Comm Messenger vs Opacity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comm Messenger
This app allows users to create and join private chat communities hosted on personal keyservers. It offers a hierarchical thread structure similar to Discord channels and nested sidebars like Slack. The platform supports customizable community features through an app library, starting with a calendar app.
- Decentralized keyserver hosting
- Nested chat threads
- Slack-style sidebars
- Community app library
- Calendar app integration
Read full descriptionHide full description
- In Comm, each community is hosted on somebody's keyserver. - You can set up a keyserver on your laptop or in the cloud. - Comm won't host your keyserver for you. (We don't want to have access to your data!) - You don't need a keyserver to join a community, but you do need one to create a community. Keyservers enable us to offer the sort of sophisticated feature set that typically relies on corporate servers on the cloud, without sacrificing the privacy of our users. - Each community on Comm contains a tree structure of chat threads. Our threads are sort of like channels in Discord, but they can be nested inside each other. - Comm supports "sidebars", which are sort of like threads in Slack. Sidebars are created in response to a message in a parent thread. - Along with the default chat functionality, Comm also supports a library of apps to customize your community. We're launching with a Calendar app, and have more apps in the pipeline!
Opacity
Securely store and manage your digital identity, including logins and credentials. Prove facts about yourself without revealing sensitive data, and share verified information with full transparency. Maintain control over your online presence and reputation.
- Private, verified identity vault
- Store logins and credentials
- Prove identity facts without data exposure
- Share verified information transparently
- Connect and manage accounts
- Build online reputation
Read full descriptionHide full description
Opacity is your passport to a user-owned internet. Store your digital identity — logins, credentials, and connected accounts — in a private, verified vault that only you control. Prove facts about your identity without exposing your data. Opacity lets you verify who you are and what you’ve done while keeping your information private and secure. Share what you want — instantly, with full transparency into what’s being shared and with whom. You stay in control, whether you’re connecting accounts, proving your credentials, or porting your reputation across the internet. How it works: • Add accounts like GitHub, Spotify, and more • Verify data (e.g. commit history, top 1% listener) • Share proof anywhere — no need to reveal your full profile Own your identity. Build your reputation. Stay private.
Screenshots
Verdict
The clearest difference is update cadence: Comm Messenger at every 5 days against Opacity's every 2 weeks. Comm Messenger also leads on ratings volume (12 vs 3) and iOS requirement (15.1 vs 17.0). On price, rating, ads and in-app purchases 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. 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 Comm Messenger against 5.0 for Opacity. Both are backed by a comparable volume of ratings — 12 and 3 respectively.
Comm Messenger ships an update every 5 days, Opacity every 2 weeks. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.
| Parameter | Comm Messenger | Opacity |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | 3 |
| Update frequency | Every 5 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 69 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Helio Networks | Opacity Labs |
Customer experience
Comm Messenger
Opacity
In-app purchases
Comm Messenger
No in-app purchases
Opacity
No in-app purchases









