# ByLink vs ShieldiT Defense

The clearest difference is update cadence: ByLink at every 4 days against ShieldiT Defense's every 4 months. ByLink also leads on iOS requirement (13.0 vs 18.5). On price, ads, 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.

ByLink ships an update every 4 days, ShieldiT Defense every 4 months. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ByLink | ShieldiT Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bylink/id6469299404/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free | — |
| Size | 83 MB | 290 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Nonblocking Ltd.](https://appshunter.io/developer/1711743552) | [Aspis Cyber Technologies Inc.](https://appshunter.io/developer/1833249585) |

## What reviewers say

### ByLink

[App page](https://appshunter.io/ios/app/bylink/id6469299404)

This secure communication platform offers end-to-end encryption for enterprises. It provides versatile collaboration and cross-platform messaging to protect sensitive business information.

**Highlights:** End-to-end encryption, Cross-platform communication, Versatile collaboration, Secure document sharing, Enterprise-focused design

**Features:** macOS Compatibility

**In-app purchases:** none


### ShieldiT Defense

[App page](https://appshunter.io/ios/app/shieldit-defense/id6751804889)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ByLink free?

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

### Is ShieldiT Defense free?

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

### Do ByLink or ShieldiT Defense have ads?

Neither ByLink nor ShieldiT Defense shows ads.

### Which is updated more often, ByLink or ShieldiT Defense?

ByLink ships an update every 4 days, and ShieldiT Defense every 4 months. Most recently, ByLink was updated on June 1, 2026 and ShieldiT Defense on September 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*