Skylar vs Red Cloud Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Skylar
This secure, standard-based mobile VoIP softphone offers high-quality calls over various networks. It features advanced call management, multi-account support, and intelligent network sensing for a smooth user experience.
- Advanced security settings
- Intelligent network quality sensing
- HD Wideband audio
- Multi-tasking support
- Multiple SIP account support
- Call history and management
- XMPP Messaging support
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Skylar is a highly secured, standard-based mobile VoIP softphone that works over 3G, 4G and Wi-Fi networks. Skylar incorporates advanced security settings, which allow for secure calls. Skylar provides superb sound quality and smooth VoIP experience using it’s intelligent network quality sensing capability including Adaptive Jitter Buffer, Packet Lost Concealment, Noise Suppression, Automatic Resampling and Gain Control. Satellite network friendly special audio codec algorithm ensures smooth call experience through low bandwidth channels. Graphical live call statistics including network details helps to provide the best and quick customer support. Skylar is very flexible for branding, customization and licensing for service providers and enterprises. Please contact to sales@brotecs.com. IMPORTANT: Skylar softphone is a standalone SIP based VoIP client application and is not bundled with VoIP service. A SIP server or subscription with a SIP-based VoIP provider is required to make and receive VoIP calls. Key Features: * Multi-tasking support for background operation, such as receive incoming calls while using other applications. * SIP account specific DTMF configurable option: ability to enter numbers and use an auto attendant via RFC 2833 and Inband * Auto NAT type detection and NAT Traversal using STUN, TURN and ICE. * Using the device’s existing contact list, Skylar facilitates easy and effective communication management with an intuitive interface. * Automatically discover the server by using DNS SRV. * VPN Support * Advanced network quality detection for VoIP calls and live graphical statistics for individual call line. * Multiple account support for up to 50 accounts on any SIP-compliant server * Call history with a list of received, missed and dialed calls. * Speakerphone, mute and hold functions. * Dial Plan support for individual SIP account. * Multiple call support – swap between two active calls, merge and split calls, transfer calls (attended and unattended) * HD Wideband audio through G.722 codec. * Enhanced/Optimized OPUS codec support for low bandwidth network. * Audio codecs include G.722 (HD), G.729, G.711A/U (PCMA/PCMU), GSM and OPUS * Automatic codec selection to ensure optimal call quality * XMPP Support for Messaging For Support: skylar.support@brotecs.com
Red Cloud Mobile
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Red Cloud is a SIP soft client that extends VoIP functionality provided by Red Cloud LLC beyond the land line or desktop. It brings features of the Red Cloud platform directly to end-user's mobile devices as a Unified Communications solution. With Red Cloud, users can maintain the same identity when making or receiving calls from any location, regardless of their device. They are also able to seamlessly send an ongoing call from one device to another and continue that call without interruption. Red Cloud grants users the ability to manage contacts, voicemail, call history and configurations in a single location while away from their computer. This also includes the management of answering rules, greetings and presence which all contribute to more efficient communication. NOTICE: You must have an existing account with Red Cloud LLC for Red Cloud to work*** IMPORTANT VOIP OVER MOBILE/CELLULAR DATA NOTICE Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees, or other charges in connection with VoIP. You agree to learn and abide by your cellular carrier's network restrictions. Red Cloud LLC will not be held liable for any charges, fees or liability imposed by your carrier for use of VoIP over Mobile/Cellular Data.
Screenshots
Verdict
The clearest difference is in-app purchases: Red Cloud Mobile at none against Skylar's 2. On price, update cadence, ads 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. Skylar sells 2 one-off in-app purchases. Red Cloud Mobile asks for nothing beyond the download.
Skylar ships an update every 4 months, Red Cloud Mobile every 3 months. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.
| Parameter | Skylar | Red Cloud Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 54 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | BroTecs Technologies, LLC. | True IP Solutions |
In-app purchases
Skylar
- G.729 Codec$2.99
- Full Version$4.99
Red Cloud Mobile
No in-app purchases









