diff --git a/Example/IpfsLiteApi/XAppDelegate.m b/Example/IpfsLiteApi/XAppDelegate.m
index 5c19e1a..2b5ee2e 100644
--- a/Example/IpfsLiteApi/XAppDelegate.m
+++ b/Example/IpfsLiteApi/XAppDelegate.m
@@ -18,7 +18,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 //    NSString *documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
 //    NSString *repoPath = [documents stringByAppendingPathComponent:@"ipfs-lite"];
 //    NSError *error;
-//    [IpfsLiteApi launch:repoPath debug:false error:&error];
+//    [IpfsLiteApi launch:repoPath debug:false lowMem: true error:&error];
 //    if (error) {
 //        NSLog(@"error launching: %@", error.localizedDescription);
 //    }
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 9251cd8..f84fc3b 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -13,7 +13,7 @@ PODS:
     - BoringSSL-GRPC (= 0.0.5)
     - gRPC-Core/Interface (= 1.26.0)
   - gRPC-Core/Interface (1.26.0)
-  - grpc-ipfs-lite (0.1.2)
+  - grpc-ipfs-lite (0.1.4)
   - gRPC-ProtoRPC (1.26.0):
     - gRPC-ProtoRPC/Legacy (= 1.26.0)
     - gRPC-ProtoRPC/Legacy-Header (= 1.26.0)
@@ -45,7 +45,7 @@ PODS:
   - gRPC/Interface-Legacy (1.26.0):
     - gRPC-RxLibrary/Interface (= 1.26.0)
   - IpfsLiteApi (0.0.1-dev):
-    - grpc-ipfs-lite (= 0.1.2)
+    - grpc-ipfs-lite (= 0.1.4)
     - gRPC-ProtoRPC
     - Protobuf
   - Protobuf (3.11.2)
diff --git a/Example/Tests/Tests.m b/Example/Tests/Tests.m
index dbc617f..77c6ebf 100644
--- a/Example/Tests/Tests.m
+++ b/Example/Tests/Tests.m
@@ -14,7 +14,7 @@
         NSString *documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
         NSString *repoPath = [documents stringByAppendingPathComponent:@"ipfs-lite"];
         NSError *error;
-        BOOL success = [IpfsLiteApi launch:repoPath debug: false error:&error];
+        BOOL success = [IpfsLiteApi launch:repoPath debug:false lowMem:true error:&error];
         expect(success).beTruthy();
         expect(error).beNil();
     });
diff --git a/IpfsLiteApi/Classes/IpfsLiteApi.h b/IpfsLiteApi/Classes/IpfsLiteApi.h
index d5b1078..776d735 100644
--- a/IpfsLiteApi/Classes/IpfsLiteApi.h
+++ b/IpfsLiteApi/Classes/IpfsLiteApi.h
@@ -8,7 +8,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, strong) TTEIpfsLite *client;
 
-+ (BOOL)launch:(NSString *)datastorePath debug:(BOOL)debug error:(NSError **)error;
++ (BOOL)launch:(NSString *)datastorePath debug:(BOOL)debug lowMem:(BOOL)lowMem error:(NSError **)error;
 + (IpfsLiteApi *)instance;
 
 - (void)addFileFromInput:(NSInputStream *)input params:(TTEAddParams *)params completion:(void (^)(TTENode * _Nullable node, NSError * _Nullable error))completion;
diff --git a/IpfsLiteApi/Classes/IpfsLiteApi.m b/IpfsLiteApi/Classes/IpfsLiteApi.m
index 652273b..1bbfa0f 100644
--- a/IpfsLiteApi/Classes/IpfsLiteApi.m
+++ b/IpfsLiteApi/Classes/IpfsLiteApi.m
@@ -20,9 +20,9 @@ + (IpfsLiteApi *)instance {
     return instnace;
 }
 
-+ (BOOL)launch:(NSString *)datastorePath debug:(BOOL)debug error:(NSError **)error {
++ (BOOL)launch:(NSString *)datastorePath debug:(BOOL)debug lowMem:(BOOL)lowMem error:(NSError **)error {
     long port;
-    BOOL started = MobileStart(datastorePath, debug, &port, error);
+    BOOL started = MobileStart(datastorePath, debug, lowMem, &port, error);
     if (!started) {
         return started;
     }
diff --git a/README.md b/README.md
index cc00ae1..4a72368 100644
--- a/README.md
+++ b/README.md
@@ -20,13 +20,15 @@ IPFS Lite runs the minimal setup required to get and put IPLD DAGs on the IPFS n
 - [ios-ipfs-lite](#ios-ipfs-lite)
   - [Table of Contents](#table-of-contents)
   - [Background](#background)
+    - [IPFS-lite Libraries](#ipfs-lite-libraries)
   - [Roadmap](#roadmap)
   - [Install](#install)
   - [Usage](#usage)
     - [Initialize and start a Peer](#initialize-and-start-a-peer)
     - [Add data](#add-data)
     - [Add a file](#add-a-file)
-    - [Fetch a file by CID](#fetch-a-file-by-cid)
+    - [Fetch a file by CID to a NSOutputStream](#fetch-a-file-by-cid-to-a-nsoutputstream)
+    - [Fetch a node by CID](#fetch-a-node-by-cid)
   - [Maintainers](#maintainers)
   - [Contributing](#contributing)
   - [License](#license)
@@ -89,7 +91,7 @@ and run `pod install`
 NSString *documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
 NSString *repoPath = [documents stringByAppendingPathComponent:@"ipfs-lite"];
 NSError *error;
-BOOL success = [IpfsLiteApi launch:repoPath debug: false error:&error];
+BOOL success = [IpfsLiteApi launch:repoPath debug:false lowMem: true error:&error];
 ```
 
 ### Add data