# Slyd.in vs CordLine

The clearest difference is update cadence: CordLine at every 3 days against Slyd.in's fortnightly. 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.

Slyd.in ships an update fortnightly, CordLine every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Slyd.in | CordLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (35 ratings)](https://appshunter.io/ios/app/slydin/id1591621036/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 135 MB | 112 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [RedEx Media LLC](https://appshunter.io/developer/1466649119) | [Cordline Inc.](https://appshunter.io/developer/6787274508) |

## What reviewers say

### Slyd.in

[App page](https://appshunter.io/ios/app/slydin/id1591621036)

Experience secure and private messaging designed exclusively for iOS devices. Communicate with confidence knowing your conversations are protected.

**Highlights:** Secure messaging, Private communication, iOS exclusive, End-to-end encryption (implied by 'secure'), User-friendly interface (implied by 'messaging')

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

**In-app purchases:** none


### CordLine

[App page](https://appshunter.io/ios/app/cordline/id6787274506)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slyd.in free?

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

### Is CordLine free?

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

### Do Slyd.in or CordLine have ads?

Neither Slyd.in nor CordLine shows ads.

### Which is updated more often, Slyd.in or CordLine?

Slyd.in ships an update fortnightly, and CordLine every 3 days. Most recently, Slyd.in was updated on November 3, 2026 and CordLine on November 5, 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.*