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OSS vs Pro Comparison ​

BiBi Keyboard provides two editions: OSS and Pro. This page compares feature differences.

Positioning ​

  • OSS: free, includes core speech recognition features for most daily usage
  • Pro: one-time purchase ($5.49 / ¥36), adds advanced features for power users

Full feature table ​

CategoryFeatureOSSPro
CoreSpeech recognition (ASR)✅✅
19 ASR providers✅✅
Streaming recognition✅✅
Continuous recording while visible✅✅
Local offline models✅✅
X-ASR local streaming✅✅
AI post-processing (LLM)✅✅
Auto-stop on silence✅✅
InputPress-and-hold / Tap-to-toggle✅✅
Volume key recording✅✅
Floating ball voice input✅✅
External AIDL linking✅✅
Continuous speaking mode (VAD auto)❌✅
TextTrailing punctuation trimming✅✅
Remove trailing punctuation and emoji✅✅
AI editing✅✅
AI post-processing input context❌✅
AI Assistant (voice commands)❌✅
Global undo✅✅
Traditional Chinese conversion❌✅
Regex post-processing and order❌✅
AdvancedApp-specific Prompt❌✅
Hotword management, post-recognition similar-word replacement, and automatic learning❌✅
Speech presets✅✅
Custom punctuation keys✅✅
Visual keyboard layout editor✅✅
API Log / Recording Test✅✅
UIMaterial 3 dynamic color✅✅
Keyboard height tuning✅✅
System bar color sync✅✅
Omni-direction cursor sliding❌✅
AMOLED / Monet / Key color❌✅
DataImport/export settings✅✅
Export logs✅✅
WebDAV auto backup❌✅
OtherClipboard sync✅✅
Haptic feedback✅✅
Multi-language support✅✅
Fully open-source code✅❌

Pro hotwords support details

Pro hotwords cover multiple online ASR providers and selected local engines such as Qwen3-ASR and FunASR Nano. Post-recognition similar-word replacement supports all models.

Pricing ​

EditionPrice
OSSFree
Pro$5.49 / ¥36

FAQ ​

Can I get a refund after buying Pro? ​

  • Google Play: automatic refund within 2 hours (policy may vary)
  • Activation codes: generally not refundable

See Activation - Refund policy.

Is there a Pro trial? ​

No dedicated trial at the moment, but OSS already includes most core features, so you can try OSS first.

Subscription or one-time purchase? ​

One-time purchase. It is bound to your Google account. No subscription.

Can I use Pro on multiple devices? ​

  • Google Play purchase: yes, with the same Google account

Can OSS and Pro coexist? ​

Yes. Pro package is com.brycewg.asrkb.pro, so it can be installed alongside OSS (com.brycewg.asrkb).

Get Pro ​

See Activation.

Quick links:

Released under the Apache 2.0 License.