# TrustDevice vs GureumTalk

The clearest difference is update cadence: GureumTalk at every 2 days against TrustDevice's fortnightly. TrustDevice's advantage is iOS requirement (13.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for TrustDevice against 5.0 for GureumTalk. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

TrustDevice ships an update fortnightly, GureumTalk every 2 days. The most recent releases landed on September 5, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | TrustDevice | GureumTalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/trustdevice/id1476048280/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gureumtalk/id6744521043/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 32 MB | 31 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杭州博盾习言科技有限公司](https://appshunter.io/developer/976917020) | [Jinho Lee](https://appshunter.io/developer/1745412356) |

## What reviewers say

### TrustDevice

[App page](https://appshunter.io/ios/app/trustdevice/id1476048280)

A social networking application designed for security circle developers. It offers a platform for collaboration and sharing within the development community.

**Highlights:** Social networking for developers, Focus on security circles, Collaboration platform, Community sharing

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

**In-app purchases:** none


### GureumTalk

[App page](https://appshunter.io/ios/app/gureumtalk/id6744521043)

This app offers secure and private messaging exclusively for iOS devices. Conversations are stored and synced via iCloud, ensuring privacy and easy access across devices. It allows for easy invitations to chats via shareable links without exchanging personal contact information.

**Highlights:** End-to-end encrypted messaging, iCloud storage and sync, Shareable chat invitations, No contact information exchange required, Private conversations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrustDevice free?

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

### Is GureumTalk free?

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

### Which has better reviews, TrustDevice or GureumTalk?

TrustDevice and GureumTalk are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do TrustDevice or GureumTalk have ads?

Neither TrustDevice nor GureumTalk shows ads.

### Which is updated more often, TrustDevice or GureumTalk?

TrustDevice ships an update fortnightly, and GureumTalk every 2 days. Most recently, TrustDevice was updated on September 5, 2026 and GureumTalk on August 13, 2026.

---

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