# STF Connect vs Delta Chat

The clearest difference is rating: Delta Chat at 4.5 against STF Connect's 3.7. Delta Chat also leads on ratings volume (127 vs 7) and iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Delta Chat holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Delta Chat has 127 ratings behind it against 7, so its average is the more settled of the two.

STF Connect ships an update fortnightly, Delta Chat every 3 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | STF Connect | Delta Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/stf-connect/id1330731445/reviews) | **[4.5 (127 ratings)](https://appshunter.io/ios/app/delta-chat/id1459523234/reviews)** |
| Number of ratings | 7 | **127** |
| Positive reviews | — | 63.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 61 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Staffbase GmbH](https://appshunter.io/developer/918506037) | [merlinux](https://appshunter.io/developer/1459523233) |

## What reviewers say

### STF Connect

[App page](https://appshunter.io/ios/app/stf-connect/id1330731445)

Connect with colleagues for the latest company news, forms, and direct messaging. Stay updated on alerts and share information easily on the go. This platform fosters internal communication and engagement.

**Highlights:** Company news and updates, Access to forms, Chat messaging, Peer-to-peer communication, On-the-go alerts

**In-app purchases:** none


### Delta Chat

[App page](https://appshunter.io/ios/app/delta-chat/id1459523234)

This decentralized messenger offers private, secure, and reliable instant messaging. It allows for easy setup on multiple devices and supports multiple chat profiles without requiring a phone number. Enjoy end-to-end encryption and the flexibility to run it with your own email or server.

**Highlights:** Decentralized instant messaging, Private onboarding without phone number, End-to-end encryption, Multiple chat profiles, Works on multiple devices, Self-hosted option

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STF Connect free?

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

### Is Delta Chat free?

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

### Which has better reviews, STF Connect or Delta Chat?

Delta Chat is rated higher. STF Connect averages 3.7 out of 5 from 7 ratings, while Delta Chat averages 4.5 from 127 ratings.

### Do STF Connect or Delta Chat have ads?

Neither STF Connect nor Delta Chat shows ads.

### Which is updated more often, STF Connect or Delta Chat?

STF Connect ships an update fortnightly, and Delta Chat every 3 weeks. Most recently, STF Connect was updated on October 9, 2026 and Delta Chat on October 18, 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.*