# symlex vs QTel Secure

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.

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.

## The numbers

| Metric | symlex | QTel Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/qtel-secure/id6443678207/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 28 MB | 65 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spirnytel Private Limited](https://appshunter.io/developer/591033046) | [Global Integrity, Inc.](https://appshunter.io/developer/1648303590) |

## What reviewers say

### symlex

[App page](https://appshunter.io/ios/app/symlex/id1108402061)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### QTel Secure

[App page](https://appshunter.io/ios/app/qtel-secure/id6443678207)

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.

**Highlights:** Quantum-resistant encryption, End-to-end encrypted voice, messaging, video, Native mobile calling, Message/call screen protection, Secure meetings, Document attachments, Cross-device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is symlex free?

symlex is free to download, with no in-app purchases.

### Is QTel Secure free?

QTel Secure is free to download, with no in-app purchases.

### Do symlex or QTel Secure have ads?

symlex shows ads; QTel Secure does not.

### Which is updated more often, symlex or QTel Secure?

symlex ships an update every 6 weeks, and QTel Secure every 6 months. Most recently, symlex was updated on October 6, 2026 and QTel Secure on October 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.*