symlex vs QTel Secure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
symlex
Make affordable voice calls worldwide with exceptional clarity. This app utilizes your iPhone contacts and offers features like a built-in tunnel to bypass VoIP blockades, ensuring connectivity through various networks. Track call costs, time, and status with ease.
- Worldwide voice calls
- Crystal clear voice quality
- Built-in tunnel for VoIP blockades
- Uses iPhone contacts
- Call cost and time logs
- Peer-to-peer call support
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Symlex Pro for iPhone let you make voice call worldwide with the finest voice quality.. App Benefits: •Works from all over the world •Uses iPhone contacts •Crystal Clear Quality •Satisfaction guaranteed! With this application, user can make cheap VOIP calls. Main features: • Making VoIP calls • Built-in tunnel for passing through VoIP blockades • Connectivity through WIFI, 4G/3G,2G EDGE • Integrated contacts from the phone • Loudspeaker • Balance information • Call cost information • Time, call status logs • Peer to Peer call support How to Activate: 1. Go to App Store and download “Symlex Pro” on your iPhone 2. Launch Symlex Pro--> Enter Opcode, enter your user name and password. 3. Launch Symlex Pro and dial destination number using any of the Dial formats or directly from Contact list.
QTel Secure
This app offers a highly secure platform for voice, messaging, and video calls with end-to-end encryption. It ensures total privacy using quantum-resistant encryption and operates seamlessly across various devices for teams and organizations.
- Quantum-resistant encryption
- End-to-end encrypted voice, messaging, video
- Native mobile calling
- Message/call screen protection
- Secure meetings
- Document attachments
- Cross-device compatibility
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QTel Secure is a highly secure communications platform that provides encrypted, end-to-end voice, messaging, and video. Make all your conversations secure between smartphones, tablets, laptops, and desktops. Features include: • Total privacy of communications using quantum-resistant encryption. • Encrypted, end-to-end voice, messaging, and video by default. • Native mobile calling experience. • Message/call screen protection. • Organize meetings with voice and video. • Secure messaging with images and text, including document attachments. • All communications are supported by our secured, private network. • Operates seamlessly across all mobile devices, tablets, and desktop computers. QTel Secure is designed for teams and organizations both large and small. Please contact Global Integrity sales (the developer) to set up your account.
Screenshots
Verdict
The clearest difference is review sentiment: QTel Secure at 100% against symlex's 50%. QTel Secure also leads on ads (none vs shown) and monetization model (free vs ad-supported). symlex's advantage is update cadence (every 6 weeks vs every 6 months) and iOS requirement (10.3 vs 15.0). On price, 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.
symlex ships an update every 6 weeks, QTel Secure every 6 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | symlex | QTel Secure |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Spirnytel Private Limited | Global Integrity, Inc. |
Customer experience
symlex
QTel Secure
In-app purchases
symlex
No in-app purchases
QTel Secure
No in-app purchases









