Turn documents and books into audio on your iPhone, with no server.
Ship an offline AI text-to-speech app: Local TTS, $4,572 in 28 days
On-device AI removes per-use costs, which makes lifetime pricing possible.
Figures as shared by the creator · source
From @Alternative_Tour1791 on Reddit · Sep 2026
The Short Version
How u/Alternative_Tour1791 (Local TTS) made $4,572 revenue in 28 days, according to Reddit (self-reported).
- What: The solo developer behind LoroNote launched Local TTS on June 18, an offline text-to-speech reader for iPhone and iPad using the open models Kokoro-82M and Supertonic 3 for 31 languages.
- Result: He reported $4,572 in revenue over the last 28 days, $852 MRR and 170 active subscriptions, less than three months after launch (Reddit, r/AppBusiness, Sep 2026).
| Who | u/Alternative_Tour1791 (Local TTS) |
|---|---|
| Tool | Not named in the source |
| Money | $4,572 revenue in 28 days |
| Timeframe | Sep 2026 |
| Source | |
| Self-reported | Yes |
The workflow
Where & With What
What They Did
- 1The moveThe solo developer behind LoroNote launched Local TTS on June 18, an offline text-to-speech reader for iPhone and iPad using the open models Kokoro-82M and Supertonic 3 for 31 languages.
- 2Step 2Run open AI models on the device
- 3Step 3Polish imports and playback
- 4ResultHe reported $4,572 in revenue over the last 28 days, $852 MRR and 170 active subscriptions, less than three months after launch (Reddit, r/AppBusiness, Sep 2026).
Quick Answers
What tools do you need?
Just the platform account.
How much does it cost?
No paid tools needed: this case uses only the platform itself, which is free to join.
Is it allowed?
Follow the platform rules and disclose ads.
Watch out: Self-reported; a copycat app already exists, he says.
Try It Yourself
(Our template, not the creator's prompt.) Write App Store copy for an offline AI reader app: a 30-character subtitle, 5 keyword ideas and 3 screenshot captions that stress privacy and offline use.
Your first step
Paste the prompt into your AI assistant and swap the [brackets] for your own niche.
Full write-up & sources
More detail: He handled PDF, EPUB and Word imports, word highlighting and lock-screen playback. Running on the device means no speech API bill, so he can offer lifetime access next to subscriptions. Marketing was mostly App Store optimization plus mentions in his other apps.
Source: @Alternative_Tour1791 on Reddit · Sep 2026. Summarised in our own words; figures as shared by the creator or shown on the platform. Updated .
