or CL650 CMS Crew Application?

Selcall Selective Calling Tone ships an update every 4 months, and CL650 CMS Crew Application every 14 months. Most recently, Selcall Selective Calling Tone was updated on September 26, 2026 and CL650 CMS Crew Application on September 8, 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.*