# IDefy vs SLYTALK

The clearest difference is in-app purchases: IDefy at none against SLYTALK's 1. IDefy also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SLYTALK sells 1 in-app purchase, starting at $2.99 per month. IDefy asks for nothing beyond the download.

IDefy ships an update every 6 weeks, SLYTALK every 4 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IDefy | SLYTALK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/slytalk/id6468567861/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Subscription |
| Size | 69 MB | 18 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE ENGINEERING COMPANY FOR DEVELOPMENT OF DIGITAL SYSTEMS SAE](https://appshunter.io/developer/1548749397) | [MobileSphere, Ltd](https://appshunter.io/developer/295767902) |

## What reviewers say

### IDefy

[App page](https://appshunter.io/ios/app/idefy/id1617726714)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLYTALK

[App page](https://appshunter.io/ios/app/slytalk/id6468567861)

Securely communicate with state-of-the-art encryption for messages, calls, and video chats. Enjoy a private and clutter-free experience without ads. Designed for those who prioritize privacy and security.

**Highlights:** End-to-end encrypted voice and video calls, Secure messaging, Ad-free and clutter-free interface, Private communication, High-definition video calls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |


## Frequently asked questions

### Is IDefy free?

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

### Is SLYTALK free?

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

### Do IDefy or SLYTALK have ads?

Neither IDefy nor SLYTALK shows ads.

### Which is updated more often, IDefy or SLYTALK?

IDefy ships an update every 6 weeks, and SLYTALK every 4 months. Most recently, IDefy was updated on November 7, 2026 and SLYTALK on November 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.*