diff --git a/package-lock.json b/package-lock.json
index 816a18b..e1ac0af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1815,6 +1815,12 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
       "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ=="
     },
+    "common-tags": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/common-tags/-/common-tags-1.8.0.tgz",
+      "integrity": "sha512-6P6g0uetGpW/sdyUy/iQQCbFF0kWVMSIVSyYz7Zgjcgh8mgw8PQzDNZeyZ5DQ2gM7LBoZPHmnjz8rUthkBG5tw==",
+      "dev": true
+    },
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -1870,6 +1876,16 @@
         }
       }
     },
+    "config-chain": {
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.12.tgz",
+      "integrity": "sha512-a1eOIcu8+7lUInge4Rpf/n4Krkf3Dd9lqhljRzII1/Zno/kRtUWnznPO3jOKBmTEktkt3fkxisUcivoj0ebzoA==",
+      "dev": true,
+      "requires": {
+        "ini": "^1.3.4",
+        "proto-list": "~1.2.1"
+      }
+    },
     "connect": {
       "version": "3.6.6",
       "resolved": "https://registry.npmjs.org/connect/-/connect-3.6.6.tgz",
@@ -2191,6 +2207,12 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "detect-indent": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-5.0.0.tgz",
+      "integrity": "sha1-OHHMCmoALow+Wzz38zYmRnXwa50=",
+      "dev": true
+    },
     "detect-libc": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
@@ -2222,6 +2244,12 @@
       "resolved": "https://registry.npmjs.org/dom-walk/-/dom-walk-0.1.1.tgz",
       "integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg="
     },
+    "dottie": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.1.tgz",
+      "integrity": "sha512-ch5OQgvGDK2u8pSZeSYAQaV/lczImd7pMJ7BcEPXmnFVjy4yJIzP6CsODJUTH8mg1tyH1Z2abOiuJO3DjZ/GBw==",
+      "dev": true
+    },
     "ecc-jsbn": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
@@ -2231,6 +2259,42 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "editorconfig": {
+      "version": "0.15.3",
+      "resolved": "https://registry.npmjs.org/editorconfig/-/editorconfig-0.15.3.tgz",
+      "integrity": "sha512-M9wIMFx96vq0R4F+gRpY3o2exzb8hEj/n9S8unZtHSvYjibBp/iMufSzvmOcV/laG0ZtuTVGtiJggPOSW2r93g==",
+      "dev": true,
+      "requires": {
+        "commander": "^2.19.0",
+        "lru-cache": "^4.1.5",
+        "semver": "^5.6.0",
+        "sigmund": "^1.0.1"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "4.1.5",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+          "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
+          "dev": true,
+          "requires": {
+            "pseudomap": "^1.0.2",
+            "yallist": "^2.1.2"
+          }
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        },
+        "yallist": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+          "dev": true
+        }
+      }
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -4273,6 +4337,24 @@
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
+    "jase": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/jase/-/jase-1.2.0.tgz",
+      "integrity": "sha1-Mm24FwXcmL/3A3zQmA/buTq+wDM=",
+      "dev": true,
+      "requires": {
+        "core-util-is": "^1.0.1",
+        "minimist": "^1.1.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "jest-haste-map": {
       "version": "24.0.0-alpha.6",
       "resolved": "https://registry.npmjs.org/jest-haste-map/-/jest-haste-map-24.0.0-alpha.6.tgz",
@@ -4305,6 +4387,45 @@
       "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.5.1.tgz",
       "integrity": "sha512-M7kLczedRMYX4L8Mdh4MzyAMM9O5osx+4FcOQuTvr3A9F2D9S5JXheN0ewNbrvK2UatkTRhL5ejGmGSjNMiZuw=="
     },
+    "js-beautify": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/js-beautify/-/js-beautify-1.9.1.tgz",
+      "integrity": "sha512-oxxvVZdOdUfzk8IOLBF2XUZvl2GoBEfA+b0of4u2EBY/46NlXasi8JdFvazA5lCrf9/lQhTjyVy2QCUW7iq0MQ==",
+      "dev": true,
+      "requires": {
+        "config-chain": "^1.1.12",
+        "editorconfig": "^0.15.2",
+        "glob": "^7.1.3",
+        "mkdirp": "~0.5.0",
+        "nopt": "~4.0.1"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.3",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
+          "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "nopt": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.1.tgz",
+          "integrity": "sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=",
+          "dev": true,
+          "requires": {
+            "abbrev": "1",
+            "osenv": "^0.1.4"
+          }
+        }
+      }
+    },
     "js-joda": {
       "version": "1.10.1",
       "resolved": "https://registry.npmjs.org/js-joda/-/js-joda-1.10.1.tgz",
@@ -4437,6 +4558,12 @@
         "invert-kv": "^1.0.0"
       }
     },
+    "left-pad": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/left-pad/-/left-pad-1.3.0.tgz",
+      "integrity": "sha512-XI5MPzVNApjAyhQzphX8BkmKsKUxD4LdyK24iZeQGinBN9yTQT3bFlCBy/aVx2HrNcqQGsdot8ghrjyrvMCoEA==",
+      "dev": true
+    },
     "levn": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
@@ -4495,6 +4622,12 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
     },
+    "lodash.flattendeep": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.flattendeep/-/lodash.flattendeep-4.4.0.tgz",
+      "integrity": "sha1-+wMJF/hqMTTlvJvsDWngAT3f7bI=",
+      "dev": true
+    },
     "lodash.get": {
       "version": "4.4.2",
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
@@ -4525,6 +4658,12 @@
       "resolved": "https://registry.npmjs.org/lodash.throttle/-/lodash.throttle-4.1.1.tgz",
       "integrity": "sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ="
     },
+    "lodash.uniq": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",
+      "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=",
+      "dev": true
+    },
     "loose-envify": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
@@ -5651,6 +5790,39 @@
         "p-limit": "^1.1.0"
       }
     },
+    "p-reflect": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/p-reflect/-/p-reflect-2.1.0.tgz",
+      "integrity": "sha512-paHV8NUz8zDHu5lhr/ngGWQiW067DK/+IbJ+RfZ4k+s8y4EKyYCz8pGYWjxCg35eHztpJAt+NUgvN4L+GCbPlg==",
+      "dev": true
+    },
+    "p-settle": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/p-settle/-/p-settle-3.1.0.tgz",
+      "integrity": "sha512-gkN3UDlyofG81IRhxLnonSIi8BBrwcPlKMJS6tcJRubofyekqQPMdB5LXPrmCkeu/m/YKx5PzkUVQLezda5/JQ==",
+      "dev": true,
+      "requires": {
+        "p-limit": "^2.2.0",
+        "p-reflect": "^2.0.0"
+      },
+      "dependencies": {
+        "p-limit": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.0.tgz",
+          "integrity": "sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==",
+          "dev": true,
+          "requires": {
+            "p-try": "^2.0.0"
+          }
+        },
+        "p-try": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+          "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
+          "dev": true
+        }
+      }
+    },
     "p-try": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
@@ -5748,6 +5920,12 @@
       "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
       "dev": true
     },
+    "pbxproj-dom": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/pbxproj-dom/-/pbxproj-dom-1.2.0.tgz",
+      "integrity": "sha512-K2czrWqA68AR0q1UXz5EBi/zoxcljrkO4RSJX0jPnVn3iyE0HYnYOzaEEDYMpueczkT/Vtdm3SCc3NM+12kMaQ==",
+      "dev": true
+    },
     "pegjs": {
       "version": "0.10.0",
       "resolved": "https://registry.npmjs.org/pegjs/-/pegjs-0.10.0.tgz",
@@ -5937,6 +6115,12 @@
         "react-is": "^16.8.1"
       }
     },
+    "proto-list": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/proto-list/-/proto-list-1.2.4.tgz",
+      "integrity": "sha1-IS1b/hMYMGpCD2QCuOJv85ZHqEk=",
+      "dev": true
+    },
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
@@ -6372,6 +6556,93 @@
         }
       }
     },
+    "react-native-version": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/react-native-version/-/react-native-version-3.1.0.tgz",
+      "integrity": "sha512-f8uX0I1SeRf8qinpUgFVYFnhAQdS+Sh2HktOKJq2ZLmJmZm8JE5DXWOFo+0tcog6qyOmZzr8MYLDhpBOO+imoQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.1",
+        "commander": "^2.9.0",
+        "common-tags": "^1.4.0",
+        "detect-indent": "^5.0.0",
+        "dottie": "^2.0.0",
+        "js-beautify": "^1.7.4",
+        "lodash.flattendeep": "^4.4.0",
+        "lodash.uniq": "^4.5.0",
+        "p-settle": "^3.0.0",
+        "pbxproj-dom": "^1.0.11",
+        "plist": "^3.0.1",
+        "resolve-from": "^5.0.0",
+        "semver": "^6.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "base64-js": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
+          "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
+          "dev": true
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "plist": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/plist/-/plist-3.0.1.tgz",
+          "integrity": "sha512-GpgvHHocGRyQm74b6FWEZZVRroHKE1I0/BTjAmySaohK+cUn+hZpbqXkc3KWgW3gQYkqcQej35FohcT0FRlkRQ==",
+          "dev": true,
+          "requires": {
+            "base64-js": "^1.2.3",
+            "xmlbuilder": "^9.0.7",
+            "xmldom": "0.1.x"
+          }
+        },
+        "resolve-from": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz",
+          "integrity": "sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==",
+          "dev": true
+        },
+        "semver": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.0.0.tgz",
+          "integrity": "sha512-0UewU+9rFapKFnlbirLi3byoOuhrSsli/z/ihNnvM24vgF+8sNBiI1LZPBSH9wJKUwaUbw+s3hToDLCXkrghrQ==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        },
+        "xmlbuilder": {
+          "version": "9.0.7",
+          "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
+          "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=",
+          "dev": true
+        }
+      }
+    },
     "react-proxy": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/react-proxy/-/react-proxy-1.1.8.tgz",
@@ -6430,6 +6701,12 @@
         }
       }
     },
+    "readline": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/readline/-/readline-1.3.0.tgz",
+      "integrity": "sha1-xYDXfvLPyHUrEySYBg3JeTp6wBw=",
+      "dev": true
+    },
     "realm": {
       "version": "2.26.1",
       "resolved": "https://registry.npmjs.org/realm/-/realm-2.26.1.tgz",
@@ -7169,6 +7446,12 @@
       "resolved": "https://registry.npmjs.org/shellwords/-/shellwords-0.1.1.tgz",
       "integrity": "sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww=="
     },
+    "sigmund": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
+      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
+      "dev": true
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
diff --git a/package.json b/package.json
index e095e92..2d8d55c 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,11 @@
     "test": "mocha --recursive --require @babel/register test && npm run lint",
     "test-watch": "mocha --recursive --require @babel/register --watch test",
     "lint": "eslint components lib test",
-    "devtool": "adb shell input keyevent 82"
+    "devtool": "adb shell input keyevent 82",
+    "update-version": "./tools/update-version.js",
+    "build-android-release": "cd android && ./gradlew assembleRelease && cd ..",
+    "commit-release": "./tools/commit-release",
+    "release": "npm run update-version && npm run build-android-release && npm run commit-release"
   },
   "dependencies": {
     "@ptomasroos/react-native-multi-slider": "^1.0.0",
@@ -51,8 +55,12 @@
     "dirty-chai": "^2.0.1",
     "eslint": "^5.16.0",
     "eslint-plugin-react": "^7.8.2",
+    "jase": "^1.2.0",
+    "left-pad": "^1.3.0",
     "metro-react-native-babel-preset": "^0.51.1",
-    "mocha": "^5.2.0"
+    "mocha": "^5.2.0",
+    "react-native-version": "^3.1.0",
+    "readline": "^1.3.0"
   },
   "description": "A menstrual cycle tracking app that's open-source and leaves your data on your phone. Use it to track your menstrual cycle or for fertility awareness!",
   "main": "index.js",
diff --git a/tools/commit-release b/tools/commit-release
new file mode 100755
index 0000000..4191119
--- /dev/null
+++ b/tools/commit-release
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+set -eEu -o pipefail
+shopt -s extdebug
+IFS=$'\n\t'
+trap 'onFailure $?' ERR
+
+function onFailure() {
+  echo "Unhandled script error $1 at ${BASH_SOURCE[0]}:${BASH_LINENO[0]}" >&2
+  exit 1
+}
+
+git add -A
+git commit -m "release: $(cat package.json | $(npm bin)/jase version)"
+git tag v$(cat package.json | $(npm bin)/jase version)