diff --git a/README.md b/README.md
index cc7fe3a..19db7b1 100644
--- a/README.md
+++ b/README.md
@@ -47,12 +47,6 @@ model.recognize('sample.wav')
 
 For full features and details, please refer to the following sections.
 
-### Online Demo
-There is also an online version available for allosaurus.
-You can try this at [https://www.dictate.app/phone](https://www.dictate.app/phone)
-
-![Online Demo](online_demo.png)
-
 ## Inference 
 The command line interface is as follows:
  
diff --git a/allosaurus/app.py b/allosaurus/app.py
index 248ee92..8a1a93f 100644
--- a/allosaurus/app.py
+++ b/allosaurus/app.py
@@ -54,6 +54,11 @@ def __init__(self, pm, am, lm, config):
         self.lm = lm
         self.config = config
 
+    def is_available(self, lang_id):
+        # check whether this lang id is available
+
+        return self.lm.inventory.is_available(lang_id)
+
     def recognize(self, filename, lang_id='ipa', topk=1, emit=1.0, timestamp=False):
         # recognize a single file
 
diff --git a/allosaurus/lm/inventory.py b/allosaurus/lm/inventory.py
index 4c57563..862eec6 100644
--- a/allosaurus/lm/inventory.py
+++ b/allosaurus/lm/inventory.py
@@ -37,6 +37,10 @@ def __init__(self, model_path, inference_config=None):
             self.lang2phonefile[iso_id.lower()] = phone_text
             self.lang2phonefile[glotto_id.lower()] = phone_text
 
+    def is_available(self, lang_id):
+
+        return lang_id in self.lang2phonefile
+
     def get_unit(self, lang_id):
         """
         load a unit specified by the lang_id
diff --git a/setup.py b/setup.py
index d5aa768..10ca0da 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
    name='allosaurus',
-   version='1.0.1',
+   version='1.0.2',
    description='a multilingual phone recognizer',
    author='Xinjian Li',
    author_email='xinjianl@cs.cmu.edu',