| App | One-time price | Platforms | License | Free tier | Same platform |
|---|---|---|---|---|---|
| SmartRSS: RSS Reader & Podcast(this app) | Free tier, $19.99 one-time | Linux, Mac, Windows | License not confirmed | Yes | – |
| Kanmail | Free tier, $49 one-time | Linux, Mac, Windows | License not confirmed | Yes | Yes |
| Postbox | $49 one-time | Mac, Windows | License not confirmed | No | Yes |
| mailbird | Free tier, €49.5 one-time | Windows | License not confirmed | Yes | Yes |
| Coherence X5 | Free tier, $39.99 one-time | Mac | License not confirmed | Yes | Yes |
| Proxly | $7.99 one-time | Mac | License not confirmed | No | Yes |
| Switchbar | Free tier, $20 one-time | Browser Extension, Mac, Windows | License not confirmed | Yes | Yes |
| Gatterie | $24.99 one-time | Mac | Perpetual, paid major upgrades | No | Yes |
| BoltAi | $19 one-time | Mac | License not confirmed | No | Yes |
| Eagle | $29.95 one-time | Mac, Windows | License not confirmed | No | Yes |
| GoodLinks | $6.99 one-time | Mac | License not confirmed | No | Yes |
| TablePlus | $89 one-time | Linux, Mac, Windows | License not confirmed | No | Yes |
| Xnapper | $15 one-time | Mac | License not confirmed | No | Yes |
Prices are one-time license fees as listed on each developer's site and may change. Ranked by similarity to SmartRSS: RSS Reader & Podcast: shared category, tags, platforms and community likes.
Kanmail is the closest pay-once alternative to SmartRSS: RSS Reader & Podcast. Turn your inbox into a kanban board for organized email management. Integrate Gmail, Outlook, and more into one view. Enjoy color-coded senders and lightning-fast shortcuts for seamless workflow transitions. Pay once, own forever for $49 USD! Secure and private. It costs Free tier, $49 one-time and runs on Linux, Mac and Windows.
Yes. Kanmail, mailbird, Coherence X5 and Switchbar offer a free tier, and each also sells a one-time license if you outgrow it.
GoodLinks is the lowest-priced option at $6.99 one-time, compared with Free tier, $19.99 one-time for SmartRSS: RSS Reader & Podcast. All prices are one-time license fees, not subscriptions.
Yes. Switchbar is available on Browser Extension, which SmartRSS: RSS Reader & Podcast does not support.
No. Every app on PayOnceApps is listed because it sells a one-time (perpetual) license. Some also offer a free tier or trial. Prices are checked against the developer's site but can change, so confirm on the app's website before buying.
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