| App | One-time price | Platforms | License | Free tier | Same platform |
|---|---|---|---|---|---|
| Eter(this app) | Free tier, $6.99 one-time | Mac | License not confirmed | Yes | – |
| Colibri | $19.99 one-time | Mac | License not confirmed | No | Yes |
| AudioBo: Audiobook Creator | Free tier, $9.99 one-time | Mac | License not confirmed | Yes | Yes |
| Notch Radio | Free tier, $9.99 one-time | Mac | Perpetual, lifetime updates | Yes | Yes |
| AI music studio for podcasters and game devs | Free tier, $4.99 one-time | Web | License not confirmed | Yes | No |
| Backbeat Forge | Free tier, $19 one-time | Linux, Windows | License not confirmed | Yes | No |
| CleanShot X | $29 one-time | Mac | License not confirmed | No | Yes |
| Audio Writer | $19 one-time | Mac | License not confirmed | No | Yes |
| DaVinci Resolve | $295 one-time | Linux, Mac, Windows | License not confirmed | No | Yes |
| Downie | €18.99 one-time | Mac | License not confirmed | No | Yes |
| FocuSee | $79.99 one-time | Mac, Windows | License not confirmed | No | Yes |
| Permute | €14.99 one-time | Mac | License not confirmed | No | Yes |
| Recut | $99 one-time | Mac, Windows | 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 Eter: shared category, tags, platforms and community likes.












Colibri is the closest pay-once alternative to Eter. A native Mac audio player that supports crystal-clear bit-perfect gapless playback of most audio formats, using minimal computing power for a seamless user experience. It costs $19.99 one-time and runs on Mac.
Yes. AudioBo: Audiobook Creator, Notch Radio, AI music studio for podcasters and game devs and Backbeat Forge offer a free tier, and each also sells a one-time license if you outgrow it.
AI music studio for podcasters and game devs is the lowest-priced option at Free tier, $4.99 one-time, compared with Free tier, $6.99 one-time for Eter. All prices are one-time license fees, not subscriptions.
Yes. AI music studio for podcasters and game devs, Backbeat Forge, DaVinci Resolve, FocuSee and Recut are available on Web, Linux and Windows, which Eter 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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