diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5d64756
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,56 @@
+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle
diff --git a/README.md b/README.md
index d850fae..ca7e7f8 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,8 @@ react-native link realm
 ```diff
 import {compose, applyMiddleware, createStore} from 'redux'
 import {persistStore, autoRehydrate} from 'redux-persist'
-+ import realmPersistInterface from 'redux-persist-realm'
++ import RealmPersistInterface from 'redux-persist-realm'
++ const storage = RealmPersistInterface.instance;
 
 // add `autoRehydrate` as an enhancer to your store (note: `autoRehydrate` is not a middleware)
 const store = createStore(
@@ -44,7 +45,7 @@ const store = createStore(
 )
 
 + const config = {
-+   storage: realmPersistInterface
++   storage
 + }
 
 // begin periodically persisting the store
@@ -53,4 +54,3 @@ const store = createStore(
 ```
 
 Don't hesitate to publish [Issues](https://github.com/Osedea/redux-persist-realm/issues) if you see something missing!
-
diff --git a/RealmPersistInterface.js b/RealmPersistInterface.js
index aed99c4..14f9f0a 100644
--- a/RealmPersistInterface.js
+++ b/RealmPersistInterface.js
@@ -1,91 +1,111 @@
 import Realm from 'realm';
 
-class RealmPersistInterface {
-    constructor() {
-        this.realm = new Realm({
-            schema: [{
-                name: 'Item',
-                primaryKey: 'name',
-                properties: {
-                    name: 'string',
-                    content: 'string',
-                },
-            }],
-        });
-
-        this.items = this.realm.objects('Item');
-    }
-
-    getItem = (key, callback) => {
-        try {
-            const matches = this.items.filtered(`name = "${key}"`);
-
-            if (matches.length > 0 && matches[0]) {
-                callback(null, matches[0].content);
-            } else {
-                throw new Error(`Could not get item with key: '${key}'`);
-            }
-        } catch (error) {
-            callback(error);
-        }
-    };
-
-    setItem = (key, value, callback) => {
-        try {
-            this.getItem(key, (error) => {
-                this.realm.write(() => {
-                    if (error) {
-                        this.realm.create(
-                            'Item',
-                            {
-                                name: key,
-                                content: value,
-                            }
-                        );
-                    } else {
-                        this.realm.create(
-                            'Item',
-                            {
-                                name: key,
-                                content: value,
-                            },
-                            true
-                        );
-                    }
-
-                    callback();
-                });
-            });
-        } catch (error) {
-            callback(error);
-        }
-    };
-
-    removeItem = (key, callback) => {
-        try {
-            this.realm.write(() => {
-                const item = this.items.filtered(`name = "${key}"`);
-
-                this.realm.delete(item);
-            });
-        } catch (error) {
-            callback(error);
-        }
-    };
-
-    getAllKeys = (callback) => {
-        try {
-            const keys = this.items.map(
-                (item) => item.name
-            );
-
-            callback(null, keys);
-        } catch (error) {
-            callback(error);
-        }
-    };
-}
+var Symbol = require('es6-symbol/polyfill');
+
+const singleton = Symbol();
+const singletonEnforcer = Symbol();
+
+export default class RealmPersistInterface {
+	constructor(enforcer) {
+		if (enforcer !== singletonEnforcer) {
+			throw new Error('Cannot construct singleton');
+		}
+
+		this._type = 'RealmPersistInterface';
+
+		this.realm = Realm.open({
+			path: 'redux.realm',
+			schema: [
+				{
+					name: 'Item',
+					primaryKey: 'name',
+					properties: {
+						name: 'string',
+						content: 'string'
+					}
+				}
+			]
+		});
+	}
+
+	static get instance() {
+		if (!this[singleton]) {
+			this[singleton] = new RealmPersistInterface(singletonEnforcer);
+		}
+
+		return this[singleton];
+	}
+
+	get type() {
+		return this._type;
+	}
+
+	async check() {
+		if (!this.items) {
+			this.realm = await this.realm;
+			this.items = this.realm.objects('Item');
+		}
+	}
 
-const singleton = new RealmPersistInterface();
+	async getItem(key) {
+		await this.check();
 
-export default singleton;
+		return new Promise((resolve, reject) => {
+			try {
+				const matches = this.items.filtered(`name = "${key}"`);
+
+				if (matches.length > 0 && matches[0]) {
+					resolve(matches[0].content);
+				} else {
+					reject(new Error(`Could not get item with key: '${key}'`));
+				}
+			} catch (error) {
+				reject(error);
+			}
+		});
+	};
+
+	async setItem(key, value) {
+		await this.check();
+
+		return new Promise((resolve, reject) => {
+			try {
+				this.realm.write(() => {
+					this.realm.create('Item', { name: key, content: value }, true);
+					resolve();
+				});
+			} catch (error) {
+				reject(error);
+			}
+		});
+	};
+
+	async removeItem(key) {
+		await this.check();
+
+		return new Promise((resolve, reject) => {
+			try {
+				this.realm.write(() => {
+					const item = this.items.filtered(`name = "${key}"`);
+					this.realm.delete(item);
+					resolve();
+				});
+			} catch (error) {
+				reject(error);
+			}
+		});
+	};
+
+	async getAllKeys() {
+		await this.check();
+
+		return new Promise((resolve, reject) => {
+			try {
+				const keys = this.items.map(item => item.name);
+				resolve(keys);
+			} catch (error) {
+				reject(error);
+			}
+		});
+	};
+}
diff --git a/package.json b/package.json
index d74259c..e227ea8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redux-persist-realm",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "A Realmjs interface for redux-persist",
   "main": "RealmPersistInterface.js",
   "scripts": {
@@ -23,8 +23,16 @@
     "url": "https://github.com/Osedea/redux-persist-realm/issues"
   },
   "homepage": "https://github.com/Osedea/redux-persist-realm#readme",
+  "dependencies": {
+    "es6-symbol": "^3.1.1" 
+  },
   "peerDependencies": {
-      "realm": "^1.8.3",
-      "redux-persist": "^4.0.0"
+    "realm": "2.x",
+    "redux-persist": "5.x"
+  },
+  "devDependencies": {
+    "realm": "^2.0.12",
+    "redux-persist": "^5.4.0",
+    "redux": "^3.7.2"
   }
 }