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PSI screenshots
Screenshots via App Store. All trademarks belong to their respective owners.
At a glance: PSI
PSI runs on Mac and is listed under Instant Messaging, developed by Moballo, LLC. It’s catalogued on AppScout with a verified link to the official store.
It shows steady community adoption from the source catalog. Ratings come from the original listing — AppScout does not collect its own reviews.
Looking for similar Instant Messaging options on Mac? Compare PSI with the alternatives below, or browse more Mac apps with related features.
About PSI
A simple Jabber-based IM client
What we like
- Links to a verified official source
Things to consider
- Store availability varies by country — confirm before downloading
- Offline support not explicitly stated — check the store description
- Pricing details not stored locally — confirm on the store page
How to install PSI
- Tap Get on App StoreYou’ll be taken to the official App Store listing for PSI.
- Sign in if promptedUse your usual App Store account; no AppScout account is needed.
- Install on your Mac deviceThe download starts automatically once you confirm.
Permissions and privacy
Apps in this category may request access to contacts, microphone or camera. Review permissions on the store page.
Categories
PSI vs. alternatives
| App | Rating | Downloads | Tags |
|---|---|---|---|
| PSI (this app) | — | — | |
| Messenger for Desktop | ★ 5.0 | 51.3 k | — |
| aMSN | ★ 3.0 | 92.3 k | — |
| Camfrog | ★ 4.0 | 17.4 k | — |
| Adium | ★ 9.4 | 39.4 k | — |
| AIM | ★ 3.9 | 3.9 k | — |
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Frequently asked questions
Is PSI free?
PSI is distributed through the official App Store. Pricing and in-app purchases are shown on the store page when you tap Get on App Store.
Is PSI safe to download?
We only link to verified official sources (App Store). Always check the developer name and reviews on the store page before installing.
What platforms does PSI support?
This listing covers the Mac version of PSI. Check the official store for availability on other platforms.
What are alternatives to PSI?
See the related Instant Messaging apps below, or browse the full Instant Messaging category for more options.
Does PSI work offline?
Offline support depends on the app. Check the official store description for details about offline mode and required permissions.
When was PSI last updated?
This catalog page was last updated July 07, 2026. For the latest app version and changelog, visit the official store.