# Slyd.in vs KepSecure

The clearest difference is in-app purchases: Slyd.in at none against KepSecure's 2. KepSecure's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KepSecure sells 2 in-app purchases, starting at $0.99 per month. Slyd.in asks for nothing beyond the download.

Slyd.in ships an update every 3 weeks, KepSecure every 5 days. The most recent releases landed on August 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Slyd.in | KepSecure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (34 ratings)](https://appshunter.io/ios/app/slydin/id1591621036/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 131 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [RedEx Media LLC](https://appshunter.io/developer/1466649119) | [Binary Computing LLC](https://appshunter.io/developer/1529166241) |

## What reviewers say

### Slyd.in

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

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

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

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

**In-app purchases:** none


### KepSecure

[App page](https://appshunter.io/ios/app/kepsecure/id6460936167)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Messaging Monthly Plan | $0.99 | per month |
| Ad-free Messaging Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is Slyd.in free?

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

### Is KepSecure free?

KepSecure is free to download, with in-app purchases available.

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

Neither Slyd.in nor KepSecure shows ads.

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

Slyd.in ships an update every 3 weeks, and KepSecure every 5 days. Most recently, Slyd.in was updated on August 23, 2026 and KepSecure on September 22, 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.*