VoiceBoo
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Multilingual TTS projects
txt2mp3
FreemiumAPISelf-Hosted
Subscription TTS billing turns a podcast side project into a monthly invoice that scales against you — every draft, every revision, every re-read charged to a meter you didn't budget for. txt2mp3 is a macOS app that breaks that model with a one-time payment and a model that never phones home.
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Summary
The core loop is paste-pick-generate: drop a script into the Studio screen, select one of fourteen preset voices across seven accents, and the app writes an MP3 to disk — 48 kHz, with character-level timestamps, zero bytes uploaded. Voice cloning works from a short reference recording that stays on the machine. A local MCP server lets Claude, Cursor, or any MCP-compatible agent call list_voices and speak without touching a cloud API. The ceiling appears fast: fourteen voices is a fixed library, and the app ships for Apple silicon only, so Windows and Linux teams are blocked before they start.
Bottom line: For a macOS creator or developer who needs unmetered offline TTS with a one-time license and local agent integration, this fits cleanly — but a team needing voice variety beyond fourteen presets, or running on any platform other than Apple silicon, will exhaust the library or the OS constraint before they exhaust the subscription math.
Pricing Plans
Flat RateLast verified 1 day ago- Price
- $29-$99 (one-time)
- Free Tier
- Only how much text the app will read at a time. Every voice and every feature works exactly as it does in the paid app, the trial does not expire, and there is nothing to cancel.
Free Trial
Free
Free to try u2014 buy a license when you are ready
- All voices and features available
- Trial does not expire
- Limited text length per generation
- No account required
First 20 Copies
$29per month
The launch batch. One-time payment.
- All 14 voices
- Voice cloning
- Voice design
- Unlimited generation
- All v1 updates
- Up to 5 Macs per license
Copies 21 to 100
$69per month
Still less than four months of a cloud plan. One-time payment.
- All 14 voices
- Voice cloning
- Voice design
- Unlimited generation
- All v1 updates
- Up to 5 Macs per license
Copies 101 and Up
$99per month
The standing price. One-time payment.
- All 14 voices
- Voice cloning
- Voice design
- Unlimited generation
- All v1 updates
- Up to 5 Macs per license
View full pricing on txt2mp3.app →
Pricing may have changed since last verified. Check the official site for current plans.
Find your fit
Before you choose txt2mp3
More options in Voice Generation / TTS. Compare pricing, platforms, and features side by side.
VocalLab AI Studio
Freemium
Content creators needing quick professional narration
Pros
- One-time license covering all v1 updates, so a project that generates thousands of takes — drafts, revisions, alternate reads — never accumulates a per-character bill.
- Voice cloning from a short reference recording that stays on-device, which means a creator can produce personalized narration without uploading someone's voice to a third-party server.
- Local MCP server binding to localhost, so an AI agent can generate and save speech files without routing audio through an external API or acquiring cloud credentials.
- 48 kHz MP3 export with character-level timestamps included, which means downstream tooling — subtitle sync, audio editing — has alignment data without a separate processing step.
- Commercial use rights ship with the license, so generated audio can go into a product, podcast, or client deliverable without a separate rights review.
Cons
- The preset voice library is fixed at fourteen voices across seven accents. A project requiring more than fourteen distinct characters — or a voice the presets don't approximate — has no expansion path inside the app. Teams hit this wall at script complexity, not at scale, and move to ElevenLabs or a similar cloud provider that offers a broader model library.
- The app runs on Apple silicon only. A development team on Windows or Linux cannot run the app or its MCP server at all. There is no fallback, no web tier, no cross-platform CLI — the platform constraint eliminates the tool before any feature evaluation begins.
- The MCP server is a local process on a single machine, which means agent pipelines that need to generate audio from a remote server, a CI job, or a cloud-hosted agent cannot reach it. Teams needing remote or headless speech generation must maintain a separate cloud TTS integration alongside this one.
About
- Platforms
- macOS (Apple silicon)
- API Available
- Yes
- Self-Hosted
- Yes
- Last Updated
- September 20, 2026
Best For
Who it's for
- macOS users wanting offline TTS without subscriptions
- Developers needing local voice generation for agents or tools
- Creators requiring commercial rights to generated audio
What it does well
- Voice cloning from short recordings for personalized narration
- Local MP3 export for podcasts, audiobooks, or scripts
- Integration with AI agents via local MCP server for automated speech output
Integrations
Frequently Asked Questions
- Is txt2mp3 free?
- txt2mp3 offers a free option alongside paid upgrades. Pricing: $29-$99 (one-time). Check the current allowances and terms before choosing a plan.
- Does txt2mp3 have an API?
- Yes. txt2mp3 exposes a developer API. See the official documentation at https://txt2mp3.app for details.
- Can I self-host txt2mp3?
- Yes. txt2mp3 supports self-hosting on your own infrastructure.
- What platforms does txt2mp3 support?
- txt2mp3 is available on: macOS (Apple silicon).
Subscription TTS billing turns a podcast side project into a monthly invoice
The vendor states txt2mp3 runs entirely on-device after a one-time purchase. Users paste a script into the Studio screen, pick from fourteen preset voices across seven accents, and export a 48 kHz MP3 with character-level timestamps. No data leaves the machine.
Local cloning and agent access
Voice cloning starts from a short reference recording kept on the Mac. A built-in MCP server exposes list_voices and speak calls so Claude, Cursor, or other MCP clients can trigger speech output without cloud credentials or APIs.
Trade-offs
The preset library stays fixed at fourteen voices. The app ships only for Apple silicon, so Windows and Linux users have no path to run it or its MCP server. Trial mode limits text length per generation; full features otherwise work offline.
Who it is for / who should skip it
Best for macOS users who want offline TTS without subscriptions, developers integrating local voice output into agents, and creators who need commercial rights to the audio. Skip it if your team needs more than fourteen voices or runs on non-Apple hardware.
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