iOS 17 · watchOS 10 · BYOK · No subscription

Live Chinese translation,
the Pro way.

For engineers in China meetings, expats and conference interpreters who need it to actually work.

9,99 € once No subscription No servers No tracking No VPN for China-Only
Download on the App Store
See all 5 pipelines →
SpeechKey live translation session showing ZH→DE translation with 229ms latency
Live translation demo
iFLYTEK ASR → GPT-4o-mini → iOS Voice Live

Five Pipelines

Pick once.
Switch in seconds.

Each pipeline is a curated ASR→MT→TTS stack — tuned for its situation. No guessing, no tweaking.

Standard
Balanced quality, low cost. Daily driver.
iFLYTEK ASR
GPT-4o-mini
iOS Voice
Latency~1.5 s
Cost/h~$1.20
VPNRequired
Pro Live
Best quality. For high-stakes negotiations.
iFLYTEK ASR
GPT-4o flagship
MiniMax
Latency~2.5 s
Cost/h~$6.00
VPNRequired
Realtime
Lowest latency. OpenAI end-to-end.
OpenAI
Realtime API
(end-to-end)
Latency< 1 s
Cost/h~$9.00
VPNRequired
China-Only
No VPN. Mainland servers only. Cheapest.
iFLYTEK ASR
DeepSeek
MiniMax
Latency~2 s
Cost/h~$0.60
VPNNot needed
Watch-Modus
Apple Watch as primary display. TTS off.
Standard stack
+ Watch UI
TTS off by default
Latency~1.5 s
Cost/h~$1.20
VPNRequired

One tap. Switch instantly.

The pipeline picker shows latency, quality and cost per stack — so you always know what you're running. Switch mid-session without restarting.

Full pipeline deep-dive →
Pipeline picker in the SpeechKey app showing Standard, Pro Live, Realtime and China-Only

BYOK — Bring Your Own Key

"You bring the keys. SpeechKey is the cockpit.
Every API call goes directly to the provider you chose — we have no servers, no middleman markup, no surveillance pipeline."

iFLYTEK
Chinese speech recognition (ASR)
Primary
OpenAI
Translation + Realtime API
Primary
DeepSeek
Translation (China-Only)
China-Only
MiniMax
Premium voice (TTS)
Optional
ElevenLabs
Alternative premium voice
Optional

Configure once. App routes from there.

The Providers screen shows all configured providers, active pipeline status and connection state. Switch provider in real time — no restart, no interruption.

Set up API keys →
SpeechKey AI Providers screen showing configured providers

Privacy

No backend.
No servers.

SpeechKey has no backend. We don't store, see, or sell your conversations. No account, no email, no tracking.

Read the full privacy policy →

No servers operated by us

SpeechKey runs entirely on your iPhone and Apple Watch.

No accounts

No email, no signup, no password.

Keys in iOS Keychain only

Never transmitted anywhere except to your chosen provider.

Transcripts stored locally

Exportable, deletable, never uploaded.

GDPR-trivially compliant

We have no data to delete because we have no data.

Apple Privacy Manifest

Declared with CA92.1 reason. No tracking APIs.

Pricing

9,99
One-time purchase · No subscription · No upsell

"A Pro tool at indie prices,
not a SaaS dressed up as an app."

All five pipelines included
Apple Watch companion
Terminology manager
Session history + export
Family Sharing (6 users)
All future updates
Download on the App Store

¥99 in China · AI usage costs go directly to your provider