Live captions, on-device
Speech recognition and translation run on the presenter's Mac or iPhone. Audio never leaves the room; the relay only sees text.
54 speech locales · NLLB-200 for Burmese, Lao, Khmer, Shan
JI/SIG — 1.0
On-device · macOS 26 · iOS 26
One voice.
Every
language.
JoinInter turns a talk into a multilingual room. Your Mac transcribes and translates on-device. The room scans a QR, reads live captions in its own language, asks in its own language, votes, and meets.
Get Pro — $30 lifetime
Download free
One payment. No subscription. No account. Key verifies offline.
- Speech locales
- 54
- Audio sent to cloud
- 0 B
- Phones tested
- 200
- Servers to rent
- 00
EN
Tonight is about building products for Southeast Asia — Six hundred and eighty million people, eleven countries — So rule number one: design for the phone in someone's pocket — Rule two: assume the network will drop, and make that feel normal —
TH
คืนนี้เราจะคุยกันเรื่องการสร้างผลิตภัณฑ์สำหรับเอเชียตะวันออกเฉียงใต้ — ผู้คนหกร้อยแปดสิบล้านคน สิบเอ็ดประเทศ — กฎข้อแรก: ออกแบบสำหรับโทรศัพท์ในกระเป๋าของทุกคน — กฎข้อสอง: คิดไว้เลยว่าเน็ตจะหลุด —
ES
Esta noche hablamos de crear productos para el Sudeste Asiático — Seiscientos ochenta millones de personas, once países — Regla número uno: diseña para el teléfono en el bolsillo — Regla dos: asume que la red se caerá —
00Origin
Chiang Mai has a meetup almost every night, and almost all of it in English. The people with the most to share are the least likely to be in the room.
Visitors come, spend money and move on, and what they know leaves with them. The long-term win is knowledge flowing both ways, in both languages, and staying in the city after the visitors go.
JoinInter turns passing through into passing on.
01Three barriers
Most translation tools stop at the first barrier. We go through all three.
- S.1Go live on your Mac
Pick your language and the room's, then press Go live. The relay starts inside the app.
- S.2Phones scan the QR
One code, pick a language. No app, no account, nothing to sign.
- S.3Captions in your language
Sentence by sentence, or as a running transcript.
- S.4Ask in your language
Questions arrive in the speaker's language. Pin the best on stage.
- S.5Meet
Wave at people who liked your question. Icebreakers in each language.
02Features
Everything a multilingual room needs. Running on the devices you already brought.
Q&A 2.0
Anonymous questions and likes, threads translated for every reader, merge suggestions across languages, optional approve-first moderation.
3→1 same question, all likes kept
Polls the quiet half answers
Options, word cloud or a 1 to 5 scale. Translated into every room language; free-text answers come back in yours.
⌃⌥⌘P quick poll mid-talk
Stage canvas
Slides, captions strip, QR corner, Q&A rail, poll widget and sponsor strip as zones on a 16:9 stage, with rules.
16:9 any output resolution
OBS output
A source, not another streaming app. Browser source with a transparent overlay, virtual camera for Zoom and Meet, NDI.
3 outputs · program audio rides along
iPhone & iPad
Standalone runs a whole session over the phone's hotspot. Companion turns phones into camera, timer, remote or mic.
0 laptops required
Recap & export
Attendees get a recap in their language. You get the timestamped transcript in every language, every poll and question.
JSON · CSV · PDF · MD
Meet & icebreakers
Questions connect people. Icebreakers in each person's language, grounded in the talk, written by your own AI CLI over MCP.
0 API keys needed
One link, any room
The relay starts with Go live. Public link in one click, a branded event link, or fully offline over Wi-Fi or hotspot.
brave-pixel-70.joininter.link
03Stage canvas
One composed stage. Slides, captions, timer, the pinned question, the poll and the QR, laid out as zones.
Z3
SCAN TO JOIN
cnx-tech-night.joininter.link
cnx-tech-night.joininter.link
Z5
THE REGION● LIVE
7:43
Z2
EN
…countries, and more than a thousand languages. Oh, a question.
TH
มีผู้คนหกร้อยแปดสิบล้านคนในภูมิภาคนี้ สิบเอ็ดประเทศ และมากกว่าหนึ่งพันภาษา
ES
…once países y más de mil idiomas.
Z6
CNX TECH NIGHTTHANKS TO — LANNA CLOUD · DOI LABS · PING RIVER VENTURES · NIMMAN COFFEE
- Z1Slide areaPDF, Keynote, PowerPoint or window capture
- Z2Caption stripUp to three room languages, live
- Z3QR cornerJoin code, always visible
- Z4Pinned questionAsked in Thai, shown in English, 8 s rule
- Z5TimerSection, ahead or behind, amber then red
- Z6Sponsor stripSeries branding from the Library
RULEwhen a question is pinned → open the side rail for 8 s
RULEon slide 12 → open poll "Tooling?" → results in Z1
RULEon the last slide → show QR + Meet
04Pricing
USD30
Pay once. Own it.
Pro runs on your own Mac, iPhone and network, so it costs us nothing to run. That's why it costs you $30, once, with every 1.x update.
Get Pro — $30 lifetimeCommunity
FreeMIT licensed
- On-device captions and translation
- Q&A with likes and moderation
- Meet: matching and icebreakers
- AI icebreakers via your CLI (MCP)
- Bring your own relay
Pro
RECOMMENDED$30once · lifetime · all 1.x
- Built-in relay that starts with Go live
- One-click public and branded links, offline mode
- Q&A 2.0, polls, timer and alerts
- Stage canvas, multi-screen, recording
- OBS: browser source, virtual camera, NDI
- iPhone and iPad: Standalone and Companion
- Recap and export, attendee-page branding
Hosted
Fromper event or monthly
- Registration and check-in with QR tickets
- Post-talk chat that outlives the laptop
- Hosted recaps and branded recap email
- Cloud sync, team sharing, bigger audiences
Enterprise
Contactcontract
- External speech and translation providers
- Multichannel audio and interpreters
- Distributed nodes and a relay cluster
- SSO, DPA, on-prem and support
05Questions
Ten answers before you buy.
Anything else, write to hello@joininter.com. A person in Chiang Mai answers.
Q.01Do attendees need to install an app?
No. Attendees scan a QR code and JoinInter opens in their phone's browser. They pick a language, read along, ask and meet. No account, nothing to install.
Q.02Does audio leave my Mac?
No. Speech recognition and translation run on the presenter's Mac or iPhone. The relay only ever sees text, keeps rooms in memory and forgets them after 12 hours idle.
Q.03Which languages does live translation support?
Speech input covers 54 locales. Apple Translation covers 19 languages (38 with regional variants) on-device, and the Mac adds NLLB-200 for languages Apple lacks, such as Czech, Burmese, Lao and Khmer. The attendee interface is in English, Thai, Chinese, Japanese, Czech, German, Spanish, French and Ukrainian.
Q.04What does the $30 lifetime license include?
Every Pro feature in the same signed app, and all 1.x updates. It's a one-time purchase with no subscription and no account. The key verifies offline, so it works at events with no internet.
Q.05Is JoinInter a Slido alternative?
For in-room events, yes, and it translates. Slido-style tools assume everyone speaks the language of the talk. JoinInter translates captions, questions, replies and polls for every attendee, runs on-device, and has no per-event fees.
Q.06Does it work without internet?
Yes. Run the relay over the venue Wi-Fi or a phone hotspot and everything except the public link works offline: captions, translation, Q&A, polls and Meet.
Q.07How many attendees can join?
The built-in relay handles a full meetup room; we test 200 phones at once. The one-click public link has a cap of about 200 connections. Larger audiences are what Hosted and Enterprise are for.
Q.08Can I use it with OBS or a livestream?
Yes. JoinInter outputs a browser source, a virtual camera and NDI, either as the full stage or as a transparent overlay of captions, questions and polls. OBS does the encoding and streaming.
Q.09Can I present from just an iPhone?
Yes. Standalone mode runs a whole session from an iPhone or iPad over its own hotspot. AI icebreakers and the extended NLLB languages need a Mac; on iPhone, rooms use localized template icebreakers and Apple's languages.
Q.10What happens to attendees' data?
Attendees get a random device ID and can stay nameless. Anonymous questions stay anonymous, even to the speaker, until both people accept a wave. Contact details are shared only with accepted matches, and you choose how long each event keeps its data.
Melt the language barrier.
Break the ice.
Get Pro — $30 lifetime
macOS 26 on Apple Silicon. iPhone and iPad app on iOS 26.