# david®chat vs OTWorld

The clearest difference is update cadence: OTWorld at every 2 weeks against david®chat's every 2 months. OTWorld also leads on iOS requirement (13.0 vs 15.6). 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.

david®chat ships an update every 2 months, OTWorld every 2 weeks. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | david®chat | OTWorld |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 64 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tobit Laboratories AG](https://appshunter.io/developer/284971906) | [Leipziger Messe GmbH](https://appshunter.io/developer/871119159) |

## What reviewers say

### david®chat

[App page](https://appshunter.io/ios/app/davidchat/id983175646)

This app enables synchronous communication and secure data exchange with your smartphone via your own server, making email obsolete for efficient teamwork. It allows for text, image, video, and document sharing, group chats, and status updates among users of the same server.

**Highlights:** Synchronous communication, Secure data exchange, Text, image, video, document sharing, Group chats, User status indication

**Features:** macOS Compatibility

**In-app purchases:** none


### OTWorld

[App page](https://appshunter.io/ios/app/otworld/id1618957653)

**In-app purchases:** none


## Frequently asked questions

### Is david®chat free?

david®chat is free to download, with no in-app purchases.

### Is OTWorld free?

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

### Do david®chat or OTWorld have ads?

Neither david®chat nor OTWorld shows ads.

### Which is updated more often, david®chat or OTWorld?

david®chat ships an update every 2 months, and OTWorld every 2 weeks. Most recently, david®chat was updated on September 29, 2026 and OTWorld on October 4, 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.*