Delta Chat vs K
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Delta Chat
A decentralized instant messenger prioritizing privacy and ease of use. It allows secure communication with friends, family, and groups without requiring personal data like phone numbers. The app is flexible, reliable in challenging network conditions, and built on open-source principles.
- Private instant onboarding
- No phone number required
- Mutual consent for messaging
- Multiple chat profiles
- Works in bad network conditions
- End-to-end encryption
- Run with own email/server
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Delta Chat is a reliable decentralized instant messenger that is easy and fun to use for friends, family, groups and organizations. Delta Chat is developed by a dedicated FOSS contributor community that jointly releases refinements and new features several times a year, across many stores and platforms world-wide. Features at a glance: • Private. Instant on-boarding without a phone number or other private data. • Friends & Family: Only chat with people you know. Unknown users cannot message or follow you without mutual consent. • Flexible. Supports multiple chat profiles and is easy to setup on multiple devices. • Reliable. Works under bad and adversarial network conditions. • Secure. Audited End-to-End encryption safe against network and server attacks. • Sovereign. Can be run with your own e-mail address or server. • FOSS. Fully Open Source/Free Software, built on Internet Standards.
K
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Your gateway to everything happening in Korea! Our app delivers up-to-date news and articles about Korea’s culture, politics, economy, entertainment, and more. Whether you’re a Korean expat, a Hallyu fan, or just interested in Korea, this app keeps you informed and connected. Terms of Use (EULA) : https://insightbusinessk.ohmyapp.io/ohmyViewer/terms?id=64180db39eeeb6255a0e3b9a
Screenshots
Verdict
The clearest difference is in-app purchases: Delta Chat at none against K's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. K sells 1 in-app purchase, starting at $0.99 per month. Delta Chat asks for nothing beyond the download.
Delta Chat ships an update every 3 weeks, K fortnightly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Delta Chat | K |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (129 ratings) — better | — |
| Positive reviews | 63.2% of reviews | — |
| Number of ratings | 129 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 142 MB |
| Age rating | 4+ | 4+ |
| Developer | merlinux | Kulucky Rangers Inc. |
In-app purchases
Delta Chat
No in-app purchases
K
- 1 Month$0.991 Month
