Knock Messaging vs Rosetta Messenger
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Knock Messaging
Read full descriptionHide full description
Knock Messaging lets you send messages and media through iMessage. Recipients can instantly view shared content using an App Clip or the full app. The App Clip provides a fast and lightweight way to preview messages without installing the full app. Knock Messaging is designed for simple, direct message sharing with a seamless experience across supported devices.
Rosetta Messenger
Read full descriptionHide full description
Rosetta is a private messenger built for secure everyday communication. Create an account without a phone number, protect access with your recovery phrase, and keep your chats synced across devices. Rosetta supports private conversations, group chats, photos, videos, files, voice messages, replies, forwards, and fast message search. What you can do in Rosetta: - Chat privately with end-to-end encrypted messages - Create multiple accounts whenever you need them - Sign in without using a phone number - Share photos, videos, files, and voice messages - Create groups and manage members - Reply, forward, copy, and organize messages - Restore access with your recovery phrase Rosetta keeps messaging simple, private, and focused on the people you talk to.
Screenshots
Verdict
The clearest difference is device support: Knock Messaging at 3 against Rosetta Messenger's 1. Knock Messaging also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Knock Messaging ships an update every 5 days, Rosetta Messenger weekly. Both last shipped on October 25, 2026.
| Parameter | Knock Messaging | Rosetta Messenger |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 36 MB | 74 MB |
| Age rating | 4+ | 17+ |
| Developer | Baseline Polls Limited Liability Company | Vilis Luse |
In-app purchases
Knock Messaging
No in-app purchases
Rosetta Messenger
No in-app purchases
Questions
Is Knock Messaging free?
Is Rosetta Messenger free?
Do Knock Messaging or Rosetta Messenger have ads?
Which is updated more often, Knock Messaging or Rosetta Messenger?
Other comparisons















